A library of the life sciences, kept open.

Acute toxicities of commercial grade malathion (EC50) on Esomus danricus were determined by static-with-renewal tests and found to be 0.026, 0.022, 0.02 and 0.017 mgl-1 respectively for 24, 48, 72 and 96 hours. During acute toxicity, the normal colour was found to fade, along with copious mucous secretions, irregular, erratic and jerky movements.

The RAPD technique has been successfully used in a variety of taxonomic and genetic diversity studies. The genetic diversity of 19 accessions of Salvadora oleoides collected from different regions of North-West India has been reported in this paper using 16 RAPD primers.

Flavonoids — a group of polyphenolic substances are naturally present in vegetables, fruits, seeds and beverages such as tea and wine. Studies have shown that flavonoid intake is inversely correlated with mortality from coronary heart diseases and myocardial infarction.

A detailed study of chromosomes of two species of Indian inland fish revealed the chromosomal number and type. It describes the relation between the two species. Their peculiar morphological characters have been recorded.

This study was undertaken to evaluate the antioxidants property in the methanolic root extract of Salacia chinensis in streptozotocin (STZ) induced diabetic rats. The methanolic root extract of S. chinensis was administered orally at a dose of 250-mg/kg weight/day (28 days) to STZ-induced diabetic rats.