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

Table 2

Iodide, MIT, and DIT concentrations released by ultrasound-assisted enzymatic hydrolysis with different enzymes.

	I^–b (μg L^−1)	MIT^b (μg L^−1)	DIT^b (μg L^−1)
Trypsin	3159.21	156.36	—^a
Pancreatin	3522.03	—^a	—^a
Protamex	2743.01	77.27	—^a
Neutral protease	2931.74	—^a	—^a

^aUndetected; ^bdetermined by HPLC-ICP-MS.