Sains Malaysiana 32: 121-129 (2003) Sains Hayat /
Life Science
Chemotaxonomic Survey of Malaysian Mimosa Species
Umi Kalsom Yusof, Faridah Abdullah, Noriha Abdullah
Department of Biology
Faculty of Science and Environmental Studies
Universiti Putra Malaysia
43000 UPM Serdang, Selangor D.E. Malaysia
Khairuddin Itam & Baki Bakar
Institute of BioScience
Universiti Malaya
50603 Kuala Lumpur, Malaysia
Mohd. Aspollah Sukari
Department of Chemistry
Faculty of Science and Environmental Studies
Universiti Putra Malaysia
43400 UPM Serdang, Selangor D.E. Malaysia
ABSTRACT
Flavonoids of four Malaysian Mimosa species were analysed. Quercetin 7-methyl ether was found in all four Mimosa species, kaempferol, apigenin and acacetin were detected in M. pigra and M. invisa Orientin was the only flavone C-glycosides detected in M. pudica. Both M. pigra and M. invisa synthesized quercetin 3-rhamnoside, quercetin 3-rutinoside, quercetin 3, 7-dirhamnoside, kaempferol 3-rhamnoside, kaempferol 3,7-dirhamnoside and luteolin 7-arabinoside. Flavonoid patterns of M. pudica differs from M. longihirsuta as the former species synthesized kaempferol 7-rutinoside and kaempferol 3-glucoside-7-rhamnoside, and the latter species produced quercetin 3-glucoside-7-rhamnoside.
ABSTRAK
Sebatian flavonoid daripada empat spesies Mimosa telahpun dianalisiskan. Kuersetin 7-metil eter telah ditemui dalam keempat-empat spesies Mimosa, manakala kaemferol, apigenin dan akasetin telah dikesan kehadirannya di dalam M. pigra dan M. invisa Flavon C-glikosida iaitu orientin pula hanya ditemui dalam M. pudica. Kedua-dua M. pigra dan M. in visa menghasilkan kuersetin 3-ramnosida, kuersetin 3-rutinosida, kuersetin 3,7-diramnosida, kaemferol 3-ramnosida, kaemferol 3, 7-diramnosida dan luteolin 7-arabinosida. Corak flavonoid dari M. pudica berbeza daripada M. longihirsuta kerana M. pudica menghasilkan kaemferol 7-rutinosida dan kaemferol 3-glukosida-7ramnosida, manakala M. longihirsuta menghasilkan kuersetin 3-glukosida-7-ramnosida.
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