CN100507007C

CN100507007C - Production method of natural colored sugar

Info

Publication number: CN100507007C
Application number: CNB2006101236680A
Authority: CN
Inventors: 于淑娟; 朱思明
Original assignee: South China University of Technology SCUT
Current assignee: Guangdong Pulai Health Food Co ltd
Priority date: 2006-11-21
Filing date: 2006-11-21
Publication date: 2009-07-01
Anticipated expiration: 2026-11-21
Also published as: CN1962878A

Abstract

The invention discloses a manufacturing method of natural colored sugar, which comprises the following steps: extracting sugar; clearing sugar liquid; condensing; crystallizing; separating; adding calcium oxide and micro-dose flocculant in the composite cane liquid or beet exuded liquid; clarifying; separating to obtain the clear sugar juice; removing clean liquid water through multi-effect evaporating system; condensing the clean liquid into sugar juice; crystallizing to form different grain sizes and colors saccharose crystal; centrifuging; drying; packing.

Description

The production method of natural coloured sugar

Technical field

The present invention relates to the sugaring field, particularly relate to a kind of natural coloured sugar, comprise the sugar cube of various sugar material such as garden beet, sugarcane, starch production and the production method that liquid has sugar colour.

Background technology

The coloring matter that contains many complexity in the natural sugar material, its chemical ingredients comprise tens kinds.Original pigment in the sugar material, also generate considerable coloring matter in process of production, all follow dehydration condensation to generate multiple double bond containing macromole coloring matter as the decomposition of sugar, coking etc., particularly the aminocompound that generates with amino acid reaction etc. can make sugar products from colourless or light yellow redness or the brown of changing into.In order to make highly purified white sugar or refined sugar, sugar industry adopts various clarifications and decolouring means to obtain alap sugar products colour always.Decoloring method commonly used has three kinds: (1) is promptly by adding lime, phosphoric acid, flocculation agent, SO ₂Or CO ₂Precipitating action Deng chemical reagent; (2) adsorption of activated carbon; (3) ion exchange.Recent study shows, compounds such as poly-phenols of the natural pigment that contains in sugar such as sugarcane and the beet material and flavonoid have very strong anti-oxidant function to human body, and aminocompound that sugar and amino acid reaction generate and caramel etc. can increase the color, smell and taste of product simultaneously.Sugar industry is at present adopted precipitation these coloring matters to be separated with the complex flow of ion-exchange with absorption or precipitation usually according to the production requirement of different class sugar products and is removed.Because added a large amount of finingss in clarification and the decolorization, these finingss finally are discharged with the form of filter mud and waste water, have both caused environmental pollution, cause the loss of effective active composition in the sugar material again.

Summary of the invention

The objective of the invention is to overcome the shortcoming that prior art exists, provide that a kind of technology is simple, production cost is low, the natural colored sugared production method of economic environmental protection, resources effective utilization.

Purpose of the present invention is achieved through the following technical solutions:

A kind of production method of natural coloured sugar at first extracts syrup from sugarcane or beet, may further comprise the steps:

(1) in the syrup retort, adds No. 1 finings and No. 2 finingss and mix stirring, be heated to 55～105 ℃ of cohesion and precipitations of carrying out non-sugar, the precipitated absorption of non-sugar in the time of reaction;

(2) remove by filter throw out and obtain pellucid syrup, the syrup of pellucid syrup through evaporation concentration to 50～80Bx;

(3) syrup obtains the massecuite that concentration is 90～98Bx through crystallization;

(4) with massecuite with sugar centrifuge separation, washing, drying, obtain natural coloured sugar; Or directly solidify without separating, dry, break up and obtain natural coloured sugar;

Described No. 1 finings and No. 2 finingss are respectively nontoxic basic cpd and nontoxic aminocompound; The consumption of described No. 1 finings is that the consumption of 0.2～1.0%, No. 2 finingss of syrup solid substance is 20～40mg/kg syrup solid substance.

The described precipitation of step (1) refer to syrup by settling tank by the layering of proportion size; The described filtration of step (2) refers to syrup be consolidated-the liquid separation with vacuum filter or pressure filter; The described sugar centrifuge of step (4) is a whizzer; The screen cloth of described sugar centrifuge is convertible, and the aperture is 0.05～5.0mm; The purity of described massecuite and color are adjustable, and the colour of commerieal sugar is 1000～10000IU.

Compared with prior art, the present invention has following advantage and effect: (1) technology is simple, sugar total recovery height, sugar products natural nutrient component, nourishing function and local flavor; (2) production cost is low, and starting material and energy consumption are few; (3) pollution is little, and three waste discharge is few, and environment protecting is good, has high economic benefit and social benefit.

