Impact of ultrasound on the quality of tender coconut water during storage revealed by LC-MS-based metabolomics, HS-SPME-GC–MS and E-tongue

IF 8.7 1区化学 Q1 ACOUSTICS

Ultrasonics Sonochemistry Pub Date : 2025-03-15 DOI:10.1016/j.ultsonch.2025.107313

Xie Huang , Jing Wei , Cheng Fang , Yanpei Huang , Ming Zhang , Haiming Chen , Weijun Chen , Wenxue Chen , Qiuping Zhong , Jianfei Pei , Ying Lv , Rongrong He , Bei Li

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Abstract

Tender coconut water (TCW) refers to the liquid endosperm of coconut developed in 6–9 months, which is prone to deterioration during postharvest storage. This study explored the impact of ultrasound (20 kHz, 2400 w and 20 min) on the quality of TCW during postharvest storage. Results showed that ultrasound was effective in preserving the quality of TCW. Especially at the end of storage (15 d), TSS value was increased by 18.38%, titratable acid was increased by 25.17%, turbidity was decreased by 10.58%, and soluble sugar and reducing sugar content were increased by 23.36% and 45.77%, respectively. According to HS-SPME-GC–MS results, a total of 28 volatile organic compounds were identified and the content of volatile organic compounds in TCW showed no significant difference before and after ultrasonic treatment. The E-tongue data demonstrated that ultrasound could effectively affect the taste of TCW, especially enhanced the astringency, aftertaste-A and aftertaste-B values. A total of 56 compounds were identified as differentially expressed metabolites by LC-MS based metabolomics, which were mainly connected with the tricarboxylic acid cycle and flavonoid biosynthesis pathway. These findings provide valuable insights into the potential use of ultrasound in the storage and preservation of other fruits.

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来源期刊

Ultrasonics Sonochemistry 化学-化学综合

CiteScore

15.80

自引率

11.90%

发文量

361

审稿时长

59 days

期刊介绍： Ultrasonics Sonochemistry stands as a premier international journal dedicated to the publication of high-quality research articles primarily focusing on chemical reactions and reactors induced by ultrasonic waves, known as sonochemistry. Beyond chemical reactions, the journal also welcomes contributions related to cavitation-induced events and processing, including sonoluminescence, and the transformation of materials on chemical, physical, and biological levels. Since its inception in 1994, Ultrasonics Sonochemistry has consistently maintained a top ranking in the "Acoustics" category, reflecting its esteemed reputation in the field. The journal publishes exceptional papers covering various areas of ultrasonics and sonochemistry. Its contributions are highly regarded by both academia and industry stakeholders, demonstrating its relevance and impact in advancing research and innovation.