ACTIVIDAD ANTIoXIDANTE DE TRES ECoTIPoS DE MACA (LEpIDIUM MEYENII wALp) TRATADA CoN RADIACIÓN GAMMA

Content Provider	Semantic Scholar
Author	Carrión, Johana León, Kety Santiago, Julio
Copyright Year	2009
Abstract	Various doses (0-20 kGy) of gamma radiation have been applied to samples of maca (Lepidium meyenii walp) flour, yellow, white and purple ecotypes, to decontaminate them. The gamma radiation dose required to eliminate the aerobic mesophiles was 12-15 kGy while it was necessary to applied 1-8 kGy to kill fungi, depending on the ecotype of Maca. We have determined the antioxidant activity of the irradiated samples by the method of neutralization of DPPH radical. IC50 values of the studied samples indicate that gamma radiation does not substantially alter the antioxidant activity of aqueous extracts of maca yellow, white and purple. In contrast, the antioxidant activity of hydroalcoholic extracts of irradiated maca yellow decrease sharply, but not the other ecotypes.
Starting Page	72
Ending Page	77
Page Count	6
File Format	PDF HTM / HTML
Volume Number	12
Alternate Webpage(s)	http://sisbib.unmsm.edu.pe/Bibvirtual/publicaciones/ing_quimica/v12_n2/pdf/a11v12.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article