An untargeted metabolomic approach reveals significant postharvest alterations in vitamin metabolism in response to LED irradiation in pak-choi (Brassica campestris L. ssp. chinensis (L.) Makino var. communis Tsen et Lee)
文献类型： 外文期刊
作者： Zhou, Fuhui 1 ; Zuo, Jinhua 1 ; Gao, Lipu 1 ; Sui, Yuan 4 ; Wang, Qing 1 ; Jiang, Aili 2 ; Shi, Junyan 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Beijing Vegetable Res Ctr,Key Lab Vegetable Posth, Minist Agr,Beijing Key Lab Fruits & Vegetable Sto, Key Lab Urban Agr North,Key Lab Biol & Genet Impr, Beijing, Peoples R China
2.Minist Educ, Key Lab Biotechnol & Bioresources Utilizat, Dalian 116600, Peoples R China
3.Dalian Minzu Univ, Coll Life Sci, Dalian 116600, Peoples R China
4.Chongqing Univ Arts & Sci, Inst Special Plants, Coll Landscape Architecture & Life Sci, Chongqing Key Lab Econ Plant Biotechnol, Chongqing 402160, Peoples R China
关键词： Untargeted metabolomic analysis; White LED light irradiation; Postharvest quality; Vitamin metabolism
期刊名称：METABOLOMICS （ 影响因子：4.29； 五年影响因子：4.214 ）
ISSN： 1573-3882
年卷期： 2019 年 15 卷 12 期
页码：
收录情况： SCI
摘要： The main objective of this study was to investigate the effect of low-level light emitting diode (LED) irradiation on the metabolite profile of pak-choi. A total of 633 different molecular features (MFs) were identified among sample groups (initial, dark-treated, light-treated) using an untargeted metabolomic approach. The identified metabolites were associated with 24 different metabolic pathways. Four of the pathways including carbon pool by folate, folate biosynthesis, thiamine metabolism, and glutathione metabolism, all of which are associated with vitaminbiosynthesis, changed significantly. Metabolites in four of the pathways exhibited significant differences from the control in response to LED irradiation. Additionally, porphyrin and chlorophyll metabolism, as well as glucosinolate biosynthesis, riboflavin metabolism, and carotenoid biosynthesis were positively induced by LED irradiation. These results indicate that postharvest LED illumination represents a potential tool for modifying the metabolic profile of pak-choi to maintain quality and nutritional levels.
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