JP2023074064A - Powdery emulsion composition - Google Patents

Abstract

Kind Code: A1 The present invention provides an emulsified liquid obtained in a manufacturing process with good emulsion stability even when a glycerol succinic acid ester as a main component is contained in a large amount, and after pulverization, it has good water dispersibility and dispersibility in water. An object of the present invention is to provide a powdery emulsified composition which is excellent in emulsification stability when mixed and has good powder quality.
A powdery emulsified composition containing 30 to 60% by mass of fatty acid ester of glycerin succinate and 2 to 70% by mass of sodium starch octenylsuccinate.
[Selection figure] None

Description

The present invention relates to powdery emulsion compositions.

Glycerol succinate fatty acid ester, which is a kind of food emulsifier, is applied to various foods by utilizing its effect on proteins. For example, in bakery products such as bread, it is used for the purpose of improving quality such as improving dough extensibility and mechanical resistance, increasing volume, and improving texture by utilizing the effect on wheat gluten. In beverage products, it is also used for the purpose of suppressing aggregation and precipitation of proteins that occur in beverages containing milk components.

As described above, glycerol succinate fatty acid esters are applied to various foods, but they themselves are difficult to disperse or dissolve in water, and are added to foods in the form of formulations containing glycerol succinate fatty acid esters as main ingredients. It is often done. Examples of such formulations include liquid or paste formulations such as those obtained by dissolving glycerol succinic acid fatty acid ester in fats and oils, or emulsified fats and oils emulsified by further blending water-soluble components. It has a problem of poor stability. In addition, as powder type preparations, (a) glycerol succinate fatty acid ester itself is sprayed and cooled, and this is mixed with a dispersing agent into powder, (b) glycerol succinate fatty acid ester, powdered base material, etc. There are formulations of the type obtained by spray-drying an emulsion containing However, the powder-type preparation of (a) above is obtained by simply adjusting the content of the glycerol succinate fatty acid ester by powder-mixing the glycerol succinate fatty acid ester and a dispersing agent, and the powder of (b) above is Type formulations have problems such as separation at the emulsion stage and coarse powder and poor dispersibility in water after spray drying, even if an attempt is made to increase the content of glycerin succinate fatty acid ester as the main component. ing. As the powder type preparation of (b) above, there are powdered fats and oils that are further blended with fats and oils. , Glycerin succinic acid ester as a main component and high content.
Therefore, there is a demand for a powdery emulsified composition that contains a large amount of glycerin succinic acid ester as a main component, has good powder quality, and is excellent in water dispersibility.

Techniques for powdery compositions containing glycerin succinic acid esters include, for example, (A) one selected from the group consisting of glycerin fatty acid esters, sucrose fatty acid esters, sorbitan fatty acid esters, propylene glycol fatty acid esters, and lecithin. or 20 to 80% by weight of two or more paste-like or liquid emulsifiers at room temperature, and (B) (a) starch or a hydrolyzate thereof and an organic acid glycerin fatty acid ester (weight ratio 100: 0.1 to 50), and/or (b) a powder emulsifier characterized by containing 80 to 20% by weight of a powdering agent comprising an emulsifying starch derivative or a hydrolyzate thereof (Patent Document 1), (A) sucrose fatty acid ester, monoglycerin Dispersion containing one or more emulsifiers selected from the group consisting of fatty acid monoesters, organic acid monoglycerides and lecithins, and (B) one or more excipients selected from the group consisting of saccharides and protein hydrolysates. Batter modifier obtained by spray drying (Patent Document 2), (A) edible fat and / or oil-soluble emulsifier, (B) hydrophilic emulsifier, and (C) sugar and / or starch decomposition product A modifier for wheat processed food or starch processed food obtained by spray-drying the oil-in-water emulsion containing the agent, and the median diameter of the particle size distribution of the liquid obtained by emulsifying and dispersing in water is 5 to 120 μm. Modifiers for wheat processed foods or starch processed foods (Patent Document 3), etc. can be mentioned.

