Geographical origin differentiation of saffron spice (Crocus sativus L. stigmas) - Preliminary investigation using chemical and multi-element (H, C, N) stable isotope analysis

被引：78

作者：

Maggi, Luana ^{[1
]}

Carmona, Manuel ^{[1
]}

Kelly, Simon D. ^{[2
]}

Marigheto, Niusa ^{[3
]}

Alonso, Gonzalo L. ^{[1
]}

机构：

[1] Univ Castilla La Mancha, Catedra Quim Agr, ETSI Agron, Albacete 02071, Spain

[2] Food & Environm Res Agcy, York YO41 1LZ, N Yorkshire, England

[3] Inst Food Res, Norwich NR4 7UA, Norfolk, England

来源：

FOOD CHEMISTRY | 2011年 / 128卷 / 02期

关键词：

Saffron; Geographical origin; Isotopic analysis; Chemical analysis; QUALITY-CONTROL; AMINO-ACIDS; IDENTIFICATION; PICROCROCIN; EXTRACTION; FERTILIZER; MIGRATION; FRACTION; MS;

D O I：

10.1016/j.foodchem.2011.03.063

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A preliminary study of the bulk hydrogen, carbon and nitrogen stable isotope composition of 28 authentic saffron samples produced from Crocus sativus L. cultivated in the typical production areas of Western Macedonia in Greece (8), Khorasan Province in Iran (7), Sardinia in Italy (6) and Castilla-La Mancha in Spain (7) is described. A chemical characterisation of 16 key quality parameters was also completed on the same samples by UV-Vis, HPLC and GC analyses. Multivariate analysis of the data revealed that 60.7% of saffron samples could be correctly assigned to their respective production countries using the chemical parameters. However, the combined bio-element stable isotope data reliably classified 100% of the saffron samples according to their respective geographical origins using posterior cross validation. Further work is required to establish the long-term stability of these models with respect to different years of production and other major producers such as India and Morocco. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：543 / 548

页数：6

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