UDHI EKO HERNAWAN!, AHMAD DWI SETYAWAN!!
Jurusan Biologi FMIPA UNS Surakarta 57126.
Korespondensi: udhi_z@myquran.com, biodiv@uns.ac.id. Tel./Faks. +6271-663375.
Diterima: 14 Januari 2003. Disetujui: 28 Pebruari 2003.
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Abstract. Ellagitannin is one of the bioactive groups produced by some of medicinal plants. Ellagitannin is a hydrolysable
tannin compound biosynthesized via shikimic acid – gallic acid – pentagalloilglucose pathway. Ellagitannin can be isolated
by cascade extraction procedures followed by column chromatography method and preparative HPLC method. The
biological activities of ellagitannin are caused by molecular bond between ellagitannin and some other compound,
especially protein that makes complex compound and changes physiological processes in cells or tissues of the living-thinks. Biological activities of ellagitannin included anti-diabetic, anti-microbes, anti-viruses, anti-hypertension, anti-oxidative, and anti-cancer or anti-tumor.
Key words: ellagitannin, biosynthesis, isolation, extraction, biological activities.
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