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Golden pomelo young fruit polysaccharide-containing grouper feed and preparation method thereof

A technology of grouper and young fruit, which is applied in the field of grouper feed containing pomelo young fruit polysaccharide and its preparation, can solve the problems of frequent outbreaks of grouper liver disease, insufficient disease prevention and control, and fish death economy , to achieve the effects of benefiting growth and reproduction, improving antioxidant capacity, and improving growth adaptability

Active Publication Date: 2021-06-22
ZHONGKAI UNIV OF AGRI & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the expansion of breeding scale, the deterioration of water environment, insufficient disease prevention and control, and the abuse of chemical substances such as antibiotics, frequent outbreaks of grouper liver disease have resulted in a large number of fish deaths and economic losses.

Method used

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  • Golden pomelo young fruit polysaccharide-containing grouper feed and preparation method thereof
  • Golden pomelo young fruit polysaccharide-containing grouper feed and preparation method thereof
  • Golden pomelo young fruit polysaccharide-containing grouper feed and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Example 1. Preparation and structural analysis of goldprised fruit polysaccharides

[0047] First, the preparation method of the gold pomelo, the preparation:

[0048] S1 gold pomelo is dry after drying, and deionized water is added to 1:30 according to the liquid ratio of 1: 30, and the raw rubber enzyme (2% w / v, pH 6.0, 50 ° C) is 1.5-3H. ;

[0049] After S2, after the product acquired by step S1, it is extracted by ultrasonic breakage;

[0050] After the extraction of the S3 ultrasonic breakage, the extract is centrifuged and concentrated, and trichloroacetic acid is removed, and the four-fold volume of ethanol precipitated overnight layers under 4 ° C, and precipitated;

[0051] S4 is dissolved in deionized water and injects Deae Sepharose Fast Flow, and the deAsepharose Fast Flow packing first uses 0.5 mol / ml hydrochloric acid for 1 hour, washing the impurities in the filler, with 4-5 times volume The distilled water was washed away from neutral, the resolution flo...

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Abstract

The invention belongs to the technical field of feed processing, and particularly relates to a golden pomelo young fruit polysaccharide-containing grouper feed and a preparation method thereof. The golden pomelo young fruit polysaccharide-containing grouper feed not only can improve the oxidation resistance and immunity of pearl gentian groupers, but also can inhibit lipid accumulation of the pearl gentian groupers and improve the liver structure and liver pathological damage degree, and is free of toxic and side effects and environmentally friendly. Meanwhile, the grouper feed containing the golden pomelo young fruit polysaccharide is low in vitamin loss rate when being put into a water body, the vitamin content in the feed can be well maintained, the vitamin absorption of the pearl-gentian grouper is ensured, and the growth and reproduction of the grouper are more facilitated.

Description

Technical field [0001] The present invention belongs to the field of feed processing, and specifically, a grouper feed containing goldprised fruit polysaccharides and a preparation method thereof. Background technique [0002] Currently, in order to save the protein content in the feed, it is often used instead of protein. However, feeds with high fat content can cause slow growth, decline in immune function, increased incidence rate, and reduce the quality of the aquatic products and feed aquaculture, causing serious economic losses. Severity can also cause fatty liver. Fatty blood will not only affect the healthy growth of aquatic animals, but also reduce economic benefits and bring huge harm to fishery production. Fish liver disease has become one of the main constraints of world fish sustainable development. Therefore, research on fish liver disease is important, not only elucidated the pathogenesis of liver disease, but also to study from a business perspective. [0003] The...

Claims

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Application Information

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IPC IPC(8): A23K50/80A23K20/163A23K10/22A23K10/37A23K10/30A23K10/18A23K20/158A23K20/105A23K20/174A23K20/26A23K20/20A23K20/121A23K40/00
CPCA23K50/80A23K20/163A23K10/22A23K10/37A23K10/30A23K10/18A23K20/158A23K20/105A23K20/174A23K20/26A23K20/20A23K20/121A23K40/00Y02P60/87Y02A40/818
Inventor 刘袆帆林诺怡邹翠云方裕科马路凯
Owner ZHONGKAI UNIV OF AGRI & ENG
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