Rheum

A plant genus of the family POLYGONACEAE. Members contain chrysophanic acid, rhein, EMODIN, and other ANTHRAQUINONES. The roots were formerly used as… (More)
National Institutes of Health

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2012
2012
In this study, we examined diversification history of Rheum and tested the hypothesis that morphological traits related to plant… (More)
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2012
2012
AIMS Both Rheum palmatum and R. tanguticum are important but endangered medicinal plants endemic to China. In this study, we… (More)
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2012
2012
Specialized bracts are thought to be important for the successful reproduction of some plants and are regarded as adaptations to… (More)
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2010
2010
Rheum tanguticum is an important but endangered traditional Chinese medicine endemic to China. The wild resources have been… (More)
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2009
2009
INTRODUCTION Various species of the genus Rheum (Polygonaceae) are known for their high content of medicinally important… (More)
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2009
2009
Dexamethasone (DEX) is still the main choice for colitis, although the immunosuppressive side effects are still the troublesome… (More)
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2005
2005
BACKGROUND AND AIMS Rheum, a highly diversified genus with about 60 species, is mainly confined to the mountainous and desert… (More)
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2003
2003
The anthraquinones chrysophanol, physcion and emodin, the flavonoids quercetin, 5desoxyquercetin, quercetin 3-0-rhamnoside… (More)
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2002
2002
AIM To determine six effective components (aloe-emodin, rhein, emodin, rhaponticin, physcion and chrysophanol) in Rheum… (More)
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1993
1993
The photosynthetic characteristics of a giant alpine plant, Rheum nobile Hook. f. et Thoms. and of some other alpine species were… (More)
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