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Whey protein influences the concentration of glutathione....

Whey protein influences the concentration of glutathione,Pukacka, S.1, P.M. Pukacki1 , A.M. Zobel2 and M. Furmanowa3 phenolic compounds and flavonoids in Ginkgo biloba leaves, and protects cells from toxic ions


Pukacka, S.1, P.M. Pukacki1 , A.M. Zobel2 and M. Furmanowa3 Whey protein influences the concentration of glutathione,Pukacka, S.1, P.M. Pukacki1 , A.M. Zobel2 and M. Furmanowa3 phenolic compounds and flavonoids in Ginkgo biloba leaves, and protects cells from toxic ions 1 Institute of Dendrology, Polish Academy of Sciences, Parkowa 5, PL 62-035 Kórnik, Poland, E-mail ppukacki@man.poznzn.pl 2 Department of Chemistry, Trent University, Peterborough, ON, Canada K9J 7B8, E-mail azobel@trentu.ca 3Pharmacy Department, Medical University, Banacha 1, 02-974 Warszawa, Poland Glutathione in its reduced form is the ultimate antioxidant within every plant, bacterial and animal cell. It even reduces vitamins C and E, after they have been oxidized during metabolism, back to the beneficial reduced forms. In Ginkgo biloba leaves during the vegetative period (June-October) the concentration of glutathione declined, and thus it can be connected with the aging process. The concentration of glutathione is inversely correlated with that of phenolic compounds, which react as antioxidants in plant cells. There is a difference in glutathione concentration between male and female Ginkgo. When whey protein in the form of Immunocal® was added, even after 3-6 hours the glutathione concentrations increased in comparison to control leaves kept in water. The concentration of glutathione in the tissue culture of Withania varied depending on the concentration of trace elements added to the liquid medium over seven days. We can suggest that glutathione plays a protective role in the cells, mitigating the toxic reaction of ions such as zinc, copper and manganese.


Pukacka, S.1, P.M. Pukacki1 , A.M. Zobel2 and M.



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