However, in these patent documents, there are specific details such as whether it is possible to produce a powdery composition containing a high content of glycerol succinic acid fatty acid ester as a main component, and whether the powder quality and water dispersibility are good. Since there is no description, there is a demand for a technique related to a powdery composition that has good powder quality and excellent water dispersibility even if it contains a high content of glycerin succinic acid fatty acid ester as a main component.

JP-A-6-245719 JP-A-2002-65193 JP-A-2000-316504

In the present invention, even if the glycerol succinate fatty acid ester is used as a main component and has a high content, the emulsion obtained in the production process has good emulsion stability, and after pulverization, the water dispersibility and the stability when dispersed in water. An object of the present invention is to provide a powdery emulsion composition having excellent emulsion stability and good powder quality.

As a result of intensive studies on the above problems, the present inventors found that the above problems can be solved by a powdery emulsified composition containing predetermined amounts of glycerin succinate fatty acid ester and sodium starch octenyl succinate. Based on this knowledge, the present invention was completed.

That is, the present invention
(1) A powdery emulsified composition containing 30 to 60% by mass of glycerol succinic fatty acid ester and 2 to 70% by mass of starch sodium octenylsuccinate,
(2) Production of the powdery emulsified composition according to (1), comprising the step of obtaining an emulsion containing glycerol succinic acid fatty acid ester, sodium starch octenyl succinate and water, and the step of drying and pulverizing the emulsion. Method,
consists of

The powdery emulsion composition of the present invention has good emulsion stability of the emulsion obtained in the production process even when the glycerin succinate fatty acid ester is used as the main component and has a high content. Excellent emulsification stability when dispersed in water, and good powder quality.

The glycerin succinic acid fatty acid ester used in the present invention is a compound in which at least one succinic acid and at least one fatty acid are ester-bonded to any of the hydroxy groups of glycerin, and usually glycerin mono fatty acid ester and succinic anhydride (or acid), reaction of glycerin, succinic acid and fatty acid, etc., by a method known per se.

As a method for producing the glycerin succinic acid fatty acid ester used in the present invention, for example, glycerin mono fatty acid ester and succinic anhydride are added to a reaction vessel equipped with a stirrer, a heating jacket, a baffle plate, etc., and glycerin mono fatty acid ester and anhydrous The mass ratio of succinic acid (glycerin monofatty acid ester/succinic anhydride) is preferably charged at 90/10 to 70/30, an alkali catalyst is added as necessary, preferably at a temperature of 90 to 130 ° C., The esterification reaction is preferably carried out by heating for 10 to 180 minutes. Examples of alkaline catalysts include potassium hydroxide, sodium hydroxide, potassium carbonate, sodium carbonate and the like. Furthermore, during the reaction, the inside of the reaction vessel may be replaced with an inert gas in order to prevent the reaction product from coloring and odoring.

Fatty acids constituting the glycerol succinate fatty acid ester used in the present invention are not particularly limited as long as they are derived from edible animal and vegetable oils and fats. Examples include saturated fatty acids and unsaturated fatty acids having 6 to 24 carbon atoms. be able to. Examples of saturated fatty acids having 6 to 24 carbon atoms include caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid and lignoceric acid. Examples of unsaturated fatty acids having 6 to 24 carbon atoms include palmitoleic acid, oleic acid, elaidic acid, linoleic acid, γ-linolenic acid, α-linolenic acid, arachidonic acid, ricinoleic acid, and condensed ricinoleic acid. can. Among these, saturated or unsaturated fatty acids having 16 to 18 carbon atoms are preferred, and saturated fatty acids having 16 to 18 carbon atoms are more preferred. The glycerin succinic acid fatty acid ester may contain only one of these fatty acids as a constituent fatty acid, or may contain any two or more of these fatty acids as a constituent fatty acid.

Glycerin succinic acid esters, for example, Poem B-10 (trade name; manufactured by Riken Vitamin Co., Ltd.), Poem B-30 (trade name; manufactured by Riken Vitamin Co., Ltd.), etc. are commercially manufactured and sold. These can be used in the invention.

