阅读说明：本技术 一种粉末起泡蛋糕乳化剂及其制备方法 (Powder foaming cake emulsifier and preparation method thereof ) 是由 苏子良 梁展韬 何松 于 2019-10-17 设计创作，主要内容包括：本发明涉及食品技术领域,具体涉及一种粉末起泡蛋糕乳化剂及其制备方法,该粉末起泡蛋糕乳化剂是以载体、乳化剂、无机盐和水为原料,由于采用了凝胶温度较高的颗粒载体,使载体能与乳化剂进行有效结合,形成协同作用,以提高产品的整体起泡性能；另外,无机盐能释放气体形成压力,有助于载体释放淀粉颗粒,增强载体承载能力的弱碱性盐结合下形成协同作用,使得载体的分解更好,进而使得所制得的粉末起泡蛋糕乳化剂具有颗粒体积小,溶解性和分散性,起泡能力好的优点。该粉末起泡蛋糕乳化剂的制备方法,通过乳化剂与载体的混合,再通过双螺旋挤压膨化机挤压制粉,不需要再进行粉碎即得到微米级小颗粒蛋糕乳化剂,提高了起泡速度和起泡能力。(The invention relates to the technical field of food, in particular to a powder foaming cake emulsifier and a preparation method thereof, wherein the powder foaming cake emulsifier takes a carrier, an emulsifier, inorganic salt and water as raw materials, and the carrier and the emulsifier can be effectively combined to form a synergistic effect due to the adoption of a particle carrier with higher gel temperature so as to improve the overall foaming performance of a product; in addition, the inorganic salt can release gas to form pressure, the carrier is facilitated to release starch particles, and the weak alkaline salt for enhancing the carrying capacity of the carrier is combined to form a synergistic effect, so that the carrier is decomposed better, and the prepared powder foaming cake emulsifier has the advantages of small particle size, good dissolubility and dispersibility and good foaming capacity. According to the preparation method of the powder foaming cake emulsifier, the emulsifier is mixed with the carrier, and then the mixture is extruded by a double-screw extrusion puffing machine to prepare powder, and the micron-sized small-particle cake emulsifier is obtained without crushing, so that the foaming speed and the foaming capacity are improved.)

1. A powder foaming cake emulsifier, which is characterized in that: the composite material comprises the following raw materials in parts by weight:

the carrier is one or a composition of more than two of vegetable powder, wheat, rye, barley, oat, high amylose starch, long-grained rice flour, cake flour or beta-cyclodextrin;

the emulsifier is one or a composition of more than two of glycerin monostearate, monoglyceride and diglyceride fatty acid esters, polyglycerol fatty acid esters, diglyceride, monoglyceride and diglyceride lactate, monoglyceride and diglyceride acetate, sodium stearyl lactate, monoglyceride and diglyceride citrate, mono-glyceride and diglyceride monoacetyl tartrate, monoglyceride and diglyceride tartrate, polysorbate, propylene glycol monoester, lecithin, diglyceride myristic acid partial ester or diglyceride lauric acid partial ester;

the inorganic salt is one or a composition of more than two of sodium carbonate, potassium carbonate, ammonium carbonate, calcium carbonate, magnesium carbonate, sodium bicarbonate, potassium bicarbonate, ammonium bicarbonate, sodium phosphate, sodium tripolyphosphate, sodium dihydrogen phosphate, sodium hydrogen polyphosphate, sodium hexametaphosphate, potassium phosphate, potassium polyphosphate, potassium hydrogen phosphate, potassium hydrogen polyphosphate, potassium hexametaphosphate or sodium aluminum phosphate.

2. The powder foaming cake emulsifier of claim 1, wherein: the composite material comprises the following raw materials in parts by weight:

3. the powder foaming cake emulsifier of claim 1, wherein: the composite material comprises the following raw materials in parts by weight:

4. the powder foaming cake emulsifier of claim 1, wherein: the vegetable powder is one or a composition of more than two of soybean powder, pea powder, rice powder, potato powder, corn powder or water chestnut powder.

