Identification of chickpea (Cicer arietinum) in foods using a novel real-time polymerase chain reaction detection method

被引:0
作者
Nakamura, Kosuke [1 ]
Ishigaki, Takumi [1 ]
Kobayashi, Tomoko [1 ]
Kimata, Shinya [1 ]
Soga, Keisuke [1 ]
Fujii, Uki [1 ,2 ]
Kishine, Masahiro [3 ]
Takabatake, Reona [3 ]
Mano, Junichi [3 ]
Kitta, Kazumi [3 ]
Kawakami, Hiroshi [2 ]
Nishimaki-Mogami, Tomoko [1 ]
Kondo, Kazunari [1 ]
机构
[1] Natl Inst Hlth Sci, Kawasaki Ku, 3-25-26 Tonomachi, Kawasaki, Kanagawa 2109501, Japan
[2] Kyoritsu Womens Univ, Chiyoda Ku, 2-2-1 Hitotsubashi, Tokyo 1018437, Japan
[3] NARO, Food Res Inst, 2-1-12 Kannondai, Tsukuba, Ibaraki 3058642, Japan
关键词
Food analysis; Food composition; Cicer arietinum; Chickpea; Real-time PCR; Food product; Food safety; Allergy; Genetically modified organism; Food label; PCR; RESPONSES; MAIZE; RICE;
D O I
10.1016/j.jfca.2018.04.011
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A novel real-time polymerase chain reaction (PCR) method for detecting chickpea was developed. From homologous sequences of 9-cis-epoxycarotenoid dioxygenase gene (NCED) among leguminous species, chickpea's NCED was cloned, and the Southern-blot analysis showed that NCED is a single copy gene in a haploid genome. Its coding sequences at the 5' terminus were found unique to chickpea and conserved among various chickpea varieties. Developed real-time PCR method targeting the unique sequences was specific to chickpea and had detection limit of approximately 30 copies per a reaction, and applicable for qualitative detection of chickpea in various forms of food products including dried, powdered, retort-packed, canned, fermented and pasted. Our results showed that the developed method enables identification of chickpea in foods.
引用
收藏
页码:8 / 16
页数:9
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