منابع مشابه
á563ñ IDENTIFICATION OF ARTICLES OF BOTANICAL ORIGIN
Identification of raw plant material intended for use in the manufacture of pharmaceuticals, excipients, or dietary supplements is carried out by examining the morphological and histological features of the article under test and by performing diagnostic chemical tests on the article. The botanical and chemical characteristics of the test article are then compared to the known botanical and che...
متن کاملSuggested guidelines for articles about botanical dietary supplements.
Recently, The American Journal of Clinical Nutrition (AJCN) began reviewing articles about dietary supplements. The purpose of this commentary is to provide guidelines to authors and reviewers for articles on one category of supplement ingredients, botanicals. The botanicals in the studies published by the AJCN tend to fall into 1 of 2 groups: 1) plants as foods containing nonessential bioactiv...
متن کاملIdentification of Articles of Botanical Origin by High- Performance Thin-layer Chromatography Procedure
1064 Identification of Articles of Botanical Origin by High-Performance ThinLayer Chromatography Procedure. High-performance thin-layer chromatography (HPTLC) is widely used for botanical identification. Variability of the chromatographic conditions has the potential to significantly impact the results. This informational general chapter describes, with illustrations, the need to control the re...
متن کاملSelecting Interesting Articles Using Their Similarity Based Only on Positive Examples
The task of automated searching for interesting text documents frequently suffers from a very poor balance among documents representing both positive and negative examples or from one completely missing class. This paper suggests the ranking approach based on the k-NN algorithm adapted for determining the similarity degree of new documents just to the representative positive collection. From th...
متن کاملBotanical ratchets.
Ratcheting surfaces are a common motif in nature and appear in plant awns and grasses. They are known to proffer selective advantages for seed dispersion and burial. In two simple model experiments, we show that these anisotropically toothed surfaces naturally serve as motion rectifiers and generically move in a unidirectional manner, when subjected to temporally and spatially symmetric excitat...
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ژورنال
عنوان ژورنال: Blue Jay
سال: 1952
ISSN: 2562-5667,0006-5099
DOI: 10.29173/bluejay1397