Hosta

by | Mar 16, 2018 | Hosta

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Cremastra appendiculata is an orchid species in the genus Cremastra. It is the type species of its genus.

There two subspecies:

  • Cremastra appendiculata var. appendiculata - Taiwan, Tibet, Yunnan, Bhutan, Assam, Nepal, Japan, Korea, Thailand, Vietnam
  • Cremastra appendiculata var. variabilis (Blume) I.D.Lund - Kuril, Sakhalin, Japan, Korea, Thailand, Vietnam, Anhui, Chongqing, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shanxi, Sichuan, Zhejiang

5,7-Dihydroxy-3-(3-hydroxy-4-methoxybenzyl)-chroman-4-one, a homoisoflavanone extracted from C. appendiculata, has anti-angiogenic activities and inhibits UVB-induced skin inflammation through reduced cyclooxygenase-2 expression and NF-?B nuclear localization.[1][jargon]

References

  1. ^ Homoisoflavanone inhibits UVB-induced skin inflammation through reduced cyclooxygenase-2 expression and NF-?B nuclear localization. Seulgi Hur, Yun Sang Lee, Hyun Yoo, Jeong-Hee Yang and Tae-Yoon Kim, Journal of Dermatological Science, September 2010, Volume 59, Issue 3, Pages 163–169, doi:10.1016/j.jdermsci.2010.07.001

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