Wood Extractives [microform] : the Structure and Chemistry of Some Triterpenes Isolated from the Bark of Sitka Spruce (Picea Sitchensis) PDF Download
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Author: I. H. (Ian Henry) Rogers
Publisher: National Library of Canada
ISBN:
Category : Chemistry, Organic
Languages : en
Pages :
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![Wood Extractives [microform] : the Structure and Chemistry of Some Triterpenes Isolated from the Bark of Sitka Spruce (Picea Sitchensis) PDF](https://books.google.com/books/content/images/frontcover/o_fFnQEACAAJ?fife=w80-h100)
Author: I. H. (Ian Henry) Rogers
Publisher: National Library of Canada
ISBN:
Category : Chemistry, Organic
Languages : en
Pages :
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Book Description
Author: Ian Henry Roger
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Canada
Languages : en
Pages : 1316
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Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages : 572
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Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages : 572
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Author: W. E. Hillis
Publisher: Academic Press
ISBN: 1483258610
Category : Science
Languages : en
Pages : 532
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Book Description
Wood Extractives and their Significance to the Pulp and Paper Industries focuses on the promotion of the study of the biochemistry of wood extractives and to elaborate on the effects these materials may pose to the manufacture of pulp and paper. The publication first elaborates on wood, distribution and formation of polyphenols within the tree, and the simple polyphenolic constituents of plants. Discussions focus on the factors affecting the amounts of polyphenols present in living tissues, glycosidic combination, flavonols, anthocyanins, and leucoanthocyanins, formation of carbohydrates in the tree, types of polyphenols in different tissues of uninjured trees, and variation in structure and properties of wood. The text then examines lignans and condensed and hydrolyzable tannins. The manuscript takes a look at the alicyclic acid precursors of polyphenols, biosynthesis of polyphenols, and tropolones. Topics include tropolones occurring in wood, polymeric polyphenols, synthesis of pre-aromatic compounds, shikimic acid, and quinic acid. The book then ponders on the influence of extractives on the pulping of wood and the influence of extractives on the color of ground wood and newsprint. The publication is a valuable reference for researchers interested in the processes and methodologies involved in the manufacture of pulp and paper.
Author: Kristin I. McNeill
Publisher:
ISBN:
Category : American linden
Languages : en
Pages : 56
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Author: Vernon W. Hiscock
Publisher:
ISBN:
Category : Black spruce
Languages : en
Pages : 68
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Author: Takayoshi Higuchi
Publisher: Springer Science & Business Media
ISBN: 3642604692
Category : Science
Languages : en
Pages : 374
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Book Description
Progress in wood chemistry has been related mainly to chemical wood pulping and bleaching and chemical utilization of wood and wood extractives. Meth ods of wood analysis were developed by Schorger (proximate analysis in 1917) and Dore (summative analysis in 1919), and standard methods based on Schorger's method, e.g., TAPPI standards (Technical Association of the Pulp and Paper Industry), have been widely used for chemical analysis of woods in many countries. Thus it is generally known that wood is composed of about 50% cellulose, 20-35% of lignin, 15-25% of hemicelluloses, and variable amounts of extractives. Chemical characterization and efficient utilization of these wood components have been studied in laboratories of wood chemistry and technology in universities and government institutions. In the last decade, biochemistry and molecular biology of microorganisms, animals, and plants have greatly progressed. At the same time wood has been recognized as a unique renewable ecomaterial produced by trees using solar energy. In addition, many desirable properties of wood and wood components as biomaterial that affects physiology and psychology in humans have recently attracted attention.
Author: J. T. Drow
Publisher:
ISBN:
Category : Sitka spruce
Languages : en
Pages : 11
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