The sodium starch octenylsuccinate used in the present invention is a modified starch obtained by esterifying starch with octenylsuccinic anhydride. Examples of starch used as a raw material for sodium starch octenylsuccinate include potato starch, sweet potato starch, corn starch, wheat starch, rice starch, tapioca starch, and the like.

The starch sodium octenylsuccinate used in the present invention is a starch octenylsuccinate having a viscosity of 10 to 200 mPa s as measured by a Brookfield viscometer in a 15% by mass aqueous solution at 30°C (hereinafter referred to as a 15% by mass aqueous solution viscosity). Sodium is preferred. The 15% by mass aqueous solution viscosity of sodium starch octenylsuccinate can be measured using a Brookfield viscometer (model: TVB10; manufactured by Toki Sangyo Co., Ltd.) under measurement conditions of a product temperature of 30° C. and a rotation speed of 60 rpm. The rotor to be used is M1 rotor (rotor No. 20) when the viscosity of the sample is less than 100 mPa s, and M2 rotor (rotor No. 21) when it is 100 mPa s to 500 mPa s. can be done.
In the present invention, starch sodium octenyl succinate can be used alone or in combination of any two or more.

As starch sodium octenylsuccinate, for example, N-creamer 46 (trade name; 15% by mass aqueous solution viscosity 130 mPa s; manufactured by Ingredion), Purity Gum BE (trade name; 15% by mass aqueous solution viscosity 25 mPa s; Ingredion company), Purity Gum 2000 (trade name; 15% by mass aqueous solution viscosity: 17 mPa s; manufactured by Ingredion), Emulstar 500 (trade name; 15% by mass aqueous solution viscosity: 28 mPa s; manufactured by Matsutani Chemical Industry Co., Ltd.), etc. are commercially manufactured and sold, and these can be used in the present invention.

The powdery emulsion composition of the present invention is obtained by emulsifying an oil phase containing fatty acid ester of glycerin succinate and the like and an aqueous phase containing starch sodium octenylsuccinate and the like, and drying and pulverizing the emulsion. . In addition, granular form is included in powder form. Regarding the size of the particles of the powdery emulsified composition of the present invention, the proportion of particles that pass through a sieve with an opening of 701 μm (24 mesh) is preferably 70% by mass or more, more preferably 80% by mass, in terms of powder quality and water dispersibility. % or more is more preferable. The water content in the powdery emulsion composition of the present invention is preferably 5% by mass or less, more preferably 3% by mass or less. The water content can be measured, for example, by a normal pressure heat drying method (drying at 105° C. for 3 to 5 hours).

The powdery emulsion composition of the present invention contains a large amount of glycerin succinic acid ester as a main component. High glycerol succinate fatty acid ester content means that the powdery emulsified composition of the present invention contains 30 to 60% by mass of glycerol succinate fatty acid ester, preferably 30 to 50% by mass. The sodium starch octenyl succinate contained in the powdery emulsion composition of the present invention is 2 to 70% by mass, preferably 5 to 50% by mass, more preferably 5 to 30% by mass.

The powdery emulsified composition of the present invention may contain any component as long as the effects of the present invention are not impaired. Examples of such components include oils and fats, powdered base materials, citrates, phosphates, antioxidants, coloring agents, and emulsifiers other than glycerol succinic acid esters.

Examples of fats and oils include vegetable fats and oils, animal fats and oils, processed fats and oils, and medium-chain fatty acid triglycerides. Vegetable oils include soybean oil, rapeseed oil, cottonseed oil, safflower oil, sunflower oil, rice oil, corn oil, coconut oil, palm oil, palm kernel oil, peanut oil, olive oil, sesame oil, high oleic rapeseed oil, and high oleic safflower. oils, high oleic corn oil, high oleic sunflower oil, and the like. Animal fats and oils include lard, beef tallow, fish oil, milk fat, butter and the like. Processed oils and fats refer to vegetable oils and animal oils and fats that have been subjected to fractionation, hydrogenation, transesterification, etc. Examples include hardened palm oil, hardened coconut oil, hardened soybean oil, hardened rapeseed oil, etc.; Fractionated oils and fats such as fractionated oils and fats, coconut fractionated oils and fats, soybean fractionated oils and fats, and rapeseed fractionated oils and fats can be mentioned. Examples of medium-chain fatty acid triglycerides include caproic acid triglyceride, caprylic acid triglyceride, capric acid triglyceride, and lauric acid triglyceride.

