Quality maintenance mechanism of oxalic acid treatment in fresh-cut apple fruit during storage based on nontarget metabolomics analysis
文献类型： 外文期刊
作者： Wang, Wenliang 1 ; Cao, Ziming 1 ; Hou, Furong 1 ; Shi, Junyan 1 ; Jiao, Jian 2 ; Chen, Leilei 1 ; Gong, Zhiqing 1 ; Wang, Yansheng 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Key Lab Agroprod Proc Technol Shandong Prov, Key Lab Novel Food Resources Proc,Minist Agr & Rur, Jinan 250100, Shandong, Peoples R China
2.Henan Agr Univ, Coll Hort, Zhengzhou 450046, Henan, Peoples R China
3.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, 202 Gongye North Rd, Jinan 250100, Shandong, Peoples R China
关键词： Oxalic acid; Fresh-cut apples; Browning; Metabolomics; Storage quality
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2024 年 436 卷
页码：
收录情况： SCI
摘要： A complicated storage reaction mechanism will occur during the storage period in fresh-cut apples, and oxalic acid could physiologically modify the flesh tissue to achieve preservation purposes. This study revealed the storage quality regulation mechanism treated with oxalic acid (3 mmol & sdot;L- 1) in fresh-cut apples through nontarget metabolomics and physiological analyses. It was discovered that oxalic acid could enhance the antioxidant enzymes activities, i.e. superoxide dismutase, catalase, glutathione reductase, etc., contents of soluble solids, total phenolic and reducing sugar, postpone the enhancement of hydrogen peroxide and superoxide anion, and defer the decrease of titratable acid, hardness and total antioxidant capacity. 427 differentially expressed metabolites were identified by nontarget metabolomics. Among them, mainly involved in glycerol ester metabolism, phenylalanine metabolism, starch and sucrose metabolism, etc. were up-regulated treated with oxalic acid. In summary, oxalic acid could enhance the antioxidant properties and regulate metabolite synthesis, leading to delayed quality deterioration of fresh-cut apples.
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