5. The powder foaming cake emulsifier of claim 1, wherein: the saponification value of the diglycerol myristic acid partial ester is 135-140, and the saponification value of the diglycerol lauric acid partial ester is 135-140.

6. The powder foaming cake emulsifier of claim 1, wherein: in the carrier, the grain size of the high amylose starch or long-grained rice flour is 1-50 mu m, the gelling temperature is higher than 73 ℃, and the protein content is lower than 10%;

the acid molecule carbon element of the emulsifier is 13-16.5, and the polymerization degree is 2-7.

7. The method of preparing a powder foaming cake emulsifier of any one of claims 1 to 6, wherein: it comprises the following steps:

step one, heating and dissolving the emulsifier with the formula amount, and then adding the water with the formula amount to a screw rod in a double-screw extrusion bulking machine under the condition of keeping the emulsifier in a liquid state;

and step two, adding the inorganic salt with the formula amount into the carrier with the formula amount, adding the carrier from a feeding port of a double-screw extrusion puffing machine, conveying the carrier and the emulsifier through two screw rods, carrying out high-shear mixing, and further extruding to obtain the micron-sized powder foaming cake emulsifier.

8. The method of preparing a powder foaming cake emulsifier of claim 7, wherein: in the second step, the spiral rotating speed of the double-spiral extrusion puffing machine is 50 rpm-100 rpm;

the extrusion rotating speed of the double-helix extrusion puffing machine is 200 rpm-500 rpm.

9. The method of preparing a powder foaming cake emulsifier of claim 7, wherein: in the second step, the extrusion temperatures of the three sections of the double-screw extrusion puffing machine are respectively 40-45 ℃, 80-120 ℃ and 120-140 ℃.

10. The method of preparing a powder foaming cake emulsifier of claim 7, wherein: in the second step, the particle size of the prepared micron-sized powder foaming cake emulsifier is 50-300 microns.

Technical Field

The invention relates to the technical field of food, in particular to a powder foaming cake emulsifier and a preparation method thereof.

Background

At present, few companies produce powder foaming cake emulsifiers at home, the domestic market is dominated by products of two or three foreign companies, research documents about the powder foaming cake emulsifiers at home and abroad are few and few, and only 3-4 related patents at home lead to the fact that the production mode of the powder foaming cake emulsifiers is extremely single, the conception is extremely simple, the powder is obtained by crushing the final products, and the beating effect is not ideal.

Disclosure of Invention

The invention aims to provide a powder foaming cake emulsifier which has the advantages of small particle size, good dissolubility and dispersibility and good foaming capacity and overcomes the defects of the prior art.

The second purpose of the invention is to provide a preparation method of the powder foaming cake emulsifier aiming at the defects of the prior art, and the preparation method of the powder foaming cake emulsifier can obtain the micron-sized small-particle cake emulsifier without crushing.

In order to achieve one of the purposes, the invention adopts the following technical scheme:

the powder foaming cake emulsifier is provided and comprises the following raw materials in parts by weight:

the carrier is one or a composition of more than two of vegetable powder, wheat, rye, barley, oat, high amylose starch, long-grained rice flour, cake flour or beta-cyclodextrin;

the emulsifier is one or a composition of more than two of glycerin monostearate, monoglyceride and diglyceride fatty acid esters, polyglycerol fatty acid esters, diglyceride, monoglyceride and diglyceride lactate, monoglyceride and diglyceride acetate, sodium stearyl lactate, monoglyceride and diglyceride citrate, mono-glyceride and diglyceride monoacetyl tartrate, monoglyceride and diglyceride tartrate, polysorbate, propylene glycol monoester, lecithin, diglyceride myristic acid partial ester or diglyceride lauric acid partial ester;

the inorganic salt is one or a composition of more than two of sodium carbonate, potassium carbonate, ammonium carbonate, calcium carbonate, magnesium carbonate, sodium bicarbonate, potassium bicarbonate, ammonium bicarbonate, sodium phosphate, sodium tripolyphosphate, sodium dihydrogen phosphate, sodium hydrogen polyphosphate, sodium hexametaphosphate, potassium phosphate, potassium polyphosphate, potassium hydrogen phosphate, potassium hydrogen polyphosphate, potassium hexametaphosphate or sodium aluminum phosphate.

