Abstract：
:This study was aimed to verify the regional traceability of Agaricus bisporus mushroom using unique δ13C, δ15N, δ18O, and δ34S features combined with chemometric approaches. Ten cultivars from 15 mushroom farms in six regions of Korea were measured their isotopic signatures by stable isotope ratio mass spectrometer. The δ13C, δ15N, δ18O, and δ34S values were significantly different among mushrooms collected from six cultivation regions (P < 0.05). Multi-dimensional plots including the δ15N and δ34S values demonstrated clear regional discrimination of the Saedo and Saehan cultivars produced from Buyeo, Nonsan, Eumseong, Boryeong, or Gyeongju. Partial least-squares discriminate analysis models showed good discrimination for Saedo (Rx2 = 0.798 and Q2 = 0.563) and Saehan (Rx2 = 0.819 and Q2 = 0.894). These preliminary results can extend knowledge of regional isotope signatures in A. bisporus mushroom produced in Korea, contributing to accurate geographical authenticity with potential broader applications for the international mushroom market.
journal_name
Food Chemjournal_title
Food chemistryauthors
Chung IM,Han JG,Kong WS,Kim JK,An MJ,Lee JH,An YJ,Jung MY,Kim SHdoi
10.1016/j.foodchem.2018.04.138subject
Has Abstractpub_date
2018-10-30 00:00:00pages
92-100eissn
0308-8146issn
1873-7072pii
S0308-8146(18)30787-8journal_volume
264pub_type
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