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KMID : 0613820180280121489
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Journal of Life Science
2018 Volume.28 No. 12 p.1489 ~ p.1500
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Evaluation of Commercial Korean Honey Quality and Correlation Analysis of the Quality Parameters
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Sung Hwa-Jung
Jung Chul-Eui
Kwon Ji-Young
Sohn Ho-Yong
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Abstract
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Honey is