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Corn Yellow Pigment A Brief Introdction

Corn Yellow Pigment a brief introdction

Corn Yellow Pigment is yellow powder, paste and liquid or (in oil) yellow oily liquid, lower than 10 ℃ when the orange semi-solid paste.

This product is a set of nutrition, to improve the body's immune function, food coloring and other functions in one of the food additives, widely used in food, cosmetics, pharmaceuticals, environmental protection and other industries.

Medical

Corn Yellow Pigment is oil, above 10 ℃ when the blood red oil as liquid, 10 ℃ below the yellow semi-solidified oil, not easy to transport and processing, while changes in external environmental conditions on the corn Yellow Pigment have different degrees of damage , So the application of corn Yellow Pigment subject to certain restrictions. Microencapsulation technology is an effective way to solve this problem, you can maximize the preservation of the activity of the capsule material to reduce the impact of adverse factors, is a rapid development of high-tech. Cataract is the main cause of blindness in the elderly, there is no effective control of cataract drugs. Corn Yellow Pigment is a kind of natural pigments widely found in plants. Natural lutein is a hot spot in the prevention and delay of visual decline and cataract caused by senile macular degeneration. It is a hot spot in the study of international functional food composition.

Method

1. Preparation of solid corn Yellow Pigment

(1) Maize yellow pulp powder (from corn-yellow corn starch by-product) was extracted with hexane at 40 ° C for 2 h and the extract was concentrated to recover the solvent. The solution was vacuum distilled at 60 ° C thing;

(2) extracting the paste (1) with acetone twice, combining the supernatant, concentrating and recovering the solvent, and then distilling the concentrate with steam to evaporate the non-volatile oil;

(3) To the concentrated solution (2) by adding 0.1% of the material quality of lipase and 0.1% of the amylase, stirring and standing after the separation, remove the oil, starch and other impurities, and then at 60 ℃ will get the blood The red oily pigment is dried in vacuo to give the product as a yellow powder.

2. Preparation of liquid corn Yellow Pigment

(1) corn yub pulp (from the wet processing of corn corn starch in the yellow corn by-product) at 50 ° C with ethyl acetate extraction 1.5h, and concentrated extract recovery solvent, 60 ℃ below vacuum distillation Paste;

(2) extracting the paste (95) with the residue (1) twice, combining the supernatant, concentrating and recovering the solvent, and then evaporating the concentrate with steam to evaporate the volatile oil;

(3) To the concentrated solution (2) by adding 0.1% of the material quality of lipase and 0.1% of the amylase, stirring and standing after the separation, remove the oil, starch and other impurities, the blood red oil product is finished The.


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