The Spectroscopy Study of the Binding of an Active Ingredient of Dioscorea Species with Bovine Serum Albumin with or without Co²⁺ or Zn²⁺

Table 1

The Stern-Volmer quenching constants of DIO with BSA.

	𝑇 (K)	𝐾SV; (×10^4·mol^−1)	𝑘𝑞; (×10^12 L·mol^−1·s^−1)	𝑅^a	S.D.^b
DIO-BSA	291	7.47	7.47	0.9928	0.03
	298	5.23	5.23	0.9947	0.02
	306	4.31	5.23	0.9964	0.01
BSA-DIO-Co^2+	298	7.83	4.31	0.9958	0.02
BSA-DIO-Zn^2+	298	9.58	7.83	0.9923	0.04

^a𝑅 is the correlation coefficient; ^bS.D. is the standard deviation for the 𝐾_SV values.