When fats and oils are contained in the powdery emulsion composition of the present invention, the fats and oils are preferably 5 to 25% by mass, more preferably 5 to 15% by mass. The fat or oil contained in the powdery emulsified composition of the present invention is preferably 15 to 30 parts by mass, more preferably 20 to 25 parts by mass, per 100 parts by mass of the glycerin succinic acid ester.

Powdered base materials include starch, dextrin, sugars, sugar alcohols, stabilizers, proteins and the like. Examples of starch include potato starch, sweet potato starch, corn starch, wheat starch, rice starch, tapioca starch, and the like. Examples include modified starches (excluding starch sodium octenylsuccinate) subjected to cross-linking treatment, heat treatment, pregelatinization treatment, pulverization treatment, enzyme treatment, and the like.

Examples of dextrin include maltodextrin, powdered candy, branched dextrin, cyclic dextrin, and indigestible dextrin.

Sugars include glucose, fructose, sucrose, granulated sugar, lactose, maltose, trehalose, palatinose, xylose and the like. Examples of sugar alcohols include sorbitol, maltitol, erythritol, and xylitol. Stabilizers include agar, gelatin, pectin, carrageenan, curdlan, mannan, alginic acid, alginates, polysaccharides, soy polysaccharides, cellulose, xanthan gum, locust bean gum, guar gum, tamarind gum, tara gum, tragacanth gum, gellan gum, arabic. Gums and the like can be mentioned.

Examples of proteins include milk proteins such as sodium caseinate, soybean proteins, pea proteins, wheat proteins, and rice proteins. Examples of citrates include trisodium citrate and the like. Phosphates include sodium metaphosphate, sodium pyrophosphate, sodium polyphosphate and the like. Antioxidants include tocopherol, L-ascorbic acid, L-ascorbate, L-ascorbic acid fatty acid ester, tea extract, bayberry extract, rosemary extract and the like. Examples of coloring agents include β-carotene, gardenia pigments, and safflower pigments.

When the powdery emulsion composition of the present invention contains a powdered base material, the powdered base material is preferably 5 to 65% by mass, more preferably 7 to 60% by mass.

Emulsifiers other than glycerin succinic acid ester include glycerin mono fatty acid ester, glycerin di-fatty acid ester, glycerin acetic acid fatty acid ester, glycerin lactic acid fatty acid ester, glycerin citric acid fatty acid ester, glycerin diacetyl tartaric acid ester, polyglycerin fatty acid ester, polyglycerin. Examples include glycerin fatty acid esters such as condensed ricinoleic acid esters, sorbitan fatty acid esters, sucrose fatty acid esters, propylene glycol fatty acid esters, polyoxyethylene sorbitan fatty acid esters, lecithin and the like.

The method for producing the powdery emulsion composition of the present invention comprises the steps of obtaining an emulsion containing glycerin succinate fatty acid ester, starch sodium octenyl succinate and water, and drying and pulverizing the emulsion.

