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Oceanic red yeast solid-fermentation method

A technology of marine red yeast and solid fermentation, applied in the direction of fungi, etc., can solve the problems of high cost of liquid fermentation and low bacterial content

Inactive Publication Date: 2014-02-26
LEADING GREEN BIOLOGICAL ZHENJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the carotene produced by it can improve the yield and disease resistance of farmed animals, it is widely used in marine biological farming and has good effects in aquaculture. Adding it to the bait of prawn larvae can improve the survival rate of larvae and promote Its growth and the effect of increasing its tolerance to environmental factors, therefore, the development of marine red yeast products is of great significance. CN101748075A (application number: 201010010034.0) patent document discloses a preparation method of highly active marine red yeast powder, CN1415738A (application number: 02139178.5) patent document discloses a process for preparing solid marine red yeast fungus powder by continuous flow plus deep-layer aeration culture and starch adsorption fluidized bed drying method. The above two patents are all liquid fermentation, and liquid fermentation There are disadvantages such as high cost and low bacterial content, so it is necessary to invent a high-efficiency marine red yeast solid fermentation process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0013] (1) Inoculate the marine Rhodotorula sp. strains in YPD liquid medium, and shake culture for 48 hours as the fermentation seed liquid; the culture temperature is 30°C, and the rotation speed is 150rpm;

[0014] (2) Inoculate the activated fermentation seed liquid in step (1) into the fermentor for 48 hours with stirring and aeration fermentation; the culture medium is: glucose 15g / L, peptone 10 g / L, yeast powder 10 g / L, magnesium sulfate 0.5 g / L, pH 5.8, the rest is seawater, sterilize 15min under 0.1MPa. Cultivation conditions: temperature of 30 degrees; stirring speed of 180rpm / min, aeration rate of 2m3 / min;

[0015] (3) 40% bran, 30% soybean meal, 15% lotus root starch, 15% corn starch are configured as a solid medium; sucrose 5g / L, peptone 5g / L, yeast powder 2 g / L, magnesium sulfate 0.5 g / L, Add to seawater and configure it as a liquid medium; mix the solid medium and liquid medium at a weight ratio of 1:1 and configure it as a solid medium; load the solid medium into a...

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PUM

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Abstract

The invention relates to an oceanic red yeast solid-fermentation method. The oceanic red yeast solid-fermentation method solves the problem that the existing oceanic red yeast liquid-fermentation method has a high cost and low yeast content. Through solid fermentation, the oceanic red yeast content is greater than 200 hundred millions per gram.

Description

Technical field [0001] The invention belongs to the technical field of agricultural application microorganisms. Background technique [0002] The marine red yeast cell is rich in nutrition and comprehensive, rich in protein, glycogen, unsaturated fatty acid, animal larval growth hormone and carotenoids mainly astaxanthin (has strong scavenging oxygen free radicals and promote antibody production , Increase host immunity and bright red effect), is an excellent astaxanthin producing bacteria, natural pigment source, highly potential animal feed protein and food additives. In recent years, marine red yeast has been used in feed additives. Because the carotene produced by it can increase the yield and disease resistance of farmed animals, it is widely used in marine biology and has good effects in aquaculture. Adding to the feed of prawn larvae can increase the survival rate of larvae and promote Its growth and the effect of increasing its tolerance to environmental factors, theref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/16
Inventor 孙义
Owner LEADING GREEN BIOLOGICAL ZHENJIANG
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