Trypsin Digestion Pretreatment of Kelp Samples and the Iodine Speciation Analysis of Iodate, Iodide, MIT, and DIT by HPLC-ICP-MS

Table 5

Effects of enzymatic hydrolysis time on the hydrolysis degree of kelp protein.

Concentration of enzyme (g)	Enzymatic hydrolysis time (h)	Total iodine (μg·L^−1)
0.04	6	383.52
	8	404.90
	10	521.47
	12	523.71