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Mannose, fructose and glucose were treated in subcritical water at 220°C, and the disappearance of each substrate and formation of other hexoses were observed at various residence times in a tubular r...
Photo-Isomerization of the Nasunin, the Major Eggplant Anthocyanins
FAB-MS α-glucosylrutin glycyrrhizin-NH4
2010/11/23
It was reported that the acyl moieties of acylated anthocyanins with hydroxycinnamic acids were photo-isomerized from the trans- to the cis-isomer by light irradiation. We studied the effects of light...
Photochemical Isomerization of Piperine, a Pungent Constituent in Pepper
pepper Piper nigrum L. piperine photochemical isomerization
2010/11/22
A separation method for piperine and its isomers (chavicine, isochavicine and isopiperine) from a photoirradiated mixture of piperine, in solution and in suspension, by high performance liquid chromat...