An examination of possible effect of hot desert climate on microbiological safety and physicochemical and antioxidant properties of honey marketed in the province of Errachidia in Morocco was made. The assessment of microbiological properties showed no alarming sign of microbiological contamination or quality deterioration. This can be seen by the low moisture content in all analysed samples, which was below 20% (the maximum allowed in honey), and acid pH which was raging from 3.32 ± 0.05 to 4.37 ± 0.12. The ash content values ranged between 0.02 ± 0.01% and 0.23 ± 0.001%, and the electrical conductivity ranged between 87.4 ± 0.42 and 1148.06 ± 2.16 mS/cm. Considering the mineral content, the potassium was the most abundant species in all the analysed samples. The phenol content values varied from 17.35 ± 2.15 mg GAE/100 g in H7 to 219.026 ± 2.26 mg GAE/100 g in H9. Similarly, the same behavior was seen in the case of the other bioactive subfamilies of phenolic compound flavonoid content. Hence, the highest value of flavonoids, flavones, and flavanols was detected in H9, and the minimum value was observed in sample H7. A negative correlation was found between the bioactive fraction of honey samples and free radical scavenging activity assessed as IC50, the concentration of honey that scavenges 50% of the used free radicals. The bioactive fraction, the antioxidant assays, and their correlation values showed the same profile in comparison to the honey samples of other Moroccan regions.

中文翻译：

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在摩洛哥 Errachidia 地区商业化的蜂蜜样品的微生物质量、理化特性和抗氧化能力

研究了炎热的沙漠气候对摩洛哥 Errachidia 省销售的蜂蜜的微生物安全性以及理化和抗氧化特性的可能影响。微生物特性的评估没有显示微生物污染或质量恶化的惊人迹象。这可以通过所有分析样品的低水分含量看出，低于 20%（蜂蜜中允许的最大值），酸性 pH 值从 3.32 ± 0.05 到 4.37 ± 0.12。灰分值在0.02±0.01%和0.23±0.001%之间，电导率在87.4±0.42和1148.06±2.16mS/cm之间。考虑到矿物质含量，钾是所有分析样品中含量最高的种类。苯酚含量值从 H7 中的 17.35 ± 2.15 mg GAE/100 g 到 219.026 ± 2 不等。H9 中 26 毫克 GAE/100 克。类似地，在酚类化合物黄酮含量的其他生物活性亚族的情况下也观察到相同的行为。因此，在 H9 中检测到黄酮类、黄酮和黄烷醇的最高值，在样品 H7 中观察到最低值。蜂蜜样品的生物活性部分与被评估为 IC50 的自由基清除活性之间呈负相关，IC50 是清除 50% 所用自由基的蜂蜜浓度。与摩洛哥其他地区的蜂蜜样品相比，生物活性成分、抗氧化剂测定及其相关值显示出相同的特征。在H9中检测到黄烷醇，在样品H7中观察到最小值。蜂蜜样品的生物活性部分与被评估为 IC50 的自由基清除活性之间呈负相关，IC50 是清除 50% 所用自由基的蜂蜜浓度。与摩洛哥其他地区的蜂蜜样品相比，生物活性成分、抗氧化剂测定及其相关值显示出相同的特征。在H9中检测到黄烷醇，在样品H7中观察到最小值。蜂蜜样品的生物活性部分与被评估为 IC50 的自由基清除活性之间呈负相关，IC50 是清除 50% 所用自由基的蜂蜜浓度。与摩洛哥其他地区的蜂蜜样品相比，生物活性成分、抗氧化剂测定及其相关值显示出相同的特征。