Geographical origin verification of Crocus sativus L. grown using "two-segment" cultivation
文献类型： 外文期刊
作者： Tian, Jing 1 ; Yang, Jian 3 ; Li, Chunlin 2 ; Li, Yuan 6 ; Shao, Shengzhi 2 ; Zhu, Sibei 2 ; Mei, Hanyi 2 ; Zhang, Yongzhi 2 ; Jiang, Chenzhou 6 ; Rogers, Karyne M. 2 ; Nie, Jing 2 ; Yuan, Yuwei 1 ;
作者机构： 1.Qinghai Univ, Coll Agr & Anim Husb, Xining 810016, Peoples R China
2.Zhejiang Acad Agr Sci, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China
3.China Acad Chinese Med Sci, Natl Resource Ctr Chinese Mat Med, State Key Lab Dao Di Herbs Breeding Base, Beijing 100700, Peoples R China
4.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, Hangzhou 310021, Peoples R China
5.Minist Agr & Rural Affairs China, Key Lab Informat Traceabil Agr Prod, Hangzhou 310021, Peoples R China
6.Anpel Lab Technol Shanghai Inc, Shanghai 201600, Peoples R China
7.Zhejiang Univ Technol, Coll Pharmaceut Sci, Hangzhou 310014, Peoples R China
8.Natl Isotope Ctr, GNS Sci, Lower Hutt 5040, New Zealand
关键词： Crocus sativus L.; Stable isotopes; Two -segment cropping system; Geographical origin
期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.9； 五年影响因子：6.0 ）
ISSN： 0926-6690
年卷期： 2024 年 215 卷
页码：
收录情况： SCI
摘要： Two-segment cultivation has recently been adopted to increase vegetative propagation and flower production of Crocus sativus in some Asian countries. Crocus sativus flowers (petals and stigmas) from Hangzhou (Jiande saffron with a geographical indication or GI status) and relocated daughter Crocus sativus corms from Shanghai (an origin without GI status) were investigated using stable isotopes (delta C-13, delta N-15, delta H-2, delta O-18) and elemental concentrations (%C and %N). Results showed that delta C-13, delta N-15, and delta O-18 of stigma and petal samples from daughter corms originating from Hangzhou and Shanghai had significant differences between the two regions (p < 0.001), even though the Shanghai origin daughter corms were harvested in Hangzhou. Furthermore, the delta N-15 values of stigmas and petals had a significant correlation (p<0.05, r = 0.566), but corresponding delta C-13 and delta H-2 values did not show a correlation (p>0.05). Finally, supervised PLS-DA pattern recognition models effectively discriminated stigmas and petals from crocus corms originating from the two locations. This research provides a globally-applicable mechanism to identify imposter GI Crocus sativus transferred from a non-GI origin before flowering and will enhance trust within the saffron industry.
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