不同产地马来西亚无刺蜂蜂蜜中单糖、糖酸、稳定碳同位素和挥发性有机化合物的化学计量学研究

IF 2.2 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Journal of the Iranian Chemical Society Pub Date : 2024-08-01 DOI:10.1007/s13738-024-03074-y
Ganapaty Manickavasagam, Mardiana Saaid, Muhammad Hakimin Shafie, Vuanghao Lim, Ainolsyakira Mohd Rodhi
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引用次数: 0

摘要

本研究的目的是利用化学计量学方法,建立它山紫菀(Heterotrigona itama)蜂种所产无刺蜂蜂蜜中单糖、糖酸、稳定碳同位素和挥发性有机化合物的定量谱系,并进行地理鉴别研究。在本研究中,所有蜂蜜样品中都检测到葡萄糖(730.46-1948.99 µM);但只有一个样品(B2)中检测到甘露糖(113.78 µM)和岩藻糖(26.38 µM)。另一方面,所有样品中都不含葡萄糖醛酸、半乳糖醛酸、核糖、鼠李糖、半乳糖、木糖和阿拉伯糖。δ13C值表明,本研究样品中的花蜜成分来自C-3植物,没有掺假的可能。此外,在所有样品中还检测到了 53 种挥发性有机化合物(VOCs)。偏最小二乘法判别分析(PLS-DA)模型表明,根据所研究的变量,样品的地理判别模式非常好。利用 10 倍交叉验证(R2 = 0.84,Q2 = 0.95,准确度 = 0.93)和置换检验(p = 0.008)对 PLS-DA 模型进行了验证。13 种挥发性有机化合物(VIP 值为 1.4,p 为 0.01)的投影重要性差异显著,可用作有效的化学标记。然而,单糖、糖酸和碳同位素(VIP < 1.4, p <0.01)在根据产地区分无刺蜂蜂蜜方面并不显著。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Chemometrics exploration of monosaccharides, sugar acids, stable carbon isotopes, and volatile organic compounds in Malaysian stingless bee honey from different geographical origins

This research aimed to establish the quantification profiling of monosaccharides, sugar acids, stable carbon isotopes, and volatile organic compounds in stingless bee honey produced by Heterotrigona itama (H. itama) bee species employed with geographical discrimination study using chemometrics. In the present study, glucose (730.46–1948.99 µM) was detected in all honey samples; however, mannose (113.78 µM) and fucose (26.38 µM) were detected in only one sample (B2). On the other hand, glucuronic acid, galacturonic acid, ribose, rhamnose, galactose, xylose, and arabinose were absent in all the samples. δ13C values demonstrated that nectar composition in samples of this study originated from C-3 plants and no possible adulteration was deduced. Besides, a wide range of fifty-three volatile organic compounds (VOCs) was detected across the samples. The partial least square–discriminant analysis (PLS-DA) model illustrated an excellent geographical discrimination pattern of samples based on the studied variables. The PLS-DA model was validated using 10-fold cross-validation (R2 = 0.84, Q2 = 0.95, and accuracy = 0.93) and permutation test (p = 0.008). Variable importance of projection (VIP) exemplified thirteen VOCs (VIP > 1.4, p < 0.01) significant in the discrimination pattern and can be used as potent chemical markers. However, monosaccharides, sugar acids, and carbon isotopes were insignificant (VIP < 1.4, p < 0.01) in discriminating the stingless bee honey according to their geographical origins.

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来源期刊
CiteScore
4.40
自引率
8.30%
发文量
230
审稿时长
5.6 months
期刊介绍: JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.
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