TREATMENTS TO MINIMIZE EXTRACTIVES STAIN IN WESTERN RED CEDAR
نویسندگان
چکیده
منابع مشابه
Phenolic Extractives in Southern Red Oak Bark
The bark of southern red oak (Quercus falcala Michx. var. falcala) is a rich source of quercitrin (quercetin3-rhamnoside). It contains only low concentrations of (+ )-catechin and no significant amounts of epicatechin or gallocatechin. The three major dimeric proanthocyanidins present are epicatechin(4f,>8)-catechin, catechin-(4a>8)-catechin and the 3-gallate ester of epicatechin-( 4~>8)-catech...
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Leaf longevity determines the annual cost of replacing foliage biomass and influences water and nutrient budgets. Longevity is readily estimated in most evergreen species by annual bud scars along the shoot. However, some species with indeterminate growth do not show these annual markers, making estimation of longevity difficult. One of these species is the widespread and economically valuable ...
متن کاملThe congo red stain revisited.
The Congo red stain has undergone several modifications since it was first used by Bennhold in 1922 in order to increase the specificity for staining amyloid. Most of the laboratories in the United States use the method of Puchtler which uses alkaline Congo red solution. Some of the variables associated with the procedure were investigated by us. Our results showed the following: (1) amyloid sh...
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ژورنال
عنوان ژورنال: BioResources
سال: 2012
ISSN: 1930-2126
DOI: 10.15376/biores.7.2.2461-2468