Preferably, the powder foaming cake emulsifier comprises the following raw materials in parts by weight:

more preferably, the powder foaming cake emulsifier comprises the following raw materials in parts by weight:

the vegetable powder is one or a composition of more than two of soybean powder, pea powder, rice powder, potato powder, corn powder or water chestnut powder.

The saponification value of the diglycerol myristic acid partial ester is 135-140, and the saponification value of the diglycerol lauric acid partial ester is 135-140.

In the carrier, the grain size of the high amylose starch or long-grained rice flour is 1-50 mu m, the gelling temperature is higher than 73 ℃, and the protein content is lower than 10%;

the acid molecule carbon element of the emulsifier is 13-16.5, and the polymerization degree is 2-7.

In order to achieve the second purpose, the invention adopts the following technical scheme:

a preparation method of a powder foaming cake emulsifier is provided, which comprises the following steps:

step one, heating and dissolving the emulsifier with the formula amount, and then adding the water with the formula amount to a screw rod in a double-screw extrusion bulking machine under the condition of keeping the emulsifier in a liquid state;

and step two, adding the inorganic salt with the formula amount into the carrier with the formula amount, adding the carrier from a feeding port of a double-screw extrusion puffing machine, conveying the carrier and the emulsifier through two screw rods, carrying out high-shear mixing, and further extruding to obtain the micron-sized powder foaming cake emulsifier.

In the above technical scheme, in the second step, the screw rotation speed of the double-screw extrusion puffing machine is 50rpm to 100 rpm;

the extrusion rotating speed of the double-helix extrusion puffing machine is 200 rpm-500 rpm.

In the above technical scheme, in the second step, the extrusion temperatures of the three sections of the double-screw extrusion-expansion machine are respectively 40-45 ℃, 80-120 ℃ and 120-140 ℃.

In the above technical scheme, in the second step, the particle size of the prepared micron-sized powder foaming cake emulsifier is 50-300 μm.

Compared with the prior art, the invention has the beneficial effects that:

(1) the powder foaming cake emulsifier provided by the invention takes a carrier, an emulsifier, inorganic salt and water as raw materials, and the carrier and the emulsifier can be effectively combined to form a synergistic effect due to the adoption of a particle carrier with higher gel temperature, so that the overall foaming performance of the product is improved; in addition, the inorganic salt can release gas to form pressure, the carrier is facilitated to release starch particles, and the weak alkaline salt for enhancing the carrying capacity of the carrier is combined to form a synergistic effect, so that the carrier is decomposed better, and the prepared powder foaming cake emulsifier has the advantages of small particle size, good dissolubility and dispersibility and good foaming capacity.

(2) According to the preparation method of the powder foaming cake emulsifier, the emulsifier and the carrier are mixed, and then the mixture is extruded and powdered through a double-screw extrusion puffing machine, and the micron-sized small-particle cake emulsifier is obtained without crushing, so that the emulsifier in the product has the largest possible surface area exposed in a water phase, the emulsifier is quickly hydrated in a short time and is converted into a high-activity crystal form, and the foaming speed is improved; meanwhile, the micron-sized small particles have emulsifying property, so that stable emulsion can be formed, and the foaming capacity is improved.

(3) The preparation method of the powder foaming cake emulsifier provided by the invention has the characteristics of simple preparation method, low production cost and suitability for large-scale production.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.