Study of antimicrobial activities of Alpinia galanga
2000
Shaida Fariza, S. | Siti Nurdijati, B. | Chan, L.K.
Alpinia galanga (lengkuas), a species in the family of Zingiberaceae, is highly reputed for its medicinal properties. Many antimicrobial tests have been conducted on this species and results have shown that several diterpenes isolated from the rhizome of this species is responsible for the positive effect. Based on sensory evaluation, A. galanga is said to have a more woody, minty and floral aroma quality than ginger. 1'-acetoxy chavicol acetate has been identified as the aromatic constituent of this species. This compound has also been found to inhibit tumour promoters and is a potential insecticide. The aim of our study is to increase the production of bioactive compounds, especially 1'-acetoxy chavicol acetate and diterpenes, from A. galanga cell culture. This would be useful for the pharmaceutical, aromatherapy, flavouring and perfume industries. This paper discusses our preliminary findings. It includes the phytochemical and antimicrobial screening of three species of Alpinia which are locally known as "lengkuas". The in-vitro propagation of A. galanga is also briefly described.
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