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Feather degradation method

A technology of feather and treatment method, which is applied in the field of resource utilization of feather, can solve the problems of less effective products and long microbial growth cycle, and achieve the effect of less chemical reagents, complete degradation and wide application

Inactive Publication Date: 2014-08-13
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this microbial-based degradation process has a long growth cycle for microorganisms, and at the same time consumes part of the feathers as nutrients during the growth process, so the effective products obtained become less

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Take a clean container with a stopper and put it into the container with 2.5 grams of feathers and 12.5ml of 0.15% hydrogen peroxide. The bath ratio of hydrogen peroxide solution to feathers is 5:1. Continue to process for 6 hours at a speed of 150r / min; wash the feathers treated with the hydrogen peroxide twice with distilled water, then add 12.5ml of distilled water, and a final concentration of 200U proteinase K per gram of feathers. The bath ratio of the protease solution to the feathers is 5:1, the feathers were completely degraded after standing at a constant temperature of 50°C for 24 hours, and 2.5 g of peptide and amino acid effective substances were obtained after drying.

Embodiment 2

[0023] Take a clean container with a stopper and put it into the container with 5 grams of feathers and 150ml of 0.3% hydrogen peroxide. The bath ratio of hydrogen peroxide solution to feathers is 30:1. The rotating speed of 200r / min continued to treat for 12h; the feathers treated with hydrogen peroxide were washed three times with distilled water, then 150ml of distilled water was added, and trypsin with a final concentration of 150U per gram of feathers was added, and the bath ratio of protease solution and feathers was 30:1 After stirring for 48 hours at a constant temperature of 37 ° C, the feathers were completely degraded, and 5 g of effective substances of peptides and amino acids were obtained after drying.

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PUM

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Abstract

The invention relates to a feather degradation method. The method comprises the following steps: 1, processing the feather with hydrogen peroxide at 30-80DEG C for 6-48h, wherein the mass percent concentration of the hydrogen peroxide is 0.000001-0.01, and the bath ratio of a hydrogen peroxide solution to the feather is 5-30:1; and 2, washing the processed feather with water, and processing with a protease at 30-65DEG C for 6-48h, wherein each gram of the feather is added with 5-200U of the protease, and the bath ratio of a protease solution to the feather is 5-30:1. The method has the advantages of simple operation, thorough feather degradation, large-scale production, no pollution and low energy consumption; and the resultant feather degradation solution can be widely applied.

Description

technical field [0001] The invention belongs to the field of resource utilization of feathers, in particular to a feather degradation method. Background technique [0002] Feather resources are extremely rich. Especially in modern agriculture, large-scale poultry farming produces a large amount of keratin waste, of which feather waste is the most produced. According to statistics, in recent years, the annual production of poultry in my country has exceeded 7 billion, and increasing year by year. According to the calculation that each poultry can produce 0.10kg of feathers, the annual output can reach more than 700,000 tons. [0003] The crude protein content of feathers is more than 80%, the amino acid content is more than 70%, and it also contains major elements, trace elements, vitamins and some unknown growth factors. my country began to pay attention to the resource utilization of feather waste from around the 1980s, but most of them were simply processed into feather p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P21/06C12P13/00
Inventor 曹张军蒋晶君吴斌高品周美华
Owner DONGHUA UNIV
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