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Bioactive Attributes and Analysis of Electronic Nose Feature Signals of Colombian Stingless Bees Propolis
Chemistry & Biodiversity ( IF 2.3 ) Pub Date : 2022-11-24 , DOI: 10.1002/cbdv.202200952 Carlos Mario Zuluaga-Domínguez 1 , Carlos Alberto Fuenmayor 2 , Marta Cecilia Quicazán 2
Chemistry & Biodiversity ( IF 2.3 ) Pub Date : 2022-11-24 , DOI: 10.1002/cbdv.202200952 Carlos Mario Zuluaga-Domínguez 1 , Carlos Alberto Fuenmayor 2 , Marta Cecilia Quicazán 2
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The volatile and non-volatile chemical composition and bioactivity of propolis from the species Apis mellifera has been widely studied, but there is very little knowledge regarding propolis of other bee species, which ultimately hinders their differentiation and potential use. In this work, 53 propolis samples of A. mellifera and four stingless bee species (Frieseomielitta sp., Melipona eburnea, Melipona sp., and Trigona sp.) were collected in Colombia. An electronic nose with 10 metal oxide semiconductor sensors (MOS) was used to generate a pattern of the representative volatile compounds of the samples. Ethanolic extracts were obtained to assess their antioxidant activity towards DPPH radical and ABTS radical cation, total phenolics, and color (CIELAB space). The results showed an overall similarity of the aromatic profiles between species. The antioxidant activity of Frieseomielitta sp. propolis was higher than that of A. mellifera and the other species, in correspondence with a higher phenolic content. CIELAB color parameter b* was the most differentiating variable among samples, indicating a variation of propolis colors between red and yellow. By combining the data from physico-chemical analysis and aromatic profile, it was possible to differentiate the propolis from each bee species, with the exception of those from Melipona sp. and Trigona sp., indicating their similarity. These results have practical significance since they are a starting point to recognizing and valuing native stingless bee propolis and their bioactive potential, which, in addition to geographical differentiation and further quality parameters evaluation, will enhance their commercial exploitation.
中文翻译：
哥伦比亚无刺蜂蜂胶电子鼻特征信号的生物活性及分析
来自Apis mellifera物种的蜂胶的挥发性和非挥发性化学成分和生物活性已得到广泛研究，但对其他蜜蜂物种的蜂胶知之甚少，这最终阻碍了它们的分化和潜在用途。在这项工作中，A. mellifera和四种无刺蜂物种（Frieseomielitta sp.、Melipona eburnea、Melipona sp. 和Trigona ）的 53 个蜂胶样本sp.) 收集于哥伦比亚。使用具有 10 个金属氧化物半导体传感器 (MOS) 的电子鼻来生成样品的代表性挥发性化合物的模式。获得乙醇提取物以评估它们对 DPPH 自由基和 ABTS 自由基阳离子、总酚类物质和颜色（CIELAB 空间）的抗氧化活性。结果表明物种之间的芳香特征总体相似。Frieseomielitta sp。的抗氧化活性。蜂胶高于意大利蜜蜂和其他物种，对应于较高的酚类含量。CIELAB 颜色参数b*是样品中最具差异性的变量，表明蜂胶颜色在红色和黄色之间存在差异。通过结合物理化学分析和芳香特征的数据，可以将蜂胶与每个蜜蜂物种区分开来，但Melipona sp.的蜂胶除外。和Trigona sp.，表明它们的相似性。这些结果具有实际意义，因为它们是认识和评估本地无刺蜂胶及其生物活性潜力的起点，除了地理差异和进一步的质量参数评估外，还将加强其商业开发。
更新日期：2022-11-24
中文翻译：
哥伦比亚无刺蜂蜂胶电子鼻特征信号的生物活性及分析
来自Apis mellifera物种的蜂胶的挥发性和非挥发性化学成分和生物活性已得到广泛研究，但对其他蜜蜂物种的蜂胶知之甚少，这最终阻碍了它们的分化和潜在用途。在这项工作中，A. mellifera和四种无刺蜂物种（Frieseomielitta sp.、Melipona eburnea、Melipona sp. 和Trigona ）的 53 个蜂胶样本sp.) 收集于哥伦比亚。使用具有 10 个金属氧化物半导体传感器 (MOS) 的电子鼻来生成样品的代表性挥发性化合物的模式。获得乙醇提取物以评估它们对 DPPH 自由基和 ABTS 自由基阳离子、总酚类物质和颜色（CIELAB 空间）的抗氧化活性。结果表明物种之间的芳香特征总体相似。Frieseomielitta sp。的抗氧化活性。蜂胶高于意大利蜜蜂和其他物种，对应于较高的酚类含量。CIELAB 颜色参数b*是样品中最具差异性的变量，表明蜂胶颜色在红色和黄色之间存在差异。通过结合物理化学分析和芳香特征的数据，可以将蜂胶与每个蜜蜂物种区分开来，但Melipona sp.的蜂胶除外。和Trigona sp.，表明它们的相似性。这些结果具有实际意义，因为它们是认识和评估本地无刺蜂胶及其生物活性潜力的起点，除了地理差异和进一步的质量参数评估外，还将加强其商业开发。
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