[PDF] Top 20 Directory UMM :Data Elmu:jurnal:B:Biochemical Systematics and Ecology:Vol29.Issue2.Feb2001:

... Cestrum and Solanum (Dictionary of Natural Products, ...1996), and also in other genera of the family Solanaceae (Negrel and Martin, 1984; Pearce et ...(Chaves and Rouque, 1997; Chen et ... Lihat dokumen lengkap

... (Ying and Kubo, 1991), totaradiol (2, 4.1 mg) (Ying and Kubo, 1991), ferruginol (3, ...1983) and yatein (4, ...n-hexane) and 8 (100% EtOAc) a ! orded, respectively, calendin (5, ...1994), ... Lihat dokumen lengkap

... 3 residue (1.3 g) gave 3 (744.9 mg) after a CC eluted with hexane EtOAc 4 : 1. The MeOH residue (6.0 g) gave by CC 3 (1.305 g), jacaranone (5, 65.0 mg) as white crystals, mp 78 } 9 3 (Ogura et al., 1976; Bohlmann et al., ... Lihat dokumen lengkap

... or biochemical pattern types were reported as subspecies or varieties, such as ...(Lebreton and Thivend, 1981; Lebreton, 1983) but treated by Adams et ...origins and a limited number of samples were ... Lihat dokumen lengkap

... All phytochemical analysis on Genista ephedroides have revealed the presence of #avonoids (Pistelli et al., 1998) and quinolizidine alkaloids. In particular, Bernasconi et al. (1965) had identi"ed, only on the ... Lihat dokumen lengkap

... R. lucida was reported as strongly cyanogenic in an extensive survey of Flacourtiaceae by Spencer and Seigler (1985), and later by Burrows et al. (1992). However, the exact nature of the cyanogenic ... Lihat dokumen lengkap

... (jatrophone and its analogues (Kupchan et al., 1970; Taylor et al., 1983) and jatropholones A and B (Purushothaman et ...(jatrophan and gadain (Banerji et al., 1984) and ... Lihat dokumen lengkap

... alkaloids, and structure-activity relationships have shown the N-(methylsuccinimido) anthranoyllycoctonine (MSAL) class of alkaloids to be more toxic than those alkal- oids which do not contain this functional ... Lihat dokumen lengkap

... The various aspects of using secondary plant constituents, chemicals, to classify higher plants is discussed by Harborne (1968). In tea, Camellia spp., di ! erent forms are easily separated on the basis of phenolic ... Lihat dokumen lengkap

... King and Robinson (1987) treated ...ligustrinum and subsequently E. semialatum must be a species of Ageratina and should therefore be named ... Lihat dokumen lengkap

... Hypericin and pseudohypericin, naturally occurring red pigments, have been very intensively ...antidepressive and antiviral activ- ities (Roth, 1990; Weiss, 1991; Bombardelli and Morazzoni, 1995) ... Lihat dokumen lengkap

... Thorecta reticulata Bergquist is a sponge of the family Thorectidae (order Dic- tyoceratida) collected from the Kaikoura Peninsula, New Zealand, by SCUBA at a depth of 20 m. Taxonomic identi " cation was provided by ... Lihat dokumen lengkap

... f. and Thoms. is a shrub found in the forests of Sikkim, Bihar and Asam of India and Bangladesh (Hooker, ...1998 and was identi " ed by ... Lihat dokumen lengkap

... summer and cold continental winter conditions (Morales, 1986, 1989, ...morphological and chemical variability of thyme is as large as the number of environmental conditions displayed (Rivas-Mart m H nez, ... Lihat dokumen lengkap

... a and ` B a ...species B according to their phenotypes at Ccon 12, Ccon 79 and Ccon 70, as none were heterozygous at any of these loci for alleles from each of the two ...2 and those ... 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

... 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

... warty, and the male cone scales have much less prominently produced apices, but as yet we cannot say what the phylogenetic significance of these differences ...horridus, and the only obvious difference ... 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