title: Survey of arsenic and its speciation in rice products such as breakfast cereals, rice crackers and Japanese rice condiments.
abstract: Rice has been demonstrated to be one of the major contributors to arsenic (As) in human diets in addition to drinking water, but little is known about rice products as an additional source of As exposure. Rice products were analyzed for total As and a subset of samples were measured for arsenic speciation using high performance liquid chromatography interfaced with inductively coupled plasma-mass spectrometry (HPLC-ICP-MS). A wide range of rice products had total and inorganic arsenic levels that typified those found in rice grain including, crisped rice, puffed rice, rice crackers, rice noodles and a range of Japanese rice condiments as well as rice products targeted at the macrobiotic, vegan, lactose intolerant and gluten intolerance food market. Most As in rice products are inorganic As (75.2-90.1%). This study provides a wider appreciation of how inorganic arsenic derived from rice products enters the human diet.
authors.affiliation: Research Center for Eco-Environmental Sciences, the Chinese Academy of Sciences, Beijing 100085, China.
authors.forename: Guo-Xin
authors.initials: GX
authors.lastname: Sun
authors.forename: Paul N
authors.initials: PN
authors.lastname: Williams
authors.forename: Yong-Guan
authors.initials: YG
authors.lastname: Zhu
authors.forename: Claire
authors.initials: C
authors.lastname: Deacon
authors.forename: Anne-Marie
authors.initials: AM
authors.lastname: Carey
authors.forename: Andrea
authors.initials: A
authors.lastname: Raab
authors.forename: Joerg
authors.initials: J
authors.lastname: Feldmann
authors.forename: Andrew A
authors.initials: AA
authors.lastname: Meharg
mesh_terms: D001151:Arsenic / Q000032:analysis*; D001152:Arsenicals / Q000032:analysis*; D002851:Chromatography, High Pressure Liquid; D003212:Condiments / Q000032:analysis; D002523:Edible Grain / Q000737:chemistry; D005504:Food Analysis; D006801:Humans; D013058:Mass Spectrometry; D012275:Oryza / Q000737:chemistry*
chemical_list: D001152:Arsenicals; D001151:Arsenic