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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