Analyses of Black Wattle (Acacia mearnsii) Tannins — Relationships Among the Hide-Powder, the Stiasny and the Ultra-Violet (UV) Methods

Analyses of Black Wattle (Acacia mearnsii) Tannins — Relationships Among the Hide-Powder, the... Introduction The bark from black wattle (Acacia mearnsii DeWild) contains water soluble components, known as "wattle tannins", which are an important source of tannins for leather tanning, water-proof wood adhesives and other uses. The wattle tannins have been commercially produced mostly in South Africa and Brazil. In 1985, the Australian Centre for International Agricultural Research (ACIAR) collaborated with the Chinese Academy of Forestry on research into "Wattle silviculture and the utilization of tannin extracts" and this project has been extended to "Wattle silviculture and pulping studies" since 1989. The Chinese Academy of Forestry, Research Institute of Chemical Processing and Utilization of Forest Products, Nanjing has been involved in research on analysis of tannins and utilization of tannins as wood adhesives. Development of a rapid and reliable method for tannin analysis is vitally important for the ACIAR Project on wattle silviculture in China where new generic resources of black wattle have been introduced from Australia through the establishment of provenance trials and seedlings and orchards/progeny trials. The Stiasny method (Yazaki and Hillis 1977) is regarded as a rapid method for evaluating extracts for wood adhesives, while the hide-powder method is used in tannin analysis for leather tanning (Anon. Holzforschung http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Wood de Gruyter

Analyses of Black Wattle (Acacia mearnsii) Tannins — Relationships Among the Hide-Powder, the Stiasny and the Ultra-Violet (UV) Methods

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Publisher
de Gruyter
Copyright
Copyright © 2009 Walter de Gruyter
ISSN
0018-3830
eISSN
1437-434X
DOI
10.1515/hfsg.1993.47.1.57
Publisher site
See Article on Publisher Site

Abstract

Introduction The bark from black wattle (Acacia mearnsii DeWild) contains water soluble components, known as "wattle tannins", which are an important source of tannins for leather tanning, water-proof wood adhesives and other uses. The wattle tannins have been commercially produced mostly in South Africa and Brazil. In 1985, the Australian Centre for International Agricultural Research (ACIAR) collaborated with the Chinese Academy of Forestry on research into "Wattle silviculture and the utilization of tannin extracts" and this project has been extended to "Wattle silviculture and pulping studies" since 1989. The Chinese Academy of Forestry, Research Institute of Chemical Processing and Utilization of Forest Products, Nanjing has been involved in research on analysis of tannins and utilization of tannins as wood adhesives. Development of a rapid and reliable method for tannin analysis is vitally important for the ACIAR Project on wattle silviculture in China where new generic resources of black wattle have been introduced from Australia through the establishment of provenance trials and seedlings and orchards/progeny trials. The Stiasny method (Yazaki and Hillis 1977) is regarded as a rapid method for evaluating extracts for wood adhesives, while the hide-powder method is used in tannin analysis for leather tanning (Anon. Holzforschung

Journal

Holzforschung - International Journal of the Biology, Chemistry, Physics and Technology of Woodde Gruyter

Published: Jan 1, 1993

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