The step of obtaining an emulsion containing glycerol succinic acid fatty acid ester, sodium starch octenyl succinate, and water is performed, for example, by melting glycerol succinic acid fatty acid ester preferably at 70 to 85 ° C. to form an oil phase, adding sodium starch octenyl succinate and water. are mixed and dissolved preferably at 65 to 75° C. to form an aqueous phase. When the glycerol succinate fatty acid ester is melted, it is preferably mixed with an oil-soluble component such as an emulsifier other than fats and glycerol succinate fatty acid ester and then melted. When dissolving starch sodium octenylsuccinate in water, it may be dissolved by mixing with water-soluble components such as starch, dextrin, sugars, sugar alcohols, stabilizers and proteins. Next, while stirring the aqueous phase, the oil phase is added and emulsified using an emulsifier or the like to obtain an emulsion. As the emulsifying machine, a high-speed rotary dispersing/emulsifying machine such as TK Homomixer (trade name; manufactured by Primix) and Clearmix (trade name; manufactured by M Technic) can be used. As the stirring conditions, the rotation speed is preferably 3000 to 10000 rpm, more preferably 6000 to 8000 rpm, the stirring time is preferably 5 to 20 minutes, more preferably 5 to 10 minutes, and the stirring temperature is 65 to 75°C. preferable. Further, the emulsion obtained by stirring can be further homogenized using a high-pressure homogenizer. The pressure during homogenization is preferably 15-25 MPa. The mass ratio of the oil phase to the water phase (oil phase/water phase) during emulsification is preferably 1/8 to 1/2, more preferably 1/6 to 1/4.

The glycerol succinate fatty acid ester contained in the emulsion thus obtained is preferably 10 to 30% by mass, more preferably 15 to 25% by mass. The sodium starch octenyl succinate contained in the emulsion is preferably 0.5 to 20% by mass, more preferably 3 to 15% by mass. Water contained in the emulsion is preferably 55 to 80% by mass, more preferably 60 to 70% by mass. The average particle size of the oil phase contained in the emulsion is preferably 15 μm or less, more preferably 10 μm or less, in terms of the emulsion stability of the emulsion, the water dispersibility after pulverization, and the emulsion stability when dispersed in water. It is more preferable, and 5 μm or less is even more preferable. The average particle size was measured by using a wet particle size distribution meter (laser diffraction/scattering particle size distribution measuring device model: LA-950; manufactured by HORIBA, Ltd.), and an emulsified liquid at 70°C was dispersed in deionized water at room temperature. It is possible to measure the particle size distribution on a volume basis in the state and calculate the average value.

For the step of drying and pulverizing the emulsified liquid, a method known per se can be adopted. After drying by the method of , there can be mentioned a method of physically pulverizing using compression crushing, shearing coarse crushing, impact crushing, etc. Among them, a method of spray drying the emulsion to powder is preferred. The apparatus for spray-drying the emulsified liquid is not particularly limited, and an injection-type spray-drying apparatus, a rotating disc-type spray-drying apparatus, or the like can be used. As for the spray drying conditions, for example, the emulsified liquid is sprayed into an apparatus at 120 to 200°C.

The powdery emulsion composition of the present invention thus obtained is excellent in water dispersibility and emulsion stability when dispersed in water, and has good powder quality. The average particle size of the oil phase contained in the dispersion obtained by dispersing the powdery emulsion composition of the present invention in water is preferably 25 μm or less, more preferably 10 μm or less, and even more preferably 5 μm or less. The average particle size can be calculated in the same manner as the average particle size of the oil phase contained in the emulsified liquid.

The powdery emulsion composition of the present invention has a high content of glycerin succinic acid ester as a main component, is excellent in water dispersibility and emulsion stability when dispersed in water, and has good powder quality. Fatty acid esters can act more efficiently on food ingredients, thereby improving the quality of food. There are no particular restrictions on the intended use, and for example, it can be used in breads, sweets, noodles, boiled rice, beverages, premixes, and the like. Examples of bread include white bread, sweet bread, Danish pastries, pastries, croissants, brioche, and French bread. Confectionery includes candy, gummies, chocolate, cookies, biscuits, cakes, pancakes, castella, baumkuchen, donuts, snacks, rice crackers, ice cream, and the like. Noodles include Chinese noodles, udon, soba, somen, pasta, dumpling skins, spring roll skins, etc. In addition to raw noodles, boiled noodles, steamed noodles, instant noodles, refrigerated noodles, frozen noodles, etc. It also includes ready-made noodles. Cooked rice includes cooked rice, pilaf, dry curry, risotto, fried rice and the like. Beverages include tea beverages, coffee beverages, milk beverages, lactic acid bacteria beverages, and the like. Premixes refer to foods in which some of the ingredients are premixed, and include premixes for bread, premixes for cakes, premixes for pancakes, premixes for ice cream, premixes for noodles, premixes for batter, etc. can be mentioned.

