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Effect of modified atmosphere packaging on storage quality and lignification process of postharvest asparagus (Asparagus officinalis L.)

文献类型： 外文期刊

作者： Li, Yangyang 1 ; Wang, Yue 1 ; Liu, Junping 1 ; Yu, Kaibo 1 ; Chen, Xiaowei 1 ; Yuan, Linfeng 2 ; Peng, Shengfeng 1 ; Liu, Wei 1 ; Zhou, Lei 1 ;

作者机构： 1.Nanchang Univ, State Key Lab Food Sci & Resources, Nanchang 330047, Peoples R China

2.Jiangxi Acad Agr Sci, Inst Agr Prod Proc, Nanchang 330200, Jiangxi, Peoples R China

3.Nanchang Univ, Int Inst Food Innovat Co Ltd, Nanchang 330200, Peoples R China

关键词： Modified atmosphere packaging; High oxygen; Asparagus; Lignification; Antioxidant ability

期刊名称：FOOD PACKAGING AND SHELF LIFE （ 影响因子：10.6； 五年影响因子：9.8 ）

ISSN： 2214-2894

年卷期： 2025 年 51 卷

页码：

收录情况： SCI

摘要： Asparagus (Asparagus officinalis L.) often deteriorates due to intense metabolism that leads to excessive lignification and spoilage. Modified atmosphere packaging (MAP) is beneficial for the preservation of asparagus. In the study, postharvest asparagus was divided into four groups: perforated plastic bags (CK), air MAP (A-MAP), highoxygen MAP (H-MAP) and low-oxygen MAP (L-MAP). Changes in physicochemical quality, lignification and antioxidant capacity were assessed to determine the optimal treatment group. All MAP groups reduced weight loss and microbial proliferation in asparagus, with H-MAP group best preserving sensory quality. H-MAP decreased lignin accumulation by 20.52 %, which was also reflected in the alleviation of asparagus hardening. Thinner sclerenchyma and fewer vascular bundles were also observed through fluorescence microscopy in HMAP group. That was attributed to suppressed phenylalamine ammonia-lyase (PAL) and peroxidase (POD) activities that regulated phenylpropanoid metabolism and lignin polymerization. Moreover, CK and A-MAP groups experienced peroxidation, leading to quality deterioration. H-MAP and L-MAP provided early stress protection and later enhanced reactive oxygen species (ROS) clearance, and H-MAP showed the most significant effect. At the end of the storage period, the malonaldehyde (MDA) content of H-MAP group was 2.23 mu mol/g (69.04 % of CK group). Therefore, H-MAP offered benefits in preserving the quality of postharvest asparagus by inhibiting lignification and enhancing antioxidant capacity. Future research will focus on further optimization within the H-MAP to determine the optimal ratio of O2 and CO2, and employ omics approaches to elucidate the underlying mechanisms, thereby making it a promising commercial storage solution.

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