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Effect of water stress on content of active constituents in Erigeron breviscaps / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 1191-1194, 2009.
Article in Chinese | WPRIM | ID: wpr-263072
ABSTRACT
<p><b>OBJECTIVE</b>To study the effect of water stress on the content of scutellarin and caffeate in Erigeron breviscaps.</p><p><b>METHOD</b>Fv/Fm, N content, as well as the content of scutellarin and caffeate under three water grads were measured.</p><p><b>RESULT AND CONCLUSION</b>Fv/Fm of the plant decreased significantly in 8% and 23% water treatment, that proved drought and waterlogging occurred. Under the two conditions, the contents of N were lower but the contents of active constituents were higher than those under 15% treatment. The results support the carbon-nutrient balance hypothesis and the "stress effect hypothesis" for the formation of geo-herbs.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pharmacology / Physiology / Plants, Medicinal / Temperature / Therapeutics / Caffeine / Water / Chemistry / Plant Transpiration / Gene Expression Regulation, Plant Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2009 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pharmacology / Physiology / Plants, Medicinal / Temperature / Therapeutics / Caffeine / Water / Chemistry / Plant Transpiration / Gene Expression Regulation, Plant Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2009 Type: Article