determined the degradation rate constant k at 90 C for 5-CH3-H4folate in citrate–phosphate buffer (pH 4) as 115.08 103 min1 and in phosphate buffer (pH 7) as 68.31 103 min1
determined the degradation rate constant k at 90 C for 5-CH3-H4folate in citrate–phosphate buffer(pH 4) as 115.08 103 min1 and in phosphate buffer (pH 7) as 68.31 103 min1