ESR spectra and coordination structures of paramagnetic species in leaves of radish (Kaiware daikon).

Insulin-like effect of vanadyl ion on streptozotocin-induced diabetic rats

“…Both the hyperfine coupling constant, the A,, value, and the universal con¬ stant, the g.. factor, are the parallel components to the magnetic field. Each number in the figure refers to the following systems: 1, aquovanadyl (Frank, Carlson & Hodgson, 1986;Brand, Hawkins & Parry, 1987;Sakurai et al 1987); 2, VO-cysteine at pH 4; 3, VO-cysteine at pH 10; 4, VO-cysteine methyl ester at pH 3; 5, VO-cysteine methyl ester at pH 10; 6, VO-mercaptoethylamine at pH 3; 7, VO-mercaptoethylamine at pH 10; 8, VO-glutathione (Goda et al 1988) at pH 3; 9, VO-glutathione at pH 10; 10, VO-mercaptoethanol at pH 10; 11, VO-dithiothreitol at pH 10; 12, VO-mercaptopropionic acid at pH 10; 13, VO-ascorbicacidatpH3-5; 14, VO-catechol at pH 60; 15, VO-serine atpH3; 16, VO-serine at pH 10-5; 17, VO-threonine at pH 40; 18, VO-threonine at pH 10-5; 19, VO(ATP) at pH 30; 20, VO(ATP) at pH 7-7; 21, VO(ATP) at pH 8-1 ; 22, VO(ATP) at pH 12-1 Sakurai, Goda, Shimomura & Yoshimura, 1982); 23, supernatant of rat liver (Sakurai et al 1980); 24, mitochondria of rat liver (Sakurai et al 1980); 25, radish leaves treated with sodium vanadate (Sakurai & Yoshizawa, 1988); 26, liver of STZ rats; 27, kidney of STZ rats; 28, serum of STZ rats; 29, whole blood of STZ rats; 30, liver homogenate of STZ rats; 31, liver nuclei of STZ rats; 32, liver mitochondria of STZ rats; 33, kidney homogenate of STZ rats; 34, kidney nuclei of STZ rats. profile of change in blood glucose level to that of healthy control rats (Fig.…”