Method for preparing cornel marc insoluble dietary fibers

A technology for soluble dietary fiber and cornus, which is applied in the directions of food preparation, food science, application, etc., can solve the problems of a production method of dietary fiber without cornus pomace, and achieves the effects of low production cost and simple operation.

Inactive Publication Date: 2011-10-05
NORTHWEST A & F UNIV
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Problems solved by technology

According to the data search done by the applicant, there is no production method of dogwood pomace as dietary fiber

Method used

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  • Method for preparing cornel marc insoluble dietary fibers
  • Method for preparing cornel marc insoluble dietary fibers
  • Method for preparing cornel marc insoluble dietary fibers

Examples

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Embodiment Construction

[0056]This example gives the fruit pomace after the fruit juice is squeezed as raw material, adopts chemical method to prepare dogwood fruit pomace insoluble dietary fiber, this method selects the process route through the pre-test, and utilizes the star point design-response surface method to optimize the process conditions, Alkali concentration, liquid-to-solid ratio, and processing temperature are used as independent variables, and product weight, product insoluble dietary fiber content and comprehensive index of product swelling are used as dependent variables. The fitting equation results showed that the quadratic regression equation was superior to the linear equation and the cubic equation, and the prediction model was established with the quadratic regression equation. The results showed that the optimal reaction conditions were: the alkali concentration was 0.4214 mol / L, the liquid-solid ratio was 19.643 mL / g, and the treatment temperature was 63.37°C for two hours. Th...

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Abstract

The invention discloses a method for preparing cornel marc insoluble dietary fibers. In the method, the marcs obtained after the cornels are juiced are used as a raw material, the chemical method is adopted as the extraction process, the process route is selected by pre-tests, and the central composite design-response surface method is adopted to optimize the process conditions. The method disclosed by the invention is low in cost and easy in operation; and the product prepared by the method is light yellow powder and free of peculiar smell, and is obviously better than the raw marc in aspects of chemical composition and functional characteristics.

Description

technical field [0001] The invention relates to a preparation of dietary fiber, in particular to a preparation method of dogwood pomace insoluble dietary fiber. Background technique [0002] Dietary fiber is an important component of human health diet, which can be divided into two parts: soluble dietary fiber (SDF) and insoluble dietary fiber (IDF). Among them, IDF mainly includes carbohydrates such as cellulose, hemicellulose and lignin that cannot be hydrolyzed by human digestive enzymes. It is widely found in vegetables and food crops, and can prevent or reduce constipation after absorbing water in the intestinal tract. [1] . Foods rich in dietary fiber are metabolized slowly in the human body, and the nutrients in the food are slowly absorbed by the body. This slow digestion process increases the volume of human feces excreted, which is beneficial to reduce the risk of colon cancer [2-4] . Experiments have shown that cereal IDF can reduce the risk of diabetes [5] . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/212A23L1/308A23L19/00
Inventor 任战军邵宜添张存莉曹莹莉
Owner NORTHWEST A & F UNIV
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