[PDF] Top 20 Directory UMM :Data Elmu:jurnal:B:Biochemical Systematics and Ecology:Vol28.Issue7.Aug2000:

... Separation and identi " cation of compounds were carried out by CC, PC, TLC and UV-VIS spectroscopy techniques, based on procedures described by Mabry et ...(1970) and by Markham (1982), ... Lihat dokumen lengkap

... populations and survival of a species in the long term (Falk and Holsinger, ...1982) and could ultimately lead to ...within and between populations (House and Bell, 1994; Sonnante et ... Lihat dokumen lengkap

... Many plants synthesize compounds capable of liberating hydrogen cyanide upon hydrolysis (Seigler, 1976; Seigler and Brinker, 1993). This process usually results from the presence of cyanoglycosides or cyanolipids ... Lihat dokumen lengkap

... Lima and Dill, 1989; Kats and Dill, ...Ohsaki and Sato, ...Prokopy and Duan, 1998) and the avoidance of enemies through infochemicals has been documented for a wide range of organisms ... Lihat dokumen lengkap

... feverfew and found that 6-hydroxykaempferol 3,6,4 @ -trimethyl ether (santin) inhibited both pathways of arachidonate metabolism (cyclo-oxygenase and 5-lipoxygenase) with the same high potency and ... Lihat dokumen lengkap

... cognata and prior to Robinson ' s erection of the new genus Chrysolaena we had studied a collection of ...glaucolide B (1), the main sesquiterpene lactone constituent, and small amounts of two C-1 ... Lihat dokumen lengkap

... Flavonoid composition during the ontogenetic cycle was examined in Pyracantha coccinea. The #avonoid pro"les of plants at di!erent ages showed marked di!erences in aerial and hypogeal parts. In the vegetative ... Lihat dokumen lengkap

... isolation and puri " cation is usually glossed over and it is often di $ cult to repeat procedures on the basis of information supplied in ...isolation and puri " cation is, therefore, always ... Lihat dokumen lengkap

... species, and can lead to speciation and introgression (Rieseberg, 1991, 1995; Rieseberg and Brunsfeld, 1992; Rieseberg and Ellstrand, 1993; Ellstrand et ...the ecology and ... Lihat dokumen lengkap

... inheritance and therefore indicating the presence of more than one enzyme in the biosynthesis of trans-sabinene hydrate and cis-sabinene hydrate, respec- ...oil and the known enormous rearrangements ... Lihat dokumen lengkap

... Ptaeroxylon and Cedrelopsis have been grouped together by Styles and Pennington into the Ptaeroxylaceae family due to similarity in their morphology and structure of the secondary ...Rutaceae, ... Lihat dokumen lengkap

... lanceolatum, and A. incisum were isolated and identi"ed for chemotaxonomic ...3,7-O-glycoside and/or kaempferol 3-O-glycoside were found in ...obovatum and A. foreziense, and ... Lihat dokumen lengkap

... Senecioneae and Eupatorieae (Mattocks, 1986). Tussilagin and isotussilagin as well as their C-1 epimers are atypical pyrrolizidine alkaloids because of the presence of a C-3 methyl group and their ... Lihat dokumen lengkap

... needles and soil qualities between two pine plantations (Uverito and Sartenejas) in Venezuela were ...quality, and de"cient in available nitrogen and phosphorus ...mixture, ... Lihat dokumen lengkap

... gel and transported to the lab, thence stored at !203C until the DNA was ...(Doyle and Doyle, 1987) with 1% (w/v) PVP added to the extraction ...Adams and Demeke ... Lihat dokumen lengkap

... cytochrome b gene (Table 1), suggesting that it could be an adequate molecular marquer for phylogeographic studies at this regional ...(deletions and insertions) of peripheric regions of this non-coding ... Lihat dokumen lengkap

... females and males had many components in common, though their propor- tions di!ered (Table 2, ...4a and b). Generally, the twigs and logs without beetles gave sample of much lower ...feed ... Lihat dokumen lengkap

... Pistacia khinjuk, a shrub or a small deciduous tree is widely distributed in Egypt(Sinai), North Iraq, Iran and eastwards to Kashmir. The collected material from the southern mountains of Sinai belongs to P. ... Lihat dokumen lengkap

... nm; B set at 365 $ 40 ...times and UV/VIS spectra with reference ...A and D were supplied by Prof ...megalacantha) and nataloin (from ... Lihat dokumen lengkap

... The dried plant material of each species was extracted with 70% EtOH. Concen- trated extracts were fractionated on polyamide columns using water as eluent then decreasing the polarity by increasing the concentration of ... Lihat dokumen lengkap