نتایج جستجو برای: alpinia galanga
تعداد نتایج: 867 فیلتر نتایج به سال:
Psoriasis is a chronic inflammatory skin disorder characterized by rapid proliferation of keratinocytes and incomplete keratinization. Discovery of safer and more effective anti-psoriatic drugs remains an area of active research at the present time. Using a HaCaT keratinocyte cell line as an in vitro model, we had previously found that ethanolic extracts from three Thai medicinal herbs, namely ...
Methanolic and ethyl acetate extract of A. galanga showed significant central nervous system (CNS) stimulant activity in mice using actophotometer and rotarod test. CNS stimulation at a dose of 500 mg/kg was comparable with standard drugs caffeine and amphetamine derivative modalart. The extracts did not shown any depressant effect in forced swim or tail suspension tests. It can be concluded th...
The rhizomes of Alpinia pahangensis yielded a new bis-labdanic diterpene for which the name pahangensin C (1) was proposed along with twelve known analogues (2-13). The structure of 1 was elucidated via spectroscopic methods including 1D and 2D NMR techniques and LCMS-IT-TOF analysis. Compounds 2 and 12 were isolated for the first time from the genus Alpinia. This is the second occurrence of co...
The pH, objective color and antimicrobial efficacy of Alpinia galanga (Linn.) Swartz Flower Extract (GFE) in a ready-to-eat turkey ham product inoculated with Listeria monocytogenes and Staphylococcus aureus were evaluated. Ham treatments included positive control (inoculated with Listeria monocytogenes and Staphylococcus aureus cocktail only), 0.5% GFE incorporated into meat batter prior to co...
In our continuing study of biologically active natural products from the fruit of Alpinia galanga (Zingiberaceae), we newly isolated three new labdane-type diterpenes, termed galangalditerpenes A-C (1-3), along with four known sesquiterpenes (4-7) and two diterpenes (8 and 9). The stereostructures of 1-3 were elucidated on the basis of their spectroscopic properties. The melanogenesis inhibitor...
Dual choice bioassays were used to evaluate the antifeedant property of essential oil and methanolic extract of Alpinia galanga (L.) (locally known as lengkuas) against two species of termites, Coptotermes gestroi (Wasmann) and Coptotermes curvignathus (Holmgren) (Isoptera: Rhinotermitidae). A 4-cm-diameter paper disc treated with A. galanga essential oil and another treated with either methano...
BACKGROUND In tuberculosis (TB), the steadily increasing bacterial resistance to existing drugs and latent TB continue to be major concerns. A combination of conventional drugs and plant derived therapeutics can serve to expand the antimicrobial spectrum, prevent the emergence of drug resistant mutants and minimize toxicity. Alpinia galanga, used in various traditional medicines, possesses broa...
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