Embodiment

The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.

Embodiment 1

Extract sugarcane juice with the squeezing machine crushing sugar cane, in syrup, add polypropylene acyl ammonia to the calcium oxide of syrup solid substance 0.2% and 25mg/kg syrup solid substance and mix and stir, be heated to 70 ℃, absorption and precipitate non-sugar under the synergy of two kinds of finingss;

Mix syrup and filter through plate-and-frame filter press, the gained filtered juice concentrates through triple effect falling film evaporation jar, gets the syrup of 60Bx, and the syrup after concentrating is sent into crystallizer boiling massecuite 3 hours, obtains the massecuite of concentration greater than 93Bx.Separate sucrose crystal in the massecuite with sugar centrifuge, obtained sugar colour and molasses through washing, drying then, the purity of product is greater than 98.5%, colour 2500～3500IU.

Embodiment 2

Beet slicing is extracted syrup through diffuser, in syrup, add calcium oxide to beet 1.8% and mix and stir, be heated to 85 ℃, absorption and precipitate non-sugar under its synergy; Add grey syrup and filter through tubular filter, the gained filtered juice is concentrated into the syrup of 62Bx through quadruple effect rough vacuum evaporating pot, and the syrup after concentrating is sent into crystallizer boiling massecuite 2.5 hours, obtains the massecuite of concentration greater than 95Bx.Separate sucrose crystal in the massecuite with discontinuous centrifuge, after washing, drying obtain coloured granulated sugar and molasses, the purity of product is greater than 99.5%, colour 2000～2500IU.

Embodiment 3

Extract sugarcane juice with the squeezing machine crushing sugar cane, in syrup, add the sodium bicarbonate of syrup solid substance 0.5% or aluminium hydroxide mixed and stir, be heated to 80 ℃, absorption and precipitate non-sugar under the synergy of two kinds of finingss;

Mixing syrup filters through vacuum suction filter, gained is crossed filtered juice is concentrated into 67Bx through five effect rough vacuum evaporating pots syrup, syrup after concentrating is sent into crystallizer boiling massecuite 1.5 hours, obtain concentration and put into the sugared case of storage greater than the massecuite of 97Bx, hurried cooled and solidified, drying, evenly smash with making sugared machine, the purity of product is greater than 96%, colour 300～5000IU.

Embodiment 4

Raw sugar is dissolved into the syrup of 62Bx, in syrup, adds calcium hydroxide to syrup solid substance 0.8% and mix and stir, be heated to 86 ℃ of absorption and precipitate non-sugar under its synergy;

Mix syrup and filter through pressure filter, the gained cleaner liquid is concentrated into the syrup of 80Bx again through ultrafiltration membrance filter through triple effect falling film evaporation jar, be cooled to 40 ℃ after can.The natural colored syrupy purity of gained is greater than 96.5%, colour 4000～6000IU.

Claims

1, a kind of production method of natural colored sugar product, at first extract sugar juice from sugarcane or sugar beet, it is characterized in that also comprising the following steps:

(1) Add No. 1 clarifying agent and No. 2 clarifying agent into the sugar juice reaction tank, mix and stir, heat to 55-105°C for coagulation and precipitation of non-sugar, and the non-sugar is precipitated and adsorbed during the reaction;

(2) filter and remove the precipitate to obtain the clear sugar solution, and concentrate the clear sugar solution to 50-80Bx syrup through evaporation;

(3) The syrup is crystallized to obtain a massecuite with a concentration of 90-98Bx;

(4) Separating, washing and drying the massecuite with a honey separator to obtain natural colored sugar; or directly coagulating, drying and dispersing without separation to obtain natural colored sugar;

The No. 1 clarifying agent and No. 2 clarifying agent are respectively non-toxic alkaline compounds and non-toxic amino compounds; It is 20-40mg/kg sugar juice solids.

2. The production method of natural colored sugar products according to claim 1, characterized in that: the precipitation in step (1) means that the sugar juice is layered according to the specific gravity through the sedimentation tank.

3. The production method of natural colored sugar according to claim 1 or 2, characterized in that: the filtering in step (2) refers to the solid-liquid separation of the sugar juice with a vacuum filter or a filter press or a membrane separation device. separate.

4. The method for producing natural colored sugar products according to claim 3, characterized in that: the honey separator in step (4) is a centrifuge, and the disintegrating device is a sugar beating machine.

5. The method for producing natural colored sugar products according to claim 4, characterized in that: the screen of the honey separator is changeable, and the aperture is 0.05-5.0mm.

6. The production method of natural colored sugar according to claim 5, characterized in that the purity and color of the massecuite are adjustable, and the color value of the finished sugar is 1000-10000 IU.