A feed additive for improving liver mitochondrial function of sea bass under high-fat stress, its preparation method and application, sea bass feed

A technology of feed additive and seabass liver, which is applied in the field of seabass feed, can solve the problems such as the decline of fish body's anti-stress ability, the slowdown of fish body growth rate, and the economic loss of farmers, so as to promote the production of mitochondria and improve the antioxidant capacity , the effect of good application prospects

Active Publication Date: 2021-12-21
JIMEI UNIV
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Problems solved by technology

However, high-fat feed will induce fatty liver in fish. Fatty liver will not only slow down the growth rate of fish and increase the bait coefficient, but also seriously affect the health of fish, which will reduce the anti-stress ability of fish and greatly reduce the mortality rate. increase, causing huge economic losses to farmers

Method used

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  • A feed additive for improving liver mitochondrial function of sea bass under high-fat stress, its preparation method and application, sea bass feed
  • A feed additive for improving liver mitochondrial function of sea bass under high-fat stress, its preparation method and application, sea bass feed
  • A feed additive for improving liver mitochondrial function of sea bass under high-fat stress, its preparation method and application, sea bass feed

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preparation example Construction

[0043] In addition, the present application also provides a preparation method of the above-mentioned feed additive, comprising the following steps: mixing Chinese tallow tree bark extract, rattan tea extract, silymarin, chelated zinc polysaccharide from Dictyophora polysaccharide, methionine chelated iron, biotin and the carrier. Preferably, all raw materials can be pulverized to 150-180 μm before mixing, so as to improve the particle uniformity of solid raw materials and improve the edibility and digestibility of feed additives.

[0044] As a reference, the preparation method of the Chinese tallow tree bark extract can include: extracting the Chinese tallow tree bark with ethanol backflow (the number of backflows can be set to 1 or more times as required), concentrating the extract (when the number of backflows is multiple, The extract to be concentrated is the sum of the extracts collected after each reflux), the extract obtained by concentration is dissolved in water, and ...

Embodiment 1

[0055] Before mixing, all the raw materials are pulverized to 150 μm, and every 100 parts by weight of the feed additive contains 20 parts by weight of Chinese tallow tree bark extract, 10 parts by weight of rattan tea extract, 15 parts by weight of silymarin, and 8 parts by weight of Dictyophora Polysaccharide chelated zinc, 12 parts by weight of methionine chelated iron, 4 parts by weight of biotin, and the balance in the proportion of defatted rice bran are mixed to obtain a feed additive for improving liver mitochondrial function of sea bass under high-fat stress.

[0056] Wherein, the Chinese tallow tree bark extract contains 99% by weight of ellagic acid, and the purity of the ellagic acid is 99.8%. The ligand ratio of methionine chelated iron is 2:1.

[0057] The preparation method of the Chinese tallow tree bark extract comprises: refluxing and extracting the Chinese tallow tree bark with 90wt% ethanol for three times, collecting and combining the extracts after each r...

Embodiment 2

[0061] The difference between this embodiment and Example 1 is that every 100 parts by weight of the feed additive contains 15 parts by weight of Chinese tallow tree bark extract, 15 parts by weight of vine tea extract, 10 parts by weight of silymarin, and 12 parts by weight of Dictyophora Polysaccharide chelated zinc, 9 parts by weight of methionine chelated iron, 6 parts by weight of biotin, and the balance is defatted rice bran.

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Abstract

The invention relates to a feed additive for improving the liver mitochondrial function of sea bass under high-fat stress, a preparation method and application thereof, and sea bass feed, belonging to the field of feed. Every 100 parts by weight of the feed additive includes 10-20 parts by weight of Chinese tallow tree bark extract, 10-20 parts by weight of vine tea extract, 5-15 parts by weight of silymarin, and 8-16 parts by weight of chelated Dictyophora polysaccharide Zinc, 6-12 parts by weight of methionine chelated iron and 4-8 parts by weight of biotin, and the balance is a carrier. The feed additive can not only increase the formation of sea bass mitochondria, promote the regeneration of mitochondria, enhance the activity of mitochondrial respiratory chain, but also improve the antioxidant capacity of liver mitochondria, reduce mitochondrial oxidative damage, and have the effect of lowering lipids. The preparation method is simple, the feed stability is good, and the application prospect is good. Applying the above-mentioned feed additives to the preparation of seabass feed can improve liver mitochondrial function of seabass under high-fat stress.

Description

technical field [0001] The invention relates to the field of feed, and in particular to a feed additive for improving liver mitochondrial function of sea bass under high-fat stress, a preparation method and application thereof, and sea bass feed. Background technique [0002] Sea bass is a carnivorous fish, which has been widely cultured in my country because of its fast growth and delicious meat. In recent years, high-fat feed has become a trend in seabass feed research and production because it can save protein, reduce feed cost and reduce ammonia nitrogen emissions. However, high-fat feed will induce fatty liver in fish. Fatty liver will not only slow down the growth rate of fish and increase the bait coefficient, but also seriously affect the health of fish, which will reduce the anti-stress ability of fish and greatly reduce the mortality rate. increase, causing huge economic losses to farmers. [0003] Therefore, how to solve the fatty liver caused by high-fat feed i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/80
CPCA23K50/80Y02A40/818
Inventor 鲁康乐张春晓王玲宋凯
Owner JIMEI UNIV
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