Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.foodchem.2021.129535
Title: Nutritional metabolites in Brassica rapa subsp. chinensis var. parachinensis (choy sum) at three different growth stages: microgreen, seedling and adult plant.
Authors: ZOU LI 
TAN WEE KEE 
DU YUANYUAN 
LEE HUI WEN 
LIANG XU 
LEI JIAJIA 
STRIEGEL LISA
WEBER NADINE
RYCHLIK MICHAEL
ONG CHOON NAM 
Keywords: Metabolic shift
Developmental stages
Green leafy vegetables
Lipid and water soluble vitamins
Glucosinolates
Issue Date: 11-Mar-2021
Publisher: Elsevier B.V.
Citation: ZOU LI, TAN WEE KEE, DU YUANYUAN, LEE HUI WEN, LIANG XU, LEI JIAJIA, STRIEGEL LISA, WEBER NADINE, RYCHLIK MICHAEL, ONG CHOON NAM (2021-03-11). Nutritional metabolites in Brassica rapa subsp. chinensis var. parachinensis (choy sum) at three different growth stages: microgreen, seedling and adult plant.. Food Chemistry 357 : 129535. ScholarBank@NUS Repository. https://doi.org/10.1016/j.foodchem.2021.129535
Rights: Attribution-NoDerivatives 4.0 International
Abstract: Choy sum is a commonly consumed Asian green leafy brassica vegetable. A comprehensive spectrum of nutritional important metabolites, including amino acids, plant sugars, essential minerals, vitamins (A, B9, E, and K1) and glucosinolates were systematically quantified using LC-QQQ-MS, GC-QQQ-MS and ICP-MS. Significant metabolic profile shifts were observed during the three major developmental stages (microgreen, seedling and adult) studied. Primary metabolites, especially essential amino acids decreased while most plant sugars increased from microgreens to seedlings. Carotenoids, such as violaxanthin, neoxanthin, together with vitamin K1 were higher in the seedlings whereas CHO-folate vitamers and -cryptoxanthin were much lower in adult plants. Most essential minerals were concentrated in the microgreens, while sodium increased in adult plants. Aliphatic glucosinolates in microgreens were converted to indolic glucosinolates in the seedlings and further to aromatic glucosinolates in the adults. Overall findings reveal that most of the nutritional metabolites were concentrated either in the microgreens or seedlings.
Source Title: Food Chemistry
URI: https://scholarbank.nus.edu.sg/handle/10635/190340
DOI: 10.1016/j.foodchem.2021.129535
Rights: Attribution-NoDerivatives 4.0 International
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