采用HS-SPME/GC-MS及多元统计分析评价硫熏蒸对百合鳞茎挥发性成分的影响。

IF 3.3 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of the Science of Food and Agriculture Pub Date : 2025-04-08 DOI:10.1002/jsfa.14277

Ping Li, Jianing Li, Yan Ding, Qi Wu, Dong Chen, Jialiang Chen, Zhaofang Liu, Shuhong Ye

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引用次数: 0

摘要

背景：百合球茎在中国市场上被用作食品和草药。在采收后的加工过程中，为了漂白和保存，通常要用硫磺熏蒸。采用顶空固相微萃取（HS-SPME）、气相色谱-质谱联用（GC-MS）检测和多元统计分析的方法，比较了未熏蒸和硫磺熏蒸百合球茎中挥发性成分的差异。结果：硫熏蒸使百合部分原始成分发生化学转化，显著改变了百合鳞茎的化学特性。12份样品中共鉴定出56种挥发性化合物，其中1份未经熏蒸，11份经硫磺熏蒸。通过多元统计分析，选择了13个最具特征的化学标记来区分未熏蒸和硫磺熏蒸的百合鳞茎。此外，还推测了4种含硫化合物和几种化学标记物的转化机理，表明硫熏蒸过程中主要发生加成反应和重排反应。结论：该方法可用于保证百合球茎及其他食品硫熏蒸质量的一致性。©2025化学工业协会。

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Influence of sulfur fumigation on the volatile composition of lily bulbs evaluated by HS-SPME/GC-MS and multivariate statistical analysis.

Background: Lily bulbs are used as food and herbal medicine in the Chinese market. These are often sulfur-fumigated during postharvest processing for bleaching and preservation. This study aimed to compare the volatile compounds in non-fumigation and sulfur-fumigation lily bulbs by headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS) detection and multivariate statistical analysis.

Results: The results showed that sulfur fumigation led to the chemical transformation of certain original components and significantly changed the chemical characteristics of lily bulbs. A total of 56 volatile compounds were identified in the 12 samples, including one non-fumigated and 11 sulfur-fumigated lily bulbs. Based on multivariate statistical analysis, 13 most characteristic chemical markers were selected to distinguish non-fumigated and sulfur-fumigated lily bulbs. Moreover, the transformation mechanism of the four sulfur compounds and several chemical markers was inferred, which showed that an addition reaction and rearrangement reaction most occurred in the process of sulfur fumigation.

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.