[PDF] Top 20 Directory UMM :Data Elmu:jurnal:B:Biochemical Systematics and Ecology:Vol29.Issue1.Jan2001:

... Compositae) and also from other plant families (Dictionary of Natural Products, ...systematic and evolutionary studies, the chemotaxonomic importance of the # avonoids (1 } 3) reported here deserves ... Lihat dokumen lengkap

... PT-2 and PT-3 in muscle tissue. The products of GPI-2 and PT-3 were absent in ...PT-2 and -3 are di ! erent alleles of the same locus, the large separation distance between the bands suggests that ... Lihat dokumen lengkap

... processes and because speciation is not always accompanied by clear-cut morphological di ! erences, some problems persists in classi " cation and phylogeny of echinoids (Jensen, ...cally and ... Lihat dokumen lengkap

... 74 and 75) were associated with the sabinene/linalool chemotype, but were distinguished by the presence of (E)-b-ocimene in appreciable ...of b-pinene at an appreciable content. The samples no. 89 ... Lihat dokumen lengkap

... lemon and carvacrol (phenol) odours were collected in one location and investigated by GC, GC/MS and ...lemon and carvacrol odour belong to corresponding known citral}geraniol and ... Lihat dokumen lengkap

... 4a and the consensus tree found in ...morphologies and have never been suggested as closely related by any other data ...chemical data with other sources of data will provide a larger ... Lihat dokumen lengkap

... Fresh leaves or #owers were extracted in ethanol, and the total alkaloids (free bases # N-oxides) were puri " ed according to Trigo et al. (1996). To verify the occurrence of more polar alkaloids, which might ... Lihat dokumen lengkap

... 18 preparative column, eluted with a gradient * water : acetonitrile : 0.1% TFA in acetonitrile " 80 : 10 : 10 } 20 : 70 : 10 in 25 min, 55 ml/min, detection at 205 nm) of the # ash fraction 7 (75% EtOAc in n ... 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

... 2 Cl 2 extract of leaves and stems of R. pubescens (0.97 kg) provided 9 fractions (1000 ml each). Flash fractions 2 (10% EtOAc in n -hexane) and 5 (40% EtOAc in n -hexane), respectively, a ! orded emodin ... Lihat dokumen lengkap

... States Biochemical), heated to 94 3 C for 2 min and immersed in ice water before application to a sequencing gel (6% 19 : 1 acrylam- ide:bis-acrylamide, 7 M ...size and sequence were determined from ... Lihat dokumen lengkap

... The dried, powdered plant material (725 g) was exhaustively extracted with dichloromethane and then with methanol in a Soxhlet apparatus. 94 g of the methanolic extract was puri"ed as previously described ... Lihat dokumen lengkap

... aristolactam B-II, all these aritolactams are reported from the genus U v aria, for the " rst time, while piperolactam C and aristoalctam A-III are the " rst and second record, respectively, ... Lihat dokumen lengkap

... sesterterpenes and the carotenoid thorexanthin from ...1991), and a linear sesterterpene and a sesquiterpene quinone plus its hydroquinone from ...(Bonny and Capon, ... Lihat dokumen lengkap

... hypericin and pseudohypericin has an important taxonomic value for infrageneric classi"cation of Hypericum * these components are speci"c only for the taxa of more phylogenetically advanced sections ... Lihat dokumen lengkap

... les and taxo- nomic classi " cation. Both discriminant and cluster analyses were performed using SAS program (SAS Institute ...separate and allocate the accessions to the di ! erent ... Lihat dokumen lengkap

... (Segall and Dallas, 1983), senecionine (2, 89.4 mg), mp 235-7 3 (Segall and Dallas, 1983), and retrorsine hydrochloride (1 z HCl, ...combined and puri " ed by CC eluted with hexane-EtOAc 9 ... Lihat dokumen lengkap

... Rica and supplied by Biotics Limited, University of Sussex, Brighton, ...collected, and a voucher specimen (IG85) has been deposited at the herbarium of ... Lihat dokumen lengkap

... (Fernandes-Costa and Cardoso do Vale, 1953}1954; Gil de Meister and Ho!man, 1956; Proenc 7 a da Cuhna et ...Vidrich and Michelozzi, 1993; Falchi Delitala, 1980; Lawrence, ...thujopsene and ... Lihat dokumen lengkap

... Murcia and Alicante, in mountain ranges higher than 1500 m, growing on scarcely developed soils with a varied chemical composition, from calcareous to ...cells, and di!ers from the type subspecies in having ... Lihat dokumen lengkap