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Creator:: Chen, Jie, 1957-
Resource Type:: Dissertation
Full Text:: from Red Alder Bark. Abstract approved: Joseph . Karchesy The bark of red alder (Alnus rubra) is

Creator:: Hansen, Edward Dee
Abstract:: Two-stage sulfite pulping conditions were determined which produced a high-yield high-hemicellulose pulp from red alder (Alnus rubra Bong.). Those cooks with a bisulfite first-stage and an alkaline second-stage produced pulps with the highest hemicellulose content and the highest strength properties. The major hemicellulose in red alder is 0-acetyl-(4-0- methylglucurono)xylan. Removal...
Resource Type:: Masters Thesis

Creator:: Gonzalez-Laredo, Ruben Francisco
Abstract:: The objectives of this research were to isolate and determine the molecular structures of certain polyphenols in Douglas-fir and red alder barks. The compounds of interest in Douglas-fir were the lignans which are eventually incorporated into the outer bark phlobaphenes. Phlobaphenes are the red colored, alcohol soluble, water insoluble phenolic...
Resource Type:: Dissertation

Creator:: Lei, Hua
Abstract:: This study was to investigate effects of growth rate and cambial age on properties of wood from two increasingly used hardwood species, red alder (Alnus rubra Bong.) and Oregon white oak (Quercus garryana Dougl.), for better understanding factors affecting wood quality in hardwoods. Thirty 7-year-old trees grown at widely varying...
Resource Type:: Dissertation
Full Text:: and Cambial Age on Wood Properties of Red Alder (Alnus rubra Bong.) and Oregon White Oak (Ouercus

Creator:: Arvey, Shuping Wang
Resource Type:: Dissertation
Full Text:: from the cambium layer into the xylem. The heartwood, with an orange-red to red, sometimes yellow

Creator:: Song, Hong-keun
Abstract:: Dihydroquercetin [(2,3-trans)-3,3',4',5,7-pentahydroxyflavanonol] was shown to be the precursor to the phenolic stains that often develop in Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] sapwood. Douglas-fir sapwood was extracted with methanol and the methanol solubles were fractionated by solvent partition, thin-layer chromatography, silica-gel column chromatography, and Sephadex gelpermeation chromatography. Tyrosinase, a commercially available...
Resource Type:: Dissertation

Creator:: Schott, Kermit A.
Abstract:: It has been observed that edging flitches into lumber unnecessarily reduces the yield of cut stock. This research investigated the yield of cut stock from unedged red alder (Alnus rubra) flitches, and compared it to yields attained from boards subjected to a variety of edging strategies: conventional, light-edging, actual, severe...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Forest Products presented on July 15, 1994. Title : The Effect of Edging Red Alder

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