Preparation method of starch-C18 fatty acid compound
A compound and fatty acid technology, applied in food science, function and application of food ingredients, etc., can solve the problems of loss of function and easy to be oxidized, and achieve the effect of controlling obesity, not easy to decompose, and low cost.
Examples
Embodiment 1
[0020] A kind of preparation method of starch-stearic acid compound, concrete steps are as follows:
[0021] 1. Purification of starch
[0022] High amylose cornstarch containing 70% straight chain is dissolved in dimethyl sulfoxide solution with water volume concentration fraction of 90%, and then precipitated in absolute ethanol to obtain pure starch.
[0023] 2. Formation of starch-stearic acid complex
[0024] Dissolve 500 g of the purified starch obtained in step 1) in 0.1 mol / L NaOH, add 1.0 mol / L HCL to adjust the pH to 7; the starch solution is autoclaved at 121 °C for 20 min, and then cooled to 50 °C; 12.5 The mg / ml stearic acid solution was dissolved in ethanol with a volume concentration fraction of 95%, slowly added to the starch solution cooled to 50°C, and then vigorously stirred at room temperature with a rotation speed of 1200rpm and a stirring time of 24h; after the reaction, The mixture was further stirred at room temperature at a rotational speed of 1200 r...
Embodiment 2
[0028] A kind of preparation method of starch-alpha-linolenic acid complex, concrete steps are as follows:
[0029] 1. Purification of starch
[0030] High amylose cornstarch containing 70% straight chain is dissolved in dimethyl sulfoxide solution with water volume concentration fraction of 90%, and then precipitated in absolute ethanol to obtain pure starch.
[0031] 2. Formation of starch-α-linolenic acid complex
[0032] Dissolve 500 g of purified starch obtained in step 1) in 0.1 mol / L NaOH by vortexing, and add 1.0 mol / L HCL to adjust the pH to 7; the starch solution is autoclaved at 121 °C for 20 min, and then cooled to 70 °C; 12.5 The mg / ml α-linolenic acid solution was dissolved in ethanol with a volume concentration fraction of 95%, slowly added to the starch solution cooled to 70°C, and then vigorously stirred at room temperature with a rotation speed of 1200rpm and a stirring time of 24h; after the reaction, The mixture was further stirred at room temperature at ...
Embodiment 3
[0036] A kind of preparation method of starch-oleic acid complex, concrete steps are as follows:
[0037] 1. Purification of starch
[0038] High amylose cornstarch containing 70% straight chain is dissolved in dimethyl sulfoxide solution with water volume concentration fraction of 90%, and then precipitated in absolute ethanol to obtain pure starch.
[0039] 2. Formation of starch-oleic acid complex
[0040] Dissolve 500 g of purified starch obtained in step 1) in 0.1 mol / L NaOH by vortexing, and add 1.0 mol / L HCL to adjust the pH to 6; the starch solution is autoclaved at 121 °C for 20 min, and then cooled to 90 °C; 12.5 The mg / ml oleic acid solution was dissolved in ethanol with a volume concentration fraction of 95%, slowly added to the starch solution cooled to 90°C, and then vigorously stirred at room temperature with a rotation speed of 1200rpm and a stirring time of 24h; after the reaction, the The mixture was stirred again at room temperature at a rotational speed o...
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Description
Claims
Application Information
- IPC
- A23L33/00
- CPC
- A23V2002/00; A23V2200/30; A23V2200/328; A23V2200/332; A23V2200/308
- Inventors
- 李坚斌; 刘培华