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Method for preventing bamboo from mildewing by using aspergillus flavus

A kind of Aspergillus flavus and bamboo wood technology, applied in wood treatment, wood impregnation, wood impregnation, etc., can solve the problems of affecting the use value, failing to achieve the anti-mildew effect, mildew in the process of storage, transportation, processing and use, etc.

Inactive Publication Date: 2014-10-01
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the high content of non-cell wall substances (starch, reducing sugar, protein, fat, minerals, etc.) in bamboo, it is very easy to occur during storage, transportation, processing and use. Mildew, affecting its use value
Due to the limitations of the internal structure of bamboo, the traditional anti-mildew method of bamboo cannot achieve the ideal anti-mildew effect

Method used

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Examples

Experimental program
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Embodiment 1

[0030] The specific steps are:

[0031] Step 1: harvest fresh moso bamboo, remove the sundries on the bamboo stem, and cut the moso bamboo into bamboo sections with a standard length of about 2.0 meters according to the specific use;

[0032] Step 2: Process the bamboo segments into bamboo strips on the bamboo breaking machine, and send them to the four-sided planer for rough planing. The rough planed bamboo strips have a specification of 2000mm×25mm×6mm (length×width×thickness), and they are ready for use;

[0033] Step 3: Take 24 grams of potato dextrose medium (PDb) and 20 grams of agar (Agar) into a 2000 ml glass bottle, add 1000 ml of distilled water, stir well, put it into Harvey for sterilization; take it out after 2 hours, Pour into a white plate, cool for 15 minutes, and when the culture solution is solid, cover it and put it in the incubator for later use;

[0034] Step 4: Check the condition of the solid medium in the white plate of the incubator every day. If the ...

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Abstract

The invention discloses a method for preventing bamboo from mildewing by using aspergillus flavus. By utilizing the characteristic that in a given period, aspergillus flavus consumes more starch and reducing sugar than common mold and the physical mechanical performance of the bamboo does not drop obviously, the method comprises the following steps: inoculating the aspergillus flavus to the bamboo, so that the contents of starch and reducing sugar in the bamboo rapidly drop; and finally removing dark mold spots on the surface of the bamboo by bleaching, so as to recover the beautiful color of the bamboo surface. The technique is composed of aspergillus flavus culturing technique, aspergillus flavus inoculating technique, aspergillus flavus sterilizing technique and mold-infected bamboo bleaching technique. As proved in bamboo mold resistance experiments performed according to ASTM: D4445-03 (Standard Test Method for Fungicides for Controlling Sapstain and Mold on Unseasoned Lumber (Laboratory Method)): the bamboo is subjected to aspergillus flavus pre-infecting and then bleaching, the mold resistance of the bamboo is remarkably improved and no mold grows in an experiment period of 30 days.

Description

technical field [0001] The invention specifically relates to a method for preventing bamboo from mildew by using Aspergillus flavus. Background technique [0002] Due to the high content of non-cell wall substances (starch, reducing sugar, protein, fat, minerals, etc.) in bamboo wood, it is very easy to mildew during storage, transportation, processing and use, which affects its use value. Due to the limitations of the internal structure of bamboo, the traditional anti-mildew method of bamboo cannot achieve the desired anti-mildew effect. [0003] The proposed patent application takes advantage of the fact that Aspergillus flavus can consume more starch and reducing sugar than ordinary molds within a specified period of time, and inoculates Aspergillus flavus on bamboo to promote the rapid decline of starch and reducing sugar inside the bamboo. The bamboo treated with mold can be bleached to completely remove the dark mold spots on the surface of the bamboo and restore the...

Claims

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Application Information

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IPC IPC(8): B27K3/02B27K3/34B27K5/04B27M1/06
Inventor 黄晓东
Owner FUJIAN AGRI & FORESTRY UNIV
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