Abstract Title:

Ginseng flowers stimulate progesterone production from bovine luteal cells.

Abstract Source:

J Toxicol Environ Health A. 2006 Aug;69(15):1481-95. PMID: 11154050

Abstract Author(s):

L S Wu, S Y Sheu, C C Huang, C H Chiu, J C Huang, J R Yang, W X Lian, C H Lai, Y P Chen, J H Lin

Article Affiliation:

Department of Animal Science, National Taiwan University, Taipei.


Our previous report first showed evidence that polysaccharides isolated from ginseng leaves obtained from Jilin, China possess luteotropic activities. In this study, we made further investigations on the root and flowers of Korean ginseng by means of the same bioassay system described briefly as follows. Frozen-thawed bovine luteal cells (1 x 10(5) cells/ml/well) in M199 were incubated in 24-well culture plates at 37 degrees C in a 5 % CO2 incubator. Ten microl of tested drugs with 1, 10 and 100 microg/ml were added into each well. After 4- and 24-hr incubation, the media were harvested and assayed for progesterone by an enzyme immunoassay. The production of progesterone from cells is the indicator for evaluating the action of tested drugs. Results showed that hot water extracts ofginseng flowers (GF-1) with 10 to 100 microg/ml significantly increased progesterone production, whereas those from ginseng root (GR-1) could not. Crude polysaccharides (GF-2) isolated from GF-1 is the active component and the small molecules (mw<10,000 dalton) are excluded, indicating that the ginseng root has no luteotropic activities, but the polysaccharides of ginseng flowers have.

Study Type : In Vitro Study

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