The method of using the powdery emulsified composition of the present invention is not particularly limited, and includes a method of adding it directly in the food production process, a method of adding it to other powdery raw materials in advance, a method of adding it after dispersing it in water, etc. can be mentioned. The amount of the powdery emulsified composition of the present invention used is contained in the powdery emulsified composition of the present invention with respect to 100 parts by mass of wheat flour, for example, in the case of foods made from wheat flour such as bread, cakes and noodles. It is preferable to add 0.05 to 1.0 parts by mass of glycerin succinic acid fatty acid ester. In the case of beverages such as tea beverages, coffee beverages, milk beverages, etc., which are made from milk components, the amount of glycerin succinic acid fatty acid ester contained in the powdery emulsion composition of the present invention is 0.005 to 0.005. It is preferable to add so that it becomes 3% by mass.

EXAMPLES The present invention will be specifically described below with reference to Examples, but the present invention is not limited to these.

[Preparation of emulsion]
(1) Raw materials 1) Glycerin succinic fatty acid ester (trade name: Poem B-30; manufactured by Riken Vitamin Co., Ltd.)
2) Sodium starch octenylsuccinate A (trade name: N-creamer 46; 15% by mass aqueous solution viscosity 130 mPa s; manufactured by Ingredion)
3) Sodium starch octenylsuccinate B (trade name: Purity Gum BE; 15% by mass aqueous solution viscosity: 25 mPa s; manufactured by Ingredion)
4) Gum arabic (trade name: Creogum #4810; manufactured by Willy Benecke GmbH)
5) sodium caseinate (trade name: Emulac NA; manufactured by Meggle)
6) Hardened palm oil (trade name: extremely hardened palm oil; manufactured by Yokozeki Oil Industry Co., Ltd.)
7) Dextrin (trade name: Paindex #2; manufactured by Matsutani Chemical Industry Co., Ltd.)
8) water

(2) Method for preparing emulsified liquid Each raw material [parts by mass (g)] described in the aqueous phase in Table 1 was put into a 1 L stainless steel beaker, and stirred and dissolved at 70 ° C. for 10 minutes to obtain an aqueous phase. . Next, each raw material [parts by mass (g)] described in the oil phase in Table 1 was put into a 100 mL beaker, and stirred and melted at 85° C. for 10 minutes to obtain an oil phase. The obtained aqueous phase is stirred at a rotation speed of 6000 rpm using TK Homomixer (trade name; manufactured by Primix Co., Ltd.), and after all the oil phase is added to the aqueous phase, emulsification is performed at a rotation speed of 8000 rpm for 10 minutes while maintaining the temperature at 70 ° C. Emulsions 1 to 6 were obtained. Emulsions 7 to 9 could not be emulsified due to gelation and separation.

(3) Measurement of the average particle size of the oil phase contained in the emulsion Except for emulsions 7 to 9 in which the emulsion gelled and separated, each of emulsions 1 to 6 was subjected to a wet particle size distribution analyzer (model: LA -950; manufactured by Horiba, Ltd.), the average particle size (μm) of the oil phase was measured in a state in which the emulsified liquid at 70° C. immediately after emulsification was dispersed in deionized water at room temperature. Table 1 shows the results.

As shown in Table 1, comparing emulsions 1 to 3 and 5 containing 30 parts by mass of glycerol succinate fatty acid ester, emulsions 1 to 3 containing starch sodium octenyl succinate in the water phase have Arabica in the water phase. The average particle size of the oil phase was smaller than that of Emulsion 5 containing gum, and the emulsification stability of the emulsion was good. Comparing emulsions 4 and 6 containing 50 parts by mass of glycerin succinate fatty acid ester, emulsion 4 containing starch sodium octenyl succinate in the water phase is more effective than emulsion 6 containing gum arabic in the water phase. The average particle size of the oil phase was small, and the emulsification stability of the emulsion was good. In addition, emulsions 7 and 8 containing sodium caseinate in the water phase and emulsion 9 containing only dextrin in the water phase were gelled and separated, so that emulsions could not be prepared. .

