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Articles by A. K. Singh
Total Records ( 3 ) for A. K. Singh
  M. B. Pandey , A. K. Singh , U. Singh , S. Singh and V. B. Pandey
  A new chalcone glycoside, chalcone-2′,4-dihydroxy-4′-O-β-D-glucoside has been isolated from Rhamnus nipalensis together with sitosterol, lupeol, di-O-methyldaidzein, kaempferol-4′-methylether, quercetin, physcion, sitosterol glucoside, emodin and their structures established by spectroscopic data. Isolation of these compounds are the first report from this plant.
  Luna Jain , M. B. Pandey , Sarita Singh , A. K. Singh and V. B. Pandey
  A new indole alkaloid, N-formylscholarine, together with picrinine, strictamine and nareline has been isolated from the fruit pods of Alstonia scholaris, and their structures were established by various spectral data. This is the first report of these alkaloids in A. scholaris fruit pods.
  A. K. Singh and W.S. Lakra
  Pangasianodon aquaculture is the fastest growing food producing sector of the world. Recent national production of Pangasianodon hypophthalmus in India accounts for 0.7 million tonnes at present. Being influenced by trade and markets, P. hypophthalmus has been introduced to many countries including India. There has been a steady increase in the production of P. hypophthalmus by small and marginal farmers of the country. However, concern has arisen about the long term sustainability due to diseases and its negative impacts on socio-economic aspects and biodiversity. Unregulated culture of P. hypophthalmus has been causing concern to environmental safety and warranting a very cautious and regulated approach to its culture. The standards, protocols and guidelines have been developed to address the issues of sustainability of Pangasianodon catfish production.
 
 
 
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