CN116406703B - Yoghurt and preparation method thereof - Google Patents
Yoghurt and preparation method thereof Download PDFInfo
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- CN116406703B CN116406703B CN202111659262.5A CN202111659262A CN116406703B CN 116406703 B CN116406703 B CN 116406703B CN 202111659262 A CN202111659262 A CN 202111659262A CN 116406703 B CN116406703 B CN 116406703B
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- 235000013618 yogurt Nutrition 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 18
- 241000894006 Bacteria Species 0.000 claims abstract description 25
- 235000007688 Lycopersicon esculentum Nutrition 0.000 claims abstract description 25
- 230000002195 synergetic effect Effects 0.000 claims abstract description 20
- 235000015067 sauces Nutrition 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 16
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 claims abstract description 12
- 241000186000 Bifidobacterium Species 0.000 claims abstract description 8
- 241001465754 Metazoa Species 0.000 claims abstract description 4
- 229960003692 gamma aminobutyric acid Drugs 0.000 claims abstract 11
- 241000227653 Lycopersicon Species 0.000 claims abstract 7
- 239000007858 starting material Substances 0.000 claims description 23
- 238000000855 fermentation Methods 0.000 claims description 22
- 230000004151 fermentation Effects 0.000 claims description 22
- 239000001814 pectin Substances 0.000 claims description 18
- 229920001277 pectin Polymers 0.000 claims description 18
- 235000010987 pectin Nutrition 0.000 claims description 18
- 241000194020 Streptococcus thermophilus Species 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 235000015140 cultured milk Nutrition 0.000 claims description 11
- 235000003599 food sweetener Nutrition 0.000 claims description 9
- 235000020185 raw untreated milk Nutrition 0.000 claims description 9
- 235000020122 reconstituted milk Nutrition 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 9
- 239000003765 sweetening agent Substances 0.000 claims description 9
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical group [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 8
- 235000021552 granulated sugar Nutrition 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 235000013960 Lactobacillus bulgaricus Nutrition 0.000 claims description 7
- 229940004208 lactobacillus bulgaricus Drugs 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 4
- 235000004213 low-fat Nutrition 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 4
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000004220 glutamic acid Substances 0.000 claims description 3
- 235000013922 glutamic acid Nutrition 0.000 claims description 3
- 241000186672 Lactobacillus delbrueckii subsp. bulgaricus Species 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 10
- 241001608472 Bifidobacterium longum Species 0.000 abstract description 9
- 229940009291 bifidobacterium longum Drugs 0.000 abstract description 9
- 235000009508 confectionery Nutrition 0.000 abstract description 8
- 239000000796 flavoring agent Substances 0.000 abstract description 8
- 235000019634 flavors Nutrition 0.000 abstract description 8
- 241001134770 Bifidobacterium animalis Species 0.000 abstract description 7
- 241000186015 Bifidobacterium longum subsp. infantis Species 0.000 abstract description 7
- 229940118852 bifidobacterium animalis Drugs 0.000 abstract description 7
- 229940004120 bifidobacterium infantis Drugs 0.000 abstract description 7
- 239000003205 fragrance Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 235000013305 food Nutrition 0.000 abstract description 2
- 235000015193 tomato juice Nutrition 0.000 abstract description 2
- 240000003768 Solanum lycopersicum Species 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 9
- 238000009472 formulation Methods 0.000 description 8
- 244000199885 Lactobacillus bulgaricus Species 0.000 description 6
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 6
- 235000013923 monosodium glutamate Nutrition 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 5
- 208000019901 Anxiety disease Diseases 0.000 description 4
- 230000036506 anxiety Effects 0.000 description 4
- 235000013336 milk Nutrition 0.000 description 4
- 239000008267 milk Substances 0.000 description 4
- 210000004080 milk Anatomy 0.000 description 4
- 229940073490 sodium glutamate Drugs 0.000 description 4
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 241000186660 Lactobacillus Species 0.000 description 2
- 240000002605 Lactobacillus helveticus Species 0.000 description 2
- 235000013967 Lactobacillus helveticus Nutrition 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 244000057717 Streptococcus lactis Species 0.000 description 2