[Preparation of powdery emulsion composition]
(1) Method for producing powdery emulsion composition (Examples 1 to 4, Comparative Examples 1 and 2)
Using a spray dryer (model: L-8i; manufactured by Okawara Kakoki Co., Ltd.), the inlet temperature in the device is set to 180 ° C., and the emulsions 1 to 6 are spray-dried with a two-fluid nozzle to emulsify. The water mixed in the preparation of the liquid was evaporated to obtain powdery emulsified compositions A to F. Also, the water content (% by mass) of the powdery emulsion compositions A to F was measured. Table 2 shows the mass % and water content (mass %) of each raw material blended in the powdery emulsion compositions A to F.

In addition, in order to confirm the size of the particles of the powdery emulsion compositions A to F, each was passed through a sieve with an opening of 701 μm (24 mesh), and the ratio of the particles that passed was calculated. For A to F, the above proportions were 82% by mass, 88% by mass, 89% by mass, 86% by mass, 80% by mass and 59% by mass, respectively.

(2) Water dispersibility evaluation of powdery emulsion composition For each of powdery emulsion compositions A to F, 0.5 g of any one of powdery emulsion compositions A to F is added to 200 g of water at room temperature, and stirred for 1 minute. The resulting dispersion was visually evaluated for water dispersibility based on the following evaluation criteria and symbolized. "⊚" and "◯" were defined as satisfying the effects of the present invention. Table 3 shows the results.
<Evaluation Criteria>
◎: No undissolved residue is seen, water compatibility is fairly good ○: Almost no undissolved residue is seen, water compatibility is good △: Undissolved residue is seen, water compatibility is poor ×: A lot of undissolved residue is seen, water very unfamiliar

(3) Emulsion stability evaluation when the powdery emulsion composition is dispersed in water For each of the dispersions of the powdery emulsion compositions A to F obtained in the water dispersibility evaluation of the powdery emulsion composition, the wet Using a particle size distribution meter (model: LA-950; manufactured by Horiba Ltd.), the average particle size (μm) of the oil phase was measured in a state in which the normal temperature dispersion was dispersed in normal temperature deionized water. Table 3 shows the results.

(4) Evaluation of Powder Quality of Powdery Emulsified Composition For each of the powdery emulsion compositions A to F, the powdery quality was visually evaluated based on the following evaluation criteria and symbolized. "⊚" and "◯" were defined as satisfying the effects of the present invention. Table 3 shows the results.
<Evaluation Criteria>
◎: Fluidity is high and fairly smooth powder quality ○: Fluidity is smooth and smooth powder quality △: Fluidity is slightly low and rough powder quality ×: Fluidity is low and quite Rough powder

As shown in Table 3, the powdery emulsified compositions A to D containing starch sodium octenylsuccinate were excellent in water dispersibility and powder quality. On the other hand, powdery emulsified compositions E and F containing gum arabic were poor in water dispersibility and powder quality. In addition, comparing powdery emulsion compositions A to C and E containing 30% by mass of glycerol succinate fatty acid ester, powdery emulsion compositions A to C containing sodium starch octenyl succinate contain gum arabic. The average particle size when dispersed in water was smaller than that of the powdery emulsion composition E prepared above, and the emulsion stability when dispersed in water was good. Comparing the powdery emulsion compositions D and F containing 50% by mass of glycerin succinic acid ester, the powdery emulsion composition D containing sodium starch octenylsuccinate is the powdery emulsion composition containing gum arabic. The average particle size when dispersed in water was smaller than that of F, and the emulsification stability when dispersed in water was good.

Claims (2)

A powdery emulsified composition containing 30 to 60% by mass of fatty acid ester of glycerin succinate and 2 to 70% by mass of sodium starch octenylsuccinate. 2. The method for producing a powdery emulsion composition according to claim 1, comprising the steps of obtaining an emulsion containing glycerol succinic fatty acid ester, sodium starch octenyl succinate and water, and drying and pulverizing the emulsion.