Preventive effect of sesquiterpenes from bay leaf on blood ethanol elevation in ethanol-loaded rat: structure requirement and suppression of gastric emptying.
The methanolic extract from the leaves of Laurus nobilis (bay leaf, laurel) potently inhibited the elevation of blood ethanol level in ethanol-loaded rat. Through bioassay-guided separation, costunolide, dehydrocostus lactone, and santamarine were isolated as the active constituents and the alpha-methylene-gamma-butyrolactone structure was found to be essential for the preventive effect on ethanol absorption. In addition, the retardation of gastric emptying seemed to be partially involved in the preventive effects.
Matsuda
H
H
Kyoto Pharmaceutical University, Japan.
Shimoda
H
H
Uemura
T
T
Yoshikawa
M
M
D000818:Animals; D000431:Ethanol / Q000097:blood*; D005746:Gastric Emptying / Q000187:drug effects*; D008297:Male; D015394:Molecular Structure; D018515:Plant Leaves / Q000737:chemistry*; D051381:Rats; D017208:Rats, Wistar; D012717:Sesquiterpenes / Q000737:chemistry / Q000494:pharmacology*
D012717:Sesquiterpenes; D000431:Ethanol