- 235000014897 Streptococcus lactis Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 229940039696 lactobacillus Drugs 0.000 description 2
- 229940054346 lactobacillus helveticus Drugs 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004223 monosodium glutamate Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000002407 ATP formation Effects 0.000 description 1
- WBZFUFAFFUEMEI-UHFFFAOYSA-M Acesulfame k Chemical compound [K+].CC1=CC(=O)[N-]S(=O)(=O)O1 WBZFUFAFFUEMEI-UHFFFAOYSA-M 0.000 description 1
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 239000004386 Erythritol Substances 0.000 description 1
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- 229930091371 Fructose Natural products 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- 240000000599 Lentinula edodes Species 0.000 description 1
- 235000001715 Lentinula edodes Nutrition 0.000 description 1
- 108010064851 Plant Proteins Proteins 0.000 description 1
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 239000004376 Sucralose Substances 0.000 description 1
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 1
- 235000010358 acesulfame potassium Nutrition 0.000 description 1
- 229960004998 acesulfame potassium Drugs 0.000 description 1
- 239000000619 acesulfame-K Substances 0.000 description 1
- 230000006518 acidic stress Effects 0.000 description 1
- 229940024606 amino acid Drugs 0.000 description 1
- 229940124277 aminobutyric acid Drugs 0.000 description 1
- 239000002249 anxiolytic agent Substances 0.000 description 1
- 230000000949 anxiolytic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000021001 fermented dairy product Nutrition 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 229960002737 fructose Drugs 0.000 description 1
- 229940049906 glutamate Drugs 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000019659 mouth feeling Nutrition 0.000 description 1
- 239000002858 neurotransmitter agent Substances 0.000 description 1
- 235000021118 plant-derived protein Nutrition 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 235000019408 sucralose Nutrition 0.000 description 1
- BAQAVOSOZGMPRM-QBMZZYIRSA-N sucralose Chemical compound O[C@@H]1[C@@H](O)[C@@H](Cl)[C@@H](CO)O[C@@H]1O[C@@]1(CCl)[C@@H](O)[C@H](O)[C@@H](CCl)O1 BAQAVOSOZGMPRM-QBMZZYIRSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
- A23C9/123—Fermented milk preparations; Treatment using microorganisms or enzymes using only microorganisms of the genus lactobacteriaceae; Yoghurt
- A23C9/1234—Fermented milk preparations; Treatment using microorganisms or enzymes using only microorganisms of the genus lactobacteriaceae; Yoghurt characterised by using a Lactobacillus sp. other than Lactobacillus Bulgaricus, including Bificlobacterium sp.
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING OR TREATMENT THEREOF
- A23C9/00—Milk preparations; Milk powder or milk powder preparations
- A23C9/12—Fermented milk preparations; Treatment using microorganisms or enzymes
- A23C9/13—Fermented milk preparations; Treatment using microorganisms or enzymes using additives
- A23C9/133—Fruit or vegetables
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Dairy Products (AREA)
Abstract
The invention relates to the field of foods, in particular to a yoghurt and a preparation method thereof. The raw materials of the yoghurt comprise a yoghurt base material, a GABA source substance and a GABA producing synergistic bacterium, wherein the GABA source substance is Xinjiang tomato sauce, and the GABA producing synergistic bacterium is a mixed bacterium of animal bifidobacteria, infant bifidobacteria and bifidobacterium longum. The Xinjiang tomato sauce is selected as the GABA source substance, and the Xinjiang tomato sauce and the GABA producing synergistic bacteria (bifidobacterium animalis, bifidobacterium infantis and bifidobacterium longum) act together to obtain the yoghurt, the GABA content in the yoghurt is more than or equal to 60mg/g, the yoghurt is effectively depressurized and helps to sleep, the fermented yoghurt is full in flavor, rich in fragrance, fresh, sweet and delicious, and the product is fresh, sweet and tasty, good in stability and unique in tomato juice sense within 8 months at normal temperature.
Description
Technical Field
The invention relates to the field of foods, in particular to a yoghurt and a preparation method thereof.
Background
The life rhythm of the modern society is accelerated, the life and working pressure is gradually increased, and development of the yoghurt capable of relieving the pressure/anxiety is certainly favored by consumers. Studies have shown that ingestion of GABA can reduce stress and anxiety, and studies have shown that oral administration of 100mg GABA for 60min significantly increases brain alpha waves and decreases beta waves compared to control groups, indicating that GABA can promote relaxation and reduce anxiety.
