Results 131 to 140 of about 1,051 (164)
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Two triterpenoids from Boehmeria excelsa
Phytochemistry, 1986Abstract Two new triterpenoids, boehmerone and boehmerol, and the known compounds ursolic acid and betulinic acid were isolated from the bark of Boehmeria excelsa. The structures of the new compounds were established by spectroscopic methods and X-ray analysis.
M.Luisa Oyarzún +4 more
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Phytophthora boehmeriae . [Distribution map].
Distribution Maps of Plant Diseases, 2006Abstract A new distribution map is provided for Phytophthora boehmeriae Sawada Fungi: Oomycota: Peronosporales Hosts: Boehmeria nivea, cotton ( Gossypium spp .), Citrus and Pinus spp. and others.
null CABI, null EPPO
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Cystoliths and Plasmodesmata in Beloperone, Ficus, and Boehmeria
Botanical Gazette, 19461. The occurrence and development of cystoliths in Beloperone californica is described. 2. Minute crystals appear in the vacuoles of certain meristematic cells of the stem apex. A pellicle surrounds the enlarging vacuole, the crystals become fused into one composite structure, and a tenuous stalk appears concurrently by which the structure is attached ...
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[Studies on the chemical constituents of radix Boehmeriae].
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 2011To study the chemical constituents from Radix Boehmeriae.Compounds were isolated by various column chromatographies with silica gel, their structures were elucidated by spectral analysis and chemical evidence.Eight compounds were isolated and their structures were identified as emodin (1), emodin-8-O-beta-glucopyranoside (2), physcion (3), polydatin (4)
Li-Jun, Shao, Jian-Nong, Wang
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[Chemical constituents of roots of Boehmeria nivea].
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 2010To investigate the chemical constituents from roots of Boehmeria nivea.The constituents were isolated by repeated column chromatography and preparative liquid chromatography; and their structures were elucidated by chemical properties and spectroscopic analyses.Seven compounds were isolated and their structures were identified as tormentic acid (1 ...
Qiongming, Xu +6 more
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