Abstract：
:Rice (Oryza sativa L.) is the world's third largest food crop after wheat and corn. Geographic authentication of rice has recently emerged asan important issue for enhancing human health via food safety and quality assurance. Here, we aimed to discriminate rice of six Asian countries through geographic authentication using combinations of elemental/isotopic composition analysis and chemometric techniques. Principal components analysis could distinguish samples cultivated from most countries, except for those cultivated in the Philippines and Japan. Furthermore, orthogonal projection to latent structure-discriminant analysis provided clear discrimination between rice cultivated in Korea and other countries. The major common variables responsible for differentiation in these models were δ34S, Mn, and Mg. Our findings contribute to understanding the variations of elemental and isotopic compositions in rice depending on geographic origins, and offer valuable insight into the control of fraudulent labeling regarding the geographic origins of rice traded among Asian countries.
journal_name
Food Chemjournal_title
Food chemistryauthors
Chung IM,Kim JK,Lee KJ,Park SK,Lee JH,Son NY,Jin YI,Kim SHdoi
10.1016/j.foodchem.2017.08.023subject
Has Abstractpub_date
2018-02-01 00:00:00pages
840-849eissn
0308-8146issn
1873-7072pii
S0308-8146(17)31341-9journal_volume
240pub_type
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