Analysis of Volatile Organic Compounds Differences of Black and White Pepper by HS-GC-IMS and HS-SPME-GC-MS

IF 1.8 3区化学 Q4 BIOCHEMICAL RESEARCH METHODS

Rapid Communications in Mass Spectrometry Pub Date : 2025-04-03 DOI:10.1002/rcm.10036

Xue Chen, Jiaxin Yin, Yang Zhang, Jiaxuan Chen, Songtao Bie, Xinbo Song, Zheng Li, Liping Kang, Heshui Yu

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引用次数: 0

Abstract

Rationale

As a medicinal and edible herb, Piper nigrum L. is abundant in volatile organic compounds (VOCs), and its essential oil has antibacterial properties. Notably, the aromatic profiles of black pepper (BP) and white pepper (WP) are markedly distinct. Consequently, it is essential to comprehensively characterize the VOCs of BP and WP, and analyze the differences in their VOCs and antibacterial efficacy.

Methods

This study analyzed the VOCs of BP and WP using headspace gas chromatography-ion mobility spectrometry (HS-GC-IMS) and headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). The fingerprint of HS-GC-IMS was established. Random forest analysis, orthogonal partial least squares discriminant analysis and heatmap were used to analyze differences in BP and WP. Furthermore, the antibacterial efficacy of volatile oils derived from BP and WP was assessed using the antibacterial zone diameter method.

Results

A total of 108 and 123 VOCs were identified by HS-GC-IMS and HS-SPME-GC-MS, respectively. The results of multivariate statistical analysis showed that the VOCs of BP and WP are significantly different. In contrast, WP has a milder smell than BP, while BP has a more pungent odor. Eight differential markers were selected. Both BP and WP had inhibitory effects on Staphylococcus aureus and Candida albicans.

Conclusion

This study helps to decipher the flavor differences between BP and WP, and provides a material basis for their quality control and pharmacodynamics. It is beneficial to enhance its utilization within the domains of nutrition and traditional Chinese medicine.

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来源期刊

Rapid Communications in Mass Spectrometry 化学-分析化学

CiteScore

4.10

自引率

5.00%

发文量

219

审稿时长

2.6 months

期刊介绍： Rapid Communications in Mass Spectrometry is a journal whose aim is the rapid publication of original research results and ideas on all aspects of the science of gas-phase ions; it covers all the associated scientific disciplines. There is no formal limit on paper length ("rapid" is not synonymous with "brief"), but papers should be of a length that is commensurate with the importance and complexity of the results being reported. Contributions may be theoretical or practical in nature; they may deal with methods, techniques and applications, or with the interpretation of results; they may cover any area in science that depends directly on measurements made upon gaseous ions or that is associated with such measurements.