The Chemical Composition and Antimicrobial Activlty of Impatiens Tinctffii a Rich
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Date
1981-07
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Addis Ababa Universty
Abstract
The plant Impatiens tinctoria A-Rich grows widely
in Ethiopia. its tubers are traditionall;y used to dye
the palms of nails of women and to treat infections of
the hands and feet.
The methanol extract of I. tinctoria gave dark red
solution which was chromatographically separated to give
trace cnnount of a comp01md which readily dissolves in
benzene ethanol and carbon tetrC\chloride but vms insoluble
in Ivater. Thts compound was characterized by comparing
with stalndard naphthoquinones and the TLC, UV, MS,
LC corresponds with 2-methoxy-l, 4•-naphthoquinono.
is presence of anthocyaniclin and tri terpene ~'IRS
also observed. .,(evie", of the liberature r8v0a1s that 2-
lilethoxy-•l, 4,-naphthoquinone is present in flowers of
I.Balsamina .• Hence, this study adds one more species of
the genus Impatiens to plants that are knolm to contan
2-methoxy-1, 4--naphthoquinone and anthocyanidin.
The methanol extract of I. tinctoria was found to
have an antifungal and antibiotic activity • this extract
inhibited the growth of staph qureus E.coli and candida albjcans at concentration levels of 1:448,1:280 respectively
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Keywords
Tinctoria A. Rich