Abstract：
:A method for simultaneously separating six arsenic (As) species was established by ultrasound-assisted extraction-anion exchange chromatography coupled with inductively coupled plasma mass spectrometry. Six As species could be well separated within 15 min when 0.3 M acetic acid and 25 mM NH4H2PO4 were used as the extraction solvent and mobile phase, respectively. Under optimized conditions, the limits of detection and recovery of As species and the relative standard deviation were in the ranges of 0.31-0.59 μg/L, 94.30-102.75%, and 1.63-3.72%, respectively. Furthermore, the established method was successfully applied to fresh Shiitake (Lentinus edodes) mushrooms and processed products. The inorganic As contents of all samples ranged from 0.204 to 0.500 mg/kg, half of samples (>0.400 mg/kg) were close to the maximum contaminant level allowed by the Chinese (0.5 mg/kg). The health risk index estimation results indicated that no particular risk of As exposure to Chinese consumers existed in L. edodes.
journal_name
Food Chemjournal_title
Food chemistryauthors
Chen S,Yuan B,Xu J,Chen G,Hu Q,Zhao Ldoi
10.1016/j.foodchem.2018.04.036subject
Has Abstractpub_date
2018-10-01 00:00:00pages
134-141eissn
0308-8146issn
1873-7072pii
S0308-8146(18)30650-2journal_volume
262pub_type
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