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Silkworm chrysalis food base material as well as preparation method and application thereof

A silkworm chrysalis and food technology, applied to bacteria used in food preparation, food ingredients containing natural extracts, applications, etc., can solve problems such as incomplete utilization of chitin, improve gastrointestinal function, lower blood sugar gastrointestinal tract The effect of the function

Active Publication Date: 2018-09-14
SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a processing technology and its application for preparing healthy food base material by transforming silkworm chrysalis with microorganisms. This method aims at problems such as allergies and incomplete utilization of chitin in silkworm chrysalis food processing, and uses the whole silkworm chrysalis as a raw material. The nutrient composition characteristics of silkworm chrysalis, by selecting suitable microbial strains and optimizing the composition of its fermentation substrate and fermentation process, the raw materials of silkworm chrysalis are transformed by microorganisms, and the macromolecular protein and chitin in silkworm chrysalis are converted into small molecular hypoglycemic active peptides and chitosan oligosaccharide prebiotic functional food base, and apply it in functional food that assists in lowering blood sugar and regulating gastrointestinal flora

Method used

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  • Silkworm chrysalis food base material as well as preparation method and application thereof
  • Silkworm chrysalis food base material as well as preparation method and application thereof
  • Silkworm chrysalis food base material as well as preparation method and application thereof

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Effect test

Embodiment 1

[0031] Optimization of preparation technology of silkworm chrysalis food base material

[0032] 1. Optimization of Monascus fermentation process with high-yield chitinase using silkworm chrysalis as the main raw material

[0033] Under the same basal culture conditions (carbon source, nitrogen source and inorganic salts, etc.), the effect of adding colloidal chitin in silkworm chrysalis shell on the activity of chitinase produced by food-grade Monascus was compared, and it was found that the addition of colloidal chitin in silkworm chrysalis shell It can significantly improve the activity of chitinase produced by Monascus. On this basis, further taking the reducing sugar content in the fermentation product as the response value, the response surface test of silkworm chrysalis fermented by Monascus was carried out, and the optimal fermentation process conditions were determined as: 25% silkworm chrysalis puree, 1.2% silkworm chrysalis colloidal chitin Quality, 0.5% ammonium su...

Embodiment 2

[0054] A preparation method for silkworm chrysalis food base material, comprising the following steps:

[0055] (1) Preparation of fresh silkworm chrysalis homogenate. Select fresh silkworm chrysalis 4 days after cocooning, and remove diseased, deformed and dead pupae; during the homogenization process of silkworm chrysalis, a certain proportion of rosemary will be added to the silkworm chrysalis in order to prevent the oxidation of nutritional functional components such as silkworm chrysalis oil to the greatest extent. Fragrance and vitamin E mixture, rosemary oil solution is to weigh a certain amount of commercially available fat-soluble rosemary, with CO 2 The silkworm chrysalis oil prepared by the supercritical extraction equipment is dissolved and prepared into a rosemary oil solution with a content of 1%, and the rosemary oil solution is mixed with vitamin E in a ratio of 1:2 to obtain a mixture of rosemary and vitamin E; This rosemary and vitamin E mixture is added in ...

Embodiment 3

[0063] A preparation method for silkworm chrysalis food base material, comprising the following steps:

[0064] (1) Preparation of fresh silkworm chrysalis homogenate. Select fresh silkworm chrysalis 5 days after cocooning, and remove diseased, deformed and dead pupae; during the homogenization process of silkworm chrysalis, a certain proportion of rosemary will be added to silkworm chrysalis in order to prevent the oxidation of silkworm chrysalis oil and other nutritional functional components to the greatest extent. Fragrance and vitamin E mixture, rosemary oil solution is to weigh a certain amount of commercially available fat-soluble rosemary, with CO 2 The silkworm chrysalis oil prepared by the supercritical extraction equipment is dissolved and prepared into a rosemary oil solution with a content of 1%, and the rosemary oil solution is mixed with vitamin E in a ratio of 1:3 to obtain a mixture of rosemary and vitamin E; Add this rosemary and vitamin E mixture to fresh s...

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Abstract

The invention belongs to the field of food processing, and discloses a silkworm chrysalis food base material as well as a preparation method and application thereof. The preparation method comprises the following steps of (1) preparing fresh silkworm chrysalis homogenate: selecting fresh silkworm chrysalis, adding a mixture of rosemary and vitamin E, and performing treatment by a colloid mill, soas to obtain the fresh silkworm chrysalis homogenate; and (2) performing fermenting: sterilizing the obtained fresh silkworm chrysalis homogenate as a fermenting substrate, firstly, performing inoculating with monascus purpureus to perform first-stage fermenting, then performing inoculating with a mixed microbial strain of lactobacillus rhamnosus, saccharomyces cerevisiae and lactobacillus plantarum to perform second-stage fermenting to obtain fermented products, and performing vacuum drying on the fermented products, so as to obtain the silkworm chrysalis food base material. Through adoptionof the preparation method disclosed by the invention, the food base material which is rich in small molecule hypoglycemic active peptides, chitosan oligosaccharide prebiotics, chromium-enriched yeastand 1-deoxynojirimycin is obtained. The preparation method disclosed by the invention is free from organic solvents and simple in technology, and is an environmental-friendly technology; the productsare high in content of active ingredients; and the food base material prepared through the preparation method is used for preparing a functional food for assisting in reducing blood sugar and adjusting gastrointestinal bacterial flora.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a processing technology for preparing healthy food base materials by transforming silkworm chrysalis with microorganisms and an application thereof. Background technique [0002] In many areas of our country, silkworm chrysalis is a nutritious and nourishing food loved by consumers. It has multiple functions such as supplementing body nutrition, promoting growth and development, anti-fatigue, anti-aging, improving kidney function and improving human immune function. The only feed for silkworms is mulberry leaves. Compared with animal protein, silkworm chrysalis protein does not need to consume food, and its feed tree species do not compete with crops for land. In the case of relatively insufficient protein resources in today's society, it is used as a new protein Sources are getting a lot of attention. In 2004, silkworm chrysalis became the only insect food i...

Claims

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Application Information

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IPC IPC(8): A23L33/00
CPCA23L33/00A23V2002/00A23V2400/175A23V2400/169A23V2250/21A23V2200/3204A23V2200/328
Inventor 邹宇晓王卫飞胡腾根穆利霞李倩黎尔纳
Owner SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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