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Rainbow trout nutrition enhancer and application thereof

A nutrient enhancer and feed technology, which is applied in the field of nutrient enhancer for rainbow trout feed, can solve the problems of unusable aquatic animals and worrying about safety, and is beneficial to resource reuse and environmental protection, reducing production costs, and low production costs Effect

Inactive Publication Date: 2016-04-06
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, artificial astaxanthin is produced through chemical synthesis, and its safety is worrying. The use of artificial astaxanthin for feed has been banned in the European Union. The Ministry of Agriculture of my country has also clearly stipulated that artificial astaxanthin It is not allowed to be used for poultry, but only for aquatic animals, but aquatic animals produced for human consumption should also not be used

Method used

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  • Rainbow trout nutrition enhancer and application thereof
  • Rainbow trout nutrition enhancer and application thereof

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Embodiment 1

[0025] Dissolve the nutritional enhancer in water, and perform high-pressure homogenization to obtain a homogeneous liquid of algae residue, and then add it to the ordinary full-price compound feed. Nutritionally enriched feed pellets that are less than 1cm rich in natural astaxanthin algae residue. The nutritional enhancer is the algae residue of the oil-free component of Haematococcus pluvialis (the content accounts for 1% of the feed), and the astaxanthin accounts for 0.1%-0.5% of the dry weight.

[0026] Both the common full-price compound feed and the binder are commercially available, and the common full-price compound feed contains the following components: fish meal, soybean, pea protein, wheat, rapeseed meal, fish oil, minerals and vitamins, etc. The approximate ratio of the points is shown in Table 1; the binder is a glue product (specifically alginate, the content accounts for 2.5% of the feed).

[0027] Table 1 The main nutritional indicators (dry weight%) of feed...

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Abstract

The invention belongs to the field of aquatic products and relates to a rainbow trout nutrition enhancer and application thereof. The nutrition enhancer is an oil-free component algal residue of haematococcus pluvialis; the astaxanthin content in the algal residue generally takes up 0.1%-0.5% of dry weight. The algal residue comes from oil-free component algal residues which contain a small amount of remaining astaxanthin and other bioactive components and are produced after astaxanthin is extracted from natural haematococcus pluvialis. The rainbow trout nutrition enhancer has the advantages that the oil-free component algal residues of the haematococcus pluvialis are recycled, and bioavailability is improved, so that waste residues are not produced, and environmental pollution caused by discharge of the waste residues is avoided; meanwhile, the oil-free component algal residue of the haematococcus pluvialis replaces a traditional artificially synthesized astaxanthin additive and is natural, free of toxicity and safe in use, prepared feed is safe and reliable, and production cost is lowered; besides, when rainbow trout is fed with the nutritional feed enhanced by the algal residue of the haematococcus pluvialis, the morbidity of the rainbow trout can be reduced, the immunologic function and antioxidant capacity can be improved, and the flesh color is bright and stable and can reach 30 degrees or above of a color chart.

Description

technical field [0001] The invention belongs to the field of aquatic products, and relates to a nutritional enhancer for rainbow trout feed and an application thereof. Background technique [0002] Rainbow trout is a cold-water anadromous fish belonging to the family Salmonidae. Rainbow trout has tender meat, unique taste, high nutritional value, few spines, and high meat yield. It is the first choice for making sashimi and smoked fish. One of the most popular fish on the table. In addition, studies have shown that salmon and trout have unique health effects, which can effectively prevent the occurrence of cardiovascular and cerebrovascular diseases, effectively resist chronic diseases such as diabetes and certain types of cancer, promote brain development of infants, and accelerate wound healing. Therefore, salmon and trout fish products are good nutritional and health products for infants, pregnant women, and the elderly, and have a broad market. [0003] At present, in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K10/30
Inventor 刘建国苏芳石琨庞通
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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