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Composite impregnated cellulose-based aerogel solid and preparation method thereof

A cellulose aerogel, cellulose technology, used in fiber raw material processing, food science, food ingredients containing natural extracts, etc., can solve the problem of inconvenient storage, low stability, easy exposure to light, heat, moisture, etc To achieve the effect of delaying the occurrence of feed mildew, reducing the degree of feed mildew and reducing costs

Active Publication Date: 2020-10-23
上海邦成生物工程有限公司
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Problems solved by technology

In practical application, antifungal additives for Chinese herbal feed still have the following deficiencies: 1) their own stability is not high, and in the application process, they are easily affected by light, heat, moisture, etc., and are not convenient for storage; 2) the slow release effect is not obvious, 3) There are many varieties of Chinese herbal medicines, how to use suitable raw materials and preparation techniques, while obtaining excellent anti-mold effects, reduce raw materials and manufacturing costs, and improve cost performance still needs continuous in-depth research
However, the roots of broken rice sedge are rich in unique total alkaloids, which have antibacterial effects. How to turn waste into treasures with low cost and abundant sources of broken rice sedge is worthy of attention and research, and how to ensure its own stability At the same time, it has a slow-release effect and finally obtains a reasonable anti-mildew and anti-bacterial effect, which is the difficulty of preparation

Method used

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  • Composite impregnated cellulose-based aerogel solid and preparation method thereof
  • Composite impregnated cellulose-based aerogel solid and preparation method thereof
  • Composite impregnated cellulose-based aerogel solid and preparation method thereof

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Effect test

Embodiment

[0037] Preparation of Composite Impregnated Cellulose-Based Airgel Solids

[0038] 1. Extraction of cellulose from the root of crushed Misha grass

[0039] 1) Pretreatment: cutting, drying, pulverizing and sieving the washed crushed rice sedge root to obtain 50 μm crushed rice sedge root powder;

[0040] 2) Acidification pretreatment: according to the solid-to-liquid ratio of 1:30, 0.1 mol / L oxalic acid solution was used to soak the root powder of crushed Misedge at 35°C for 60 minutes, and dried after suction filtration to obtain the first intermediate product;

[0041] 3) Alkaline leaching: according to the solid-to-liquid ratio of 1:15, use 0.2mol / L sodium hydroxide solution to extract the first intermediate product at 90°C for 80 minutes, and dry it after suction filtration to obtain the second intermediate product;

[0042] 4) Purification treatment: according to the solid-to-liquid ratio of 1:10, use 0.2mol / L sodium hypochlorite solution to treat the second intermediate...

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Abstract

The invention relates to a composite impregnated cellulose-based aerogel solid and a preparation method thereof. The solid is prepared from the following components in parts by weight: 100 parts of cyperus iria root cellulose aerogel microporous powder and 80-350 parts of pyrus xerophila young leaf extract, wherein the average particle size of the cyperus iria root cellulose aerogel microporous powder is not more than 0.72 [mu]m, and the volume ratio of micropores is not less than 75%. According to the composite impregnated cellulose-based aerogel solid disclosed by the embodiment of the invention, the mildewing time of a feed can be delayed, and the mildewing degree of the feed can be reduced; and compared with the prior art, the cost is remarkably reduced, and the mould-proof effect is equivalent, so that the chemical mould inhibitor and the composite mould inhibitor are effectively replaced, and the solid is green and non-toxic.

Description

technical field [0001] The invention belongs to the technical field of feed, and in particular relates to a composite impregnated cellulose-based airgel solid and a preparation method thereof. Background technique [0002] Feed antifungal agent is a commonly used feed additive, which is used to inhibit the production of mold and toxins, prevent the loss of nutrients in feed during storage, slow down the mildew of feed, and prolong the storage time of feed. Existing feed anti-mold additives mainly include chemical anti-mold agents, composite anti-mold agents, and Chinese herbal anti-mold agents. Chemical antifungal agents mainly include propionic acid and its salts, sodium diacetate, sorbic acid, etc. The disadvantage of chemical antifungal agents is that the antifungal effect is inversely proportional to the corrosion, and it is easy to produce toxic side effects. The composite antifungal agent is composed of various organic acid or organic acid salt antifungal agents in a...

Claims

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Application Information

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IPC IPC(8): A23L3/3562A23L3/3472D21C5/00
CPCA23L3/3562A23L3/3472D21C5/00A23V2002/00A23V2200/10A23V2250/5108A23V2250/21A23V2200/12Y02P20/54
Inventor 陆克文张微微
Owner 上海邦成生物工程有限公司
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