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Characterization of Lavandula spp. Honey Using Multivariate Techniques

机译：薰衣草属的特征。蜂蜜使用多元技术

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摘要

Traditionally, melissopalynological and physicochemical analyses have been the most used to determine the botanical origin of honey. However, when performed individually, these analyses may provide less unambiguous results, making it difficult to discriminate between mono and multifloral honeys. In this context, with the aim of better characterizing this beehive product, a selection of 112 Lavandula spp. monofloral honey samples from several regions were evaluated by association of multivariate statistical techniques with physicochemical, melissopalynological and phenolic compounds analysis. All honey samples fulfilled the quality standards recommended by international legislation, except regarding sucrose content and diastase activity. The content of sucrose and the percentage of Lavandula spp. pollen have a strong positive association. In fact, it was found that higher amounts of sucrose in honey are related with highest percentage of pollen of Lavandula spp.. The samples were very similar for most of the physicochemical parameters, except for proline, flavonoids and phenols (bioactive factors). Concerning the pollen spectrum, the variation of Lavandula spp. pollen percentage in honey had little contribution to the formation of samples groups. The formation of two groups regarding the physicochemical parameters suggests that the presence of other pollen types in small percentages influences the factor termed as “bioactive”, which has been linked to diverse beneficial health effects.
机译：传统上，蜜粉刺法和理化分析法最常用于确定蜂蜜的植物来源。但是，当单独进行这些分析时，这些分析结果可能不太明确，从而难以区分单花蜂蜜和多花蜂蜜。在这种情况下，为了更好地表征这种蜂箱产品，我们选择了112种薰衣草属。通过将多元统计技术与理化分析，蜜蜡合成方法学和酚类化合物分析相结合，对来自几个地区的单花蜂蜜样品进行了评估。所有蜂蜜样品均符合国际法规建议的质量标准，但蔗糖含量和淀粉酶活性除外。蔗糖的含量和薰衣草的百分比。花粉有很强的正向关联。实际上，发现蜂蜜中蔗糖的含量较高与薰衣草的花粉百分比最高有关。除了脯氨酸，类黄酮和苯酚（生物活性因子）外，样品的大多数理化参数都非常相似。关于花粉光谱，薰衣草属物种的变化。蜂蜜中的花粉百分比对样品组的形成几乎没有影响。关于理化参数的两组的形成表明，其他类型的花粉的少量存在会影响被称为“生物活性”的因素，该因素已与多种有益的健康影响相关联。

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