Fetid aspergillic strain and uses

A technology of Aspergillus foetidus and Aspergillus foetidus, which is applied in the field of high-yield α-galactosidase strains, can solve the problems of low enzyme production level, restriction of soybean milk product application, fermentation characteristics of enzyme-producing bacteria, nutritional characteristics and fermentation cost. Research and other issues to achieve the effects of lower production costs, easy application, and high stability

Inactive Publication Date: 2006-09-20
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology helps create an optimal solution for producing lactoferrin from A.terreis bacteria through specific methods such as genetic engineering or chemical synthesis techniques. By doing this it allows for better control over both gamma-lactamases (which are important antimicrobial agents) and other proteins involved with LAL activity found naturally within these microorganisms. Additionally, there's no harm caused during commercial manufacturing processes due to the use of crude materials instead of pure cultures containing live yeast cells. Overall, this innovative process results in cost savings while maintaining safety standards for safe applications on various products made up mostly of natural ingredients like milk powder.

Problems solved by technology

This patented technical problem addressed in this patents relates to finding ways to use alpha -galactonitases (αGA), particularly beta glucurons found naturally throughout plants like vegetables, fruits, seeds, legumes, grains, nuts, yeast, seafoods, fishes, creatures containing them, including humans, animals, birds, amphimicrobes, fungi, algae, cyanotropics, lizards, turtles, horseshockey sharks, whale spiders, crops, citrus pulmonary wafers, dried root extract from roots, manure liquids, lactic acid produced during diafiltration process, excessive calcium consumption caused by defibrillated erythrocytes, reduced carbohydrogen gas generation due to respiratory tract disorders associated with malabsorptivity syndromes, and accumulation of unwanted substances called phytotoxicity ingredients through liver function changes.

Method used

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Embodiment Construction

[0012] 1. Isolation and identification of strains

[0013] 1.1 strain screening

[0014] From fermented soybean products: tempeh, stinky tofu, fermented bean curd, soy sauce fermented grains (collected and fermented for 4 days, 12 days and 60 days respectively) and rotten soybean meal (soaked in water and fermented for 5 days), as well as yeast strains preserved in the laboratory, and less spore roots Mold, Penicillium point, Aspergillus niger, Aspergillus oryzae, and Bacillus natto were screened and used as samples. The fermented soybean products are enriched and cultured with the proliferation medium, and a single colony is picked on the primary screening medium. After cultivating for an appropriate time, the colony showing blue color on the primary screening medium is picked out for re-screening. A strain with high enzyme-producing activity was obtained by re-screening the fermentation and numbered G5, and the enzyme activity reached 22.27U / mL after being cultured at 28°C ...

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Abstract

This invention discloses Aspergillus foetidus strain that is preserved at China General Microbiological Culture Collection Center (CGMCC) with the name of Aspergillus foetidus ZU-G1. The preservation date is March 3th, 2006, and the preservation number is CGMCC No.1628. the strain can be used to manufacture alpha-galactosidase.

Description

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Claims

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Application Information

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Owner ZHEJIANG UNIV
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