重金属离子和储存时间对埃塞俄比亚奥罗米亚州 Ilu Woreda 收集的蜂蜜中羟甲基糠醛形成的影响

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Bulletin of the Chemical Society of Ethiopia Pub Date : 2023-11-29 DOI:10.4314/bcse.v38i1.1

Tsedeke Birhanu, T. Tolcha

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引用次数: 0

摘要

研究了重金属对埃塞俄比亚奥罗米亚州西谢瓦区伊卢镇收集的蜂蜜中还原糖降解形成羟甲基糠醛（HMF）的影响。采用 AOAC 官方方法测定了蜂蜜样品中铅、镉、铬和镍的浓度水平。蜂蜜中 HMF 的浓度采用国际蜂蜜委员会标准进行测定。新鲜蜂蜜中铅、铬、镍和镉的重金属浓度分别为 11 ± 0.001、454 ± 0.002、630 ± 0.001 和 1 ± 0.001 µg kg-1。在每种重金属的浓度水平为 10,000 µg kg-1 时，分别在添加后 5 天、30 天和 60 天研究重金属对蜂蜜样品中 HMF 生成的影响。未经处理的蜂蜜样品在 5 天、30 天和 60 天的 HMF 浓度范围为 1380-2200 µg kg-1。在添加了铅、镍、铬和镉的蜂蜜样品中，发现 HMF 的浓度范围分别为 2100-2150、1900-2430、2100-2270 和 2050-2330 µg kg-1。研究结果表明，蜂蜜受到重金属污染会促进 HMF 的形成。关键词：新鲜蜂蜜、HMF、重金属离子、HPLC-DAD 和蜂蜜质量 Bull.Chem.Soc.2024, 38(1), 1-10.DOI: https://dx.doi.org/10.4314/bcse.v38i1.1

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Influence of heavy metal ions and storage time on hydroxymethylfurfural formation in honey collected from Ilu Woreda, Oromia Regional State, Ethiopia

The effect of heavy metals on the formation of hydroxymethyl furfural (HMF) from degradation of reducing sugars in honey collected from Ilu Woreda, West Shewa Zone of Oromia Regional State, Ethiopia were studied. The concentration level of Pb, Cd, Cr and Ni in honey sample was determined using AOAC Official Method. The concentration of HMF in honey was determined using international honey commission standards. The concentrations of heavy metals in fresh honey were 11 ± 0.001, 454 ± 0.002, 630 ± 0.001 and 1 ± 0.001 µg kg-1 for Pb, Cr, Ni and Cd, respectively. The influence of heavy metals on the formation of HMF in honey samples was studied on 5, 30 and 60 days after spiking at concentration level of 10,000 µg kg-1 of each heavy metal. The concentration of HMF for untreated honey samples was ranged 1380-2200 µg kg-1 for the storage time of 5, 30 and 60 days. The concentration of HMF in honey samples spiked with Pb, Ni, Cr and Cd were found to be in the range of 2100-2150, 1900-2430, 2100-2270 and 2050-2330 µg kg-1, respectively. The results of this study indicate that contamination of honey with heavy metal facilitate the formation of HMF. KEY WORDS: Fresh honey, HMF, Heavy metal ions, HPLC-DAD and Honey quality Bull. Chem. Soc. Ethiop. 2024, 38(1), 1-10. DOI: https://dx.doi.org/10.4314/bcse.v38i1.1

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来源期刊

Bulletin of the Chemical Society of Ethiopia 化学-化学综合

CiteScore

2.20

自引率

8.30%

发文量

113

审稿时长

6-12 weeks

期刊介绍： The Bulletin of the Chemical Society of Ethiopia (BCSE) is a triannual publication of the Chemical Society of Ethiopia. The BCSE is an open access and peer reviewed journal. The BCSE invites contributions in any field of basic and applied chemistry.