Polysaccharide was extracted from Acrocarpus fraxinifolius Wight. seeds yielded a water soluble sugar as D-galactose and D-mannose in 1:3 molar ratio. Polysaccharide upon partial acid hydrolysis affords mainly 3 disaccharides and one trisaccharide as: (I) α-D-galactopyranosyl-(1→6)-O-α-Dmannopyranose, (II) α-D-mannopyranosyl-(1→6)-O-α-D-mannopyranose, (III) β-D-galactopyranosyl(1→4)-Oβ-D-mannop...

Dunalianosides A-I (1-9), esters of arbutin and related phenolic glucosides, were isolated from the buds of Vaccinium dunalianum Wight (Ericaceae) together with 20 known compounds, and their structures were established on the basis of 1- and 2D NMR spectroscopic evidence. Dunalianosides F-H were dimers of p-hydroxyphenyl 6-O-trans-caffeoyl-beta-D-glucopyranoside (10). The latter was obtained in...

amount of tripping?to the Isle of Wight, the New Forest, Salisbury, Porchester and so forth? could be accomplished. A fair proportion of the j hard-worked doctors, who frequent these meetings, make the occasion their annual holiday, and accompanied by wives and daughters manage to imbibe a good deal of fresh air, and forget the toils and worries of practice amidst beautiful scenery and in the e...

At the Electronics Lab of the Swiss Federal Institute of Techology (ETH) in Zurich, the high performance Parallel Supercomputer MUSIC (MUlti processor System with Intelligent Communication) has beed developed. As applications in neural network simulation and molecular dynamics show, the Electronics Lab Supercomputer is absolutely on a par with those of conventional supercomputers, but electric ...

Chemical investigation on the roots of Cudrania fruticosa resulted in the isolation of two new xanthones, 1,6,7-trihydroxy-2-(1,1-dimethyl-2-propenyl)-3-methoxyxanthone (1) and 3,6,7-trihydroxy-1-methoxyxanthone (2), together with three known ones, 1,3,5-trihydroxy-4-(3-hydroxy-3-methylbutyl)xanthone (3), 1,3-dihydroxy-6,7-dimethoxyxanthone (4) and 3,5,6-trihydroxy-1-methoxyxanthone (5), respec...

The petroleum ether, chloroform, acetone, methanol and aqueous extracts of the aerial parts of Leptadenia reticulata Wight and Arn. (Asclepiadaceae) were studied for in vitro antifungal activity against Aspergillus flavus, Aspergillus ruantti, Candida tropicalis, Candida albicans, Trichodermata viride and Trichodermata koningii respectively. The methanolic extract exhibited prominent antifungal...