GABA is the major neurotransmitter in the mammalian central nervous system and acts primarily to suppress excitation. In lactic acid bacteria, the ability to produce and release GABA is related to acid stress, which allows microorganisms to enter the intestinal tract through the gastrointestinal tract, where they exert beneficial effects. In addition, the synthesis of aminobutyric acid is related to the production of ATP by coupling of an electrogenic antibody to glutamate decarboxylation. With the intensive research of GABA in recent years, GABA can be applied to the functional development of fermented dairy products as a lactobacillus fermentation product.
In the prior art, sodium glutamate or natural spice (such as lentinus edodes and the like) rich in sodium glutamate is added to produce GABA through lactobacillus fermentation, and then the prepared yoghurt has the effects of resisting anxiety or relieving insomnia. For example, CN110200070a discloses a yogurt rich in GABA and a preparation method thereof, wherein the GABA source substance is sodium glutamate, and although the GABA content in the product is up to 450mg/g, the GABA source substance is sodium glutamate, so-called monosodium glutamate, and the addition of monosodium glutamate in the yogurt is unacceptable to consumers. CN110463772 a discloses a yogurt with sleep-aiding and anxiolytic functions and a preparation method thereof, wherein GABA source substances are plant protein powder and mushroom dry powder, but the GABA content in the yogurt only reaches 6mg/g to be improved.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides yoghurt and a preparation method thereof. The tomato yoghourt for relieving the pressure is developed from the comprehensive angles of the delicious taste and the functions of the product, and the tomato yoghourt has natural and fresh flavor, sweet and full mouthfeel and excellent stability within the shelf life of 8 months.
Specifically, the invention provides the following technical scheme:
in one aspect, the invention provides a yogurt, which comprises a yogurt base material, GABA source substances and GABA producing synergistic bacteria, wherein the GABA source substances are Xinjiang tomato catsup, and the GABA producing synergistic bacteria are mixed bacteria of bifidobacterium animalis, bifidobacterium infantis and bifidobacterium longum.
According to the invention, the tomato catsup prepared from tomatoes in different producing areas has different flavor and taste and different glutamic acid content, wherein the glutamic acid content in the tomato catsup in the producing areas in Xinjiang is more than 3.0g/100g, and the tomato catsup is used as a GABA source substance, and can realize that the GABA content in the final yoghurt reaches 60mg/g by matching with fermentation strains and specific GABA producing synergistic bacteria, and the yoghurt has good flavor. Wherein the specific GABA producing synergistic bacteria are mixed bacteria of Bifidobacterium animalis, bifidobacterium infantis and Bifidobacterium longum.
In the prior art, one or more of streptococcus thermophilus, lactobacillus helveticus, lactobacillus bulgaricus, lactococcus lactis subspecies lactis and the like are generally adopted as fermentation strains, and meanwhile, the fermentation strains have the function of producing GABA (gamma-amino acid), for example, the strains in CN 110463772A are composite strains consisting of streptococcus thermophilus, lactobacillus bulgaricus and lactobacillus helveticus, and the strains in CN110200070A are composed of lactococcus lactis subspecies lactis and streptococcus thermophilus. According to the research of the invention, on the basis of an autonomous starter (the strain composition of the autonomous starter is lactobacillus bulgaricus and streptococcus thermophilus), the GABA-producing synergistic bacteria composed of the animal bifidobacterium, the infant bifidobacterium and the bifidobacterium longum are added, so that the metabolism of GABA can be improved, the fermentation flavor, the milk fragrance and the like of the product are enhanced, and the GABA in the prepared yoghurt is more than or equal to 60mg/g, so that the yogurt can be depressurized and sleep-aiding, and the product is rich and full in fermentation flavor and fresh and sweet in taste.
Further preferably, the mass ratio of the bifidobacterium animalis, the bifidobacterium infantis and the bifidobacterium longum is 1 (2-6): 2-4.
The yoghurt base material refers to raw materials required by common yoghurt preparation, and generally comprises raw milk and/or reconstituted milk, sweetener, starter, stabilizer and a proper amount of water.
In a specific embodiment of the invention, the raw materials comprise the following components in parts by weight: 66-88 parts of raw milk and/or reconstituted milk, 1.0-9.6 parts of sweetener, 3.6-8.8 parts of Xinjiang tomato sauce, 0.12-0.24 part of acidity regulator, 0.04-0.1 part of starter, 0.02-0.1 part of GABA producing synergistic bacteria and 0.25-0.8 part of stabilizer.
Wherein the sweetener is one or more of white granulated sugar, acesulfame potassium, erythritol, xylitol, fructose, sucralose and the like.
The acidity regulator is one or more of sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, sodium hydroxide, potassium hydroxide and the like. The purpose of the acidity regulator is to regulate the pH value of the tomato sauce to 6.6-6.8, and then the tomato sauce is added into raw milk and/or reconstituted milk, so that the problems of poor processing characteristics and poor stability of the product in the shelf life caused by protein denaturation are avoided.
Further, the starter is a starter MN01, which consists of 1 strain of lactobacillus bulgaricus and 2 strains of streptococcus thermophilus, and the preservation numbers are CGMCCNo.3818, CGMCCNo.3817 and CGMCCNo.3816 respectively; the stabilizer is pectin.
In the above technical scheme, the starter is preferably starter MN01, which is a starter independently developed by Mongolian cows, and consists of 1 strain of lactobacillus bulgaricus and 2 strains of streptococcus thermophilus, wherein the collection numbers are CGMCCNo.3818, CGMCCNo.3817 and CGMCCNo.3816 respectively, and the streptococcus thermophilus (marked as streptococcus thermophilus 002) with the collection number of CGMCCNo.3817 is a high-yield Extracellular Polysaccharide Strain (EPS) and has the functions of improving viscosity, smoothness, mouth feeling, product stability and the like of fermented milk. According to the invention, as the starter MN01 is selected as the starter for the yoghurt, the stabilizer in the product can achieve the purposes of sweet and refreshing taste, excellent stability and cleaning the label within the shelf life of 8 months only by using pectin.
Further preferably, the mass percentage of streptococcus thermophilus with the preservation number of CGMCC No.3817 in the starter culture MN01 is 25-35%.
The pectin consists of low-fat pectin and high-fat pectin in a mass ratio of 1:2-1:6.
Further, the sweetener is white granulated sugar, and the acidity regulator is sodium bicarbonate.
In a preferred embodiment of the invention, the raw materials of the yoghurt comprise the following components in parts by weight: 66-88 parts of raw milk and/or reconstituted milk, 7.6-9.0 parts of white granulated sugar, 4.5-6.5 parts of Xinjiang tomato sauce, 0.12-0.24 parts of sodium bicarbonate, 010.04-0.1 parts of starter MN, 0.04-0.06 parts of GABA producing synergistic bacteria and 0.35-0.65 parts of pectin.
The yoghourt prepared according to the formula has full taste, is fresh, sweet and tasty, is delicious, has GABA content of more than or equal to 60mg/g and can be stored for 8 months at normal temperature.
On the other hand, the invention also provides a preparation method of the yoghurt.
The preparation method provided by the invention comprises the following steps:
mixing raw milk and/or reconstituted milk with sweetener, xinjiang tomato sauce, acidity regulator, starter and synergistic bacteria producing GABA for fermentation to obtain fermented milk;
mixing the stabilizer with water, and mixing the obtained feed liquid with the fermented milk to obtain a mixed product.
Further, the fermentation temperature is 28-30℃and the time is 24-36 hours in order to accumulate more GABA.
Further, the mixing mass ratio of the feed liquid to the fermented milk is 7:3-8:2.
Further, the preparation method further comprises the following steps: and filling the mixed product, and then sterilizing.
In a preferred embodiment of the present invention, the method for preparing yogurt comprises the steps of:
(1) Sequentially homogenizing raw milk and/or reconstituted milk, sterilizing for one time, and cooling to obtain a cooled product;
(2) Performing first mixing treatment on the cooled product, sweetener, xinjiang tomato sauce, acidity regulator, starter and GABA producing synergistic bacteria, and performing fermentation treatment on the obtained first mixed feed liquid at the fermentation temperature of 28-30 ℃ for 24-36 hours to obtain fermented milk;
(3) Mixing stabilizer with water, and mixing the obtained feed liquid with the fermented milk according to a ratio of 7:3-8:2 to obtain a mixed product;
(4) And filling the mixed product, and then performing secondary sterilization treatment.
The invention has the following beneficial effects:
the invention provides a yogurt and a preparation method thereof, wherein Xinjiang tomato sauce is selected as GABA source substances, and the Xinjiang tomato sauce and GABA producing synergistic bacteria (bifidobacterium animalis, bifidobacterium infantis and bifidobacterium longum) are combined to act together, so that the GABA content in the obtained yogurt is more than or equal to 60mg/g, the yogurt can effectively reduce pressure and promote sleep, and the obtained yogurt is full in fermentation flavor, rich in fragrance, fresh, sweet and delicious, fresh, sweet and tasty, good in stability and unique in tomato juice sense, and can be stored at normal temperature for 8 months.
Detailed Description
The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
The reagents and equipment involved in the examples below are commercially available unless otherwise noted.
The methods described in the examples below, unless otherwise indicated, may be accomplished by methods conventional in the art.
The ferment MN01 (commercially available) consists of 1 strain of Lactobacillus bulgaricus and 2 strains of Streptococcus thermophilus, wherein the preservation numbers are CGMCC No.3818, CGMCC No.3817 and CGMCC No.3816 respectively, and the Streptococcus thermophilus with the preservation number of CGMCC No.3817 is named Streptococcus thermophilus 002.
Example 1
The embodiment provides a yoghurt, which comprises the following raw materials in percentage by weight:
milk 78%, white granulated sugar 8.5%, xinjiang tomato sauce 5%, sodium bicarbonate 0.15%, starter MN01 (Streptococcus thermophilus 002 at 30%) 0.06%, GABA producing synergistic bacteria (Bifidobacterium animalis, bifidobacterium infantis and Bifidobacterium longum=1:3:2), pectin (low-fat pectin: high-fat pectin=1:3) 0.45% and the balance water.
The embodiment also provides a preparation method of the yoghurt, which comprises the following steps:
(1) Sequentially homogenizing, sterilizing and cooling milk for one time to obtain a cooled product;
(2) Performing first mixing treatment on the cooling product, white granulated sugar, xinjiang tomato sauce, sodium bicarbonate, a starter MN01 and a GABA producing synergistic bacterium, and performing fermentation treatment on the obtained first mixed feed liquid, wherein the fermentation temperature is 28 ℃, and the fermentation time is 30 hours, so as to obtain fermented milk;
(3) Mixing pectin and water, and mixing the obtained feed liquid with the fermented milk according to a ratio of 7:3 to obtain a mixed product;
(4) And filling the mixed product, and then performing secondary sterilization treatment.
Examples 2 to 5
Examples 2-5 each provide a yoghurt whose raw material formulation (in weight percent) is shown in table 1, quantified to 100% with water, and prepared in the same way as example 1.
TABLE 1
Examples 6 to 9
Examples 6-9 each provide a yoghurt, the raw material formulation (in weight percent) of which is shown in Table 2, and the preparation method of which is the same as example 1.
TABLE 2
Examples 10 to 13
Examples 10-13 each provide a yoghurt, the raw material formulation (in weight percent) of which is shown in Table 3, and the preparation method of which is the same as example 1.
TABLE 3 Table 3
Examples 14 to 16
Examples 14-16 each provided a yoghurt whose raw material formulation (in weight percent) is shown in table 4 and whose preparation method differs from the fermentation conditions of example 1, in particular as shown in table 4.
TABLE 4 Table 4
Comparative examples 1 to 4
Comparative examples 1-4 each provide a yoghurt whose raw material formulation (in weight percent) is shown in table 5 and which was prepared in the same way as example 1.
TABLE 5
Comparative examples 5 to 8
Comparative examples 5-8 each provide a yoghurt whose raw material formulation (in weight percent) is shown in table 6 and which was prepared in the same way as example 1.
TABLE 6
Comparative examples 9 to 12
Comparative examples 9-12 each provide a yoghurt whose raw material formulation (in weight percent) is shown in table 7 and which was prepared in the same way as example 1.
TABLE 7
Comparative examples 13 to 16
Comparative examples 13-16 each provide a yoghurt whose raw material formulation (in weight percent) is shown in table 8 and whose preparation method differs from the fermentation conditions of example 1, in particular as shown in table 8.
TABLE 8
Comparative example 17
The comparative example provides a yoghurt, which comprises the following raw materials in percentage by weight:
milk 78%, white granulated sugar 7.6%, tomato sauce 5%, sodium bicarbonate 0.15%, starter MN01 (30% of streptococcus thermophilus 002), GABA producing synergistic bacteria (bifidobacterium animalis, bifidobacterium infantis and bifidobacterium longum=1:3:2) 0.04%, pectin (low-fat pectin: high-fat pectin=1:3) 0.45% and the balance water.
The preparation method is different from the fermentation conditions in the example 1, specifically, the fermentation temperature is 30 ℃ and the fermentation time is 36 hours.
Product evaluation
The yogurt obtained in each example and comparative example was evaluated, and the evaluation indexes include GABA content, rheological viscosity, pH value, stability, flavor and mouthfeel. The specific results are shown in the following table.
TABLE 9
While the invention has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.
Claims (6)
1. The yoghurt is characterized by comprising the following raw materials in parts by weight: 66-88 parts of raw milk and/or reconstituted milk, 1.0-9.6 parts of sweetener, 3.6-8.8 parts of Xinjiang tomato sauce, 0.12-0.24 part of acidity regulator, 0.04-0.1 part of starter, 0.02-0.1 part of GABA producing synergistic bacteria and 0.25-0.8 part of stabilizer; the GABA producing synergistic bacteria are mixed bacteria of animal bifidobacteria, infant bifidobacteria and longum, wherein the mass ratio of the animal bifidobacteria to the infant bifidobacteria to the longum is 1 (2-6): 2-4; the glutamic acid content in the Xinjiang tomato sauce is not lower than 3.0g/100g;
the starter is a starter MN01, which consists of 1 strain of lactobacillus bulgaricus and 2 strains of streptococcus thermophilus, and the preservation numbers are CGMCC No.3818, CGMCC No.3817 and CGMCC No.3816 respectively; wherein the mass percentage of streptococcus thermophilus with the preservation number of CGMCC No.3817 in the fermenting agent MN01 is 25-35%;
the stabilizing agent is pectin, and the pectin consists of low-fat pectin and high-fat pectin in a mass ratio of 1:2-1:6.
2. Yoghurt as claimed in claim 1, wherein the sweetener is white granulated sugar and the acidity regulator is sodium bicarbonate.
3. Yoghurt as claimed in claim 1, wherein the raw materials comprise the following components in parts by weight: 66-88 parts of raw milk and/or reconstituted milk, 7.6-9.0 parts of white granulated sugar, 4.5-6.5 parts of Xinjiang tomato sauce, 0.12-0.24 parts of sodium bicarbonate, 0.04-0.1 part of starter MN01, 0.04-0.06 part of GABA producing synergistic bacteria and 0.35-0.65 part of pectin.
4. A process for preparing yoghurt as claimed in any one of claims 1 to 3, which comprises:
mixing raw milk and/or reconstituted milk with sweetener, xinjiang tomato sauce, acidity regulator, starter and synergistic bacteria producing GABA for fermentation to obtain fermented milk;
mixing the stabilizer with water, and mixing the obtained feed liquid with the fermented milk.
5. The method for preparing yoghurt as claimed in claim 4, wherein the fermentation temperature is 28-30 ℃ and the time is 24-36 hours.
6. The method for preparing yoghurt as claimed in claim 4, wherein the mixing mass ratio of the feed liquid to the fermented milk is 7:3-8:2.
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KR20200145127A (en) * | 2019-06-20 | 2020-12-30 | 대한민국(농촌진흥청장) | Composition and method for yogurt with enhanced GABA using barley and yogurt produced by the same |
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KR20090123070A (en) * | 2008-05-27 | 2009-12-02 | (주)바이오벤 | Method for preparing Gaba-containing tomato fermented product using vegetable lactic acid bacteria having Gaba generating ability |
CN102047962A (en) * | 2009-10-30 | 2011-05-11 | 成都市龙泉驿龙东桃片厂 | Method for preparing yoghourt with tomato sauce |
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