[PDF] Top 20 Directory UMM :Data Elmu:jurnal:B:Biochemical Systematics and Ecology:Vol29.Issue3.Mar2001:

... To our knowledge, this is the first report on the occurrence of lignans in the Avicenniaceae. The Avicenniaceae comprises only the genus Avicennia which was previously described under the family Verbenaceae. Lignans have ... Lihat dokumen lengkap

... structures, and they have often proved useful for chemotaxonomic purposes (Toma´s-Barbera´n and Gil, ...(Toma´s-Barbera´n and Wollenweber, ...inflorescences), and there is evidence that they, ... Lihat dokumen lengkap

... powdered and extracted with 80% methanol for 24 ...resin and two-way thin layer chromatographic (TLC) examination have been described previously (Blunden et ...mm, and methanol–water (50 : 50) as the ... Lihat dokumen lengkap

... phenolic and phenolic-related traits of the leaves of mountain birch (Betula pubescens ...soluble and cell-wall-bound proanthocyanidins (PAS and PAB, respectively), lignin, protein precipitation ... Lihat dokumen lengkap

... chemotype, and this is in agreement with others (Hendriks et ...acetate, and iso- bornyl acetate were the most frequently found associated compounds ...Forse´n and von Schantz (1971) and Sorsa ... Lihat dokumen lengkap

... groups, and species are usually defined in terms of sets of ...1990) and absence of long- distance dispersal mechanisms for ...leaflets and very glaucous leaves (Dyer, 1965a, ...genus, and ... Lihat dokumen lengkap

... We report here the isolation of 4 triterpenes, 2 triterpene glycosides, 2 anthraquinones, and 2 sterols from the aerial parts of Picramnia sellowii. Ground- dried aerial parts (500 g) of the plant were ... Lihat dokumen lengkap

... In another experiment, 31.5 g of the plant material was extracted three times by overnight treatment with 50% aqueous EtOH. The combined extracts were freeze- dried and the residue subjected to ion-exchange on ... Lihat dokumen lengkap

... swertiajaponin. In the flowers of the above species chromatographically (HPLC, TLC) the presence of kaempferol 3-O-rhamnoside and 3-O-glycosides of kaempferol, quercetin, isoramnetin was revealed. The flavonoids ... Lihat dokumen lengkap

... Kelecom and Teixeira, 1988; Fleury et ...Brazil) and D. cervicornis (Bu´zios and Angra dos Reis, RJ, Brazil), and the observation of its reproductive structures under an optical microscope, ... Lihat dokumen lengkap

... The Tall larkspur site was 46 km west of Ferron, Utah at 3150 m elevation. It is in the subalpine zone with scattered stands of subalpine " r interspersed within the tall forb community. Tall larkspur occurs in ... Lihat dokumen lengkap

... Banerji, J., Das, R., Chatterjee, A., Shoolery, J.N., 1984. Phytochemistry 23, 2323. Chatterjee, A., Das, P.C., Joshi, P.C., Mondal, S., 1994. J. Ind. Chem. Soc. 71, 475. Das, B., Venkataiah, B., ... Lihat dokumen lengkap

... Bernhard and Endress, 1999), a notoriously cyanogenic group consisting of Oncobeae ...l. and Pangieae, and the non-cyanogenic group including mainly Casearieae, Flacourtieae, Homalieae and ... Lihat dokumen lengkap

... (Cupressaceae) and Podocarpus (Podocarpaceae) (Dictionary of Natural Products, ...spermatophytes, and also is not rare in Gymnosperms ...(5) and vomifoliol (6) are of widespread occurrence in the ... Lihat dokumen lengkap

... Injector and detector temperatures 250 and 2803C, respective- ly; oven temperature programmed from 1903C (1 @ ) to 2803C at 53C/min, then 10 @ isothermal conditions at 2803C; carrier gas helium at constant ... Lihat dokumen lengkap

... Leaves and #owers of all populations of P. johannensis and the morphologically related ...(74}93% and 63 } 93%, respectively). On the other hand, in both leaves and # owers of most populations ... Lihat dokumen lengkap

... digestive and to treat snake-bites (Duke, 1999), is widely distributed from Mexico to Argentina (USDA-ARS-GRIN database, ...Rica and supplied by Biotics Limited, University of Sussex, Brighton, ...Grassland ... Lihat dokumen lengkap

... widespread and variable ...Zambia and Mozambique, could be considered a taxonomic intermediate between the southern and northern taxa in this ...low and the UV spectrum could not con"rm ... Lihat dokumen lengkap

... 33C/min and then held isothermal (15 min); injector temperature: 2503C; carrier gas: helium, adjusted to a linear velocity of 30 cm/s; split 1/40; interface temperature: 2503C; MS source temperature: 2303C; MS ... Lihat dokumen lengkap

... 10, and for syringaldehyde, eluted with a gradient, water : acetonitrile : ...LC-MS and NMR data, and also by direct comparison with the respective literature ... Lihat dokumen lengkap