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Use of tea polyphenols to inhibit Coriolus versicolor and Myxophyllum compacta

A technology for harvesting Coriolus versicolor and Mycophyllum vulgaris is applied in the directions of manufacturing tools, wood treatment, pressure impregnation, etc. It can solve the problems of difficult purification, low industrial productivity, large scale of technical investment, etc., and achieves excellent anti-corrosion effect. Low cost, easy extraction effect

Active Publication Date: 2018-02-16
黑龙江省木材科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Causes: 1. Purification is difficult. During the separation process, the tissue is ground and the cells are broken, making these substances mixed and interacting, which makes the purification and refining of the effective substances of biomass wood preservatives more complicated.
2. High production cost, low industrial productivity, complex manufacturing process of biomass wood preservatives, high initial investment, and large scale of technical investment make manufacturers discouraged from the development of such products
3. The comprehensive performance is not high, and the use of certain biomass wood preservatives may reduce the physical and mechanical properties of wood
[0006] The tea polyphenol aqueous solution or tea polyphenol powder prepared by the existing technology is currently only used in the fields of food preservation, fresh-keeping, medicine and daily chemicals, and there is no relevant report on the application in the field of wood preservation

Method used

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  • Use of tea polyphenols to inhibit Coriolus versicolor and Myxophyllum compacta
  • Use of tea polyphenols to inhibit Coriolus versicolor and Myxophyllum compacta

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specific Embodiment approach 1

[0023] Embodiment 1: The use of tea polyphenols to inhibit Coriolus versicolor and Glyophyllum compacta is made from water-soluble tea polyphenol powder and sterile distilled water, and the mass percentage concentration of water-soluble tea polyphenol powder is 5%. , 10%, 15% or 20%; the mass content of the effective substance of the water-soluble tea polyphenol powder is 95%.

specific Embodiment approach 2

[0024] Specific embodiment two: in this embodiment, the purposes of tea polyphenols inhibiting Coriolus versicolor and Glycophyllum closeus is to dissolve water-soluble tea polyphenol powder in distilled water at normal temperature, and then under the pressure of 0.2MPa, the temperature is Processed under steam conditions at 121°C for 20 minutes; wherein the water-soluble tea polyphenol powder has an effective substance content of 95%, and the water-soluble tea polyphenol powder has a mass percentage concentration of 5%, 10%, and 15% or 20%.

specific Embodiment approach 3

[0025] Specific embodiment three: the purpose of tea polyphenols inhibiting Coriolus versicolor and Glycophyllum compact in this embodiment is to dissolve water-soluble tea polyphenol powder in sterile distilled water, then add VE (vitamin E), water-soluble The mass percentage concentration of the tea polyphenol powder is 5%, 10%, 15% or 20%, the mass percentage concentration of VE is 0.05%, and the mass content of the water-soluble tea polyphenol powder is 95%.

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Abstract

The invention discloses a tea polyphenol preservative and a using method thereof, and belongs to the field of wood corrosion prevention. The invention aims to provide a wood preservative and a using method thereof. The tea polyphenol preservative is prepared from water-soluble tea polyphenol powder and sterile distilled water; water vapor heating treatment further can be carried out, or synergists such as VE, NaCl and the like are added. The using method for the tea polyphenol preservative comprises the following steps: carrying out vacuum-pumping on wood for 0.5-1.5 hours in an environment with vacuum degree being 0.098MPa; soaking the wood by use of the tea polyphenol preservative for 1-3 hours under soaking pressure of 0.8-1.2MPa, and putting the soaked wood at the normal temperature for 1 hour, and then drying the soaked wood for 10-15 hours in an oven with a temperature being 60-85 DEG C. The product has relatively strong inhibiting effect on growth of wood-decaying fungi (coriolus versicolor and glocophyllum trabocum). The tea polyphenol preservative is used for corrosion prevention of wood.

Description

technical field [0001] The invention belongs to the application field of tea polyphenols; in particular, it relates to the use of tea polyphenols in inhibiting two kinds of wood-rot fungi: Coriolus versicolor and Glyophyllum compactus. Background technique [0002] Due to the serious shortage of global timber resources, wood preservative technology is one of the effective methods to prolong the service life of timber, solve the contradiction between supply and demand of timber, and protect forest resources. However, traditional wood preservatives contain heavy metals such as arsenic or chromium, which pollute the environment, and through bioconcentration and food chain effects, the agents accumulate and remain in the organism, and even cause chronic toxicity such as carcinogenicity, teratogenicity, and gene mutation. [0003] At present, wood preservatives are developing rapidly in the direction of low (non-)toxicity. Plant-derived, animal-derived and microbial-derived bioma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K3/38B27K3/08B27K5/04
CPCB27K3/08B27K3/38B27K5/04B27K2240/20
Inventor 张佳彬黄海兵高丹丹何金存刘秀艳
Owner 黑龙江省木材科学研究所
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