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Chinese Agricultural Science Bulletin ›› 2026, Vol. 42 ›› Issue (13): 170-178.doi: 10.11924/j.issn.1000-6850.casb2025-0716

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Determination of Volatile Flavor Compounds in Four Organic Sweet Potato Leaves Based on HS-SPME/GC-MS Method

SU Han(), ZHANG Qiaofeng, XUE Jiawen, HOU Hui, GENG Xiaoyue, WANG Wei, XU Zhen()   

  1. Xuzhou Institute of Agricultural Sciences in Jiangsu Xuhuai District, Xuzhou, Jiangsu 221131
  • Received:2025-08-28 Revised:2026-02-21 Online:2026-07-15 Published:2026-07-09

Abstract:

This study aims to investigate the volatile components of organic sweet potato leaves and analyze the differences in volatile components and their contents among different organic sweet potato leaves. Headspace solid-phase microextraction (HS-SPME) and gas chromatography-mass spectrometry (GC-MS) were used to analyze the volatile components of four types of organic sweet potato leaves. The content of each volatile compound was calculated using the area normalization method, and the detected volatiles were analyzed using mathematical statistical methods. The results indicated that a total of 81 volatile flavor compounds were detected in the four samples, including 22 terpenes, 20 aldehydes, 10 ketones, 9 alcohols, 6 ethers, and 14 others. Among these, 74 components were common to all samples. Terpenes had the highest relative content, accounting for 76.50%-86.74% of the total volatiles. Based on similarity calculations, the volatile compounds of the four organic sweet potato leaves exhibited little difference. The findings of this study provide a reference for flavor research and the development and utilization of processed products from organic sweet potato leaves.

Key words: organic sweet potato leaves, similarity, flavor compounds, headspace solid-phase microextraction (HS-SPME), gas chromatography-mass spectrometry (GC-MS)

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