C₉-iridoid glycosides, wallichiisides A-C, and four dimers, wallichiisides D-G, together with 13 known glycosidic compounds, were isolated from whole plants of Eriophyton wallichii Benth. Their structures were elucidated by spectroscopic methods and comparison with literature values. Four of these compounds showed moderate DPPH free radical scavenging activity.
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Overlapping Leaves Covering Flowers in the Alpine Species Eriophyton wallichii (Lamiaceae): Key Driving Factors and Their Potential Impact on Pollination.
PLoS One
June 2017
Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, China.
Article Synopsis
- * The study measured UVB radiation levels and tested pollen’s resilience to rain and UVB, finding that while corollas can protect pollen from damage, the overlapping leaves did not hinder pollination.
- * Results showed that pollinators are vital for E. wallichii reproduction, and the overlapping leaves did not limit flower attraction to pollinators, implying their protective role may primarily involve dealing with high temperatures rather than rain or UVB protection.
Iridoid glycosides and glycosidic constituents from Eriophyton wallichii Benth.
Phytochemistry
October 2011
Department of Natural Medicinal Chemistry, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 ZuChongZhi Road, Shanghai 201203, PR China.
C₉-iridoid glycosides, wallichiisides A-C, and four dimers, wallichiisides D-G, together with 13 known glycosidic compounds, were isolated from whole plants of Eriophyton wallichii Benth. Their structures were elucidated by spectroscopic methods and comparison with literature values. Four of these compounds showed moderate DPPH free radical scavenging activity.
View Article and Find Full Text PDF[Studies on phenylpropanoids from herbs of Eriophyton wallichii].
Zhongguo Zhong Yao Za Zhi
November 2008
Tiens Group Co. Ltd., Tianjin 301700, China.
Objective: To study the chemical constituents of Eriophyton wallichii.
Method: Compounds were separated and purified by column chromatographic methods, and their structures were elucidated by spectroscopic methods.
Result: Eight phenylpropanoids were isolated and identified as martynoside (1), leucosceptoside A (2), citrusin B (3), (+)-dehydrodiconiferyl alcohol-4, 9-beta-D-glucopyranoside (4), liriodendrin (5), velutinoside 11[ (6), jionoside B, (7), stachysoside D (8), respectively.
[Studies on chemical constituents of Eriophyton wallichii].
Zhongguo Zhong Yao Za Zhi
May 2007
Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
Objective: To study the chemical constituents of Eriophyton wallichii.
Method: The constituents were isolated and purified by silica gel column and Sephadex LH-20 chromatography. Their structures are elucidated by physicochemical properties and spectral analysis.
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