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Molecules 2016, 21(11), 1475; doi:10.3390/molecules21111475

Effects of Light Intensity on the Growth, Photosynthetic Characteristics, and Flavonoid Content of Epimedium pseudowushanense B.L.Guo

Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China
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Academic Editor: Derek J. McPhee
Received: 7 October 2016 / Revised: 29 October 2016 / Accepted: 2 November 2016 / Published: 4 November 2016
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Abstract

Epimedium pseudowushanense B.L.Guo is used in traditional medicine as an aphrodisiac and to strengthen muscles and bones. Several recent reports have shown that flavonoids from Epimedium also significantly affect the treatment of breast cancer, liver cancer, and leukemia. However, few studies have examined the medicinal-ingredient yield of Epimedium, a light-demanding shade herb, under different light intensities. To investigate the effects of light intensity on medicinal-ingredient yields, Epimedium was exposed to five levels of light intensity until harvest time. Leaf dry biomass under L4 was the highest among different light treatments. L4 was also associated with the highest net photosynthetic rate. Quantification of epimedin A, epimedin B, epimedin C, and icariin showed that L3 produced the highest amount of epimedin C, and that flavonoid content responded to light levels differently. Results indicated that L3 and L4 were the optimal light levels for medicinal-ingredient yield. View Full-Text
Keywords: Epimedium pseudowushanense B.L.Guo; light intensity growth; photosynthetic characteristics; flavonoid content; medicinal-ingredient yield Epimedium pseudowushanense B.L.Guo; light intensity growth; photosynthetic characteristics; flavonoid content; medicinal-ingredient yield
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Pan, J.; Guo, B. Effects of Light Intensity on the Growth, Photosynthetic Characteristics, and Flavonoid Content of Epimedium pseudowushanense B.L.Guo. Molecules 2016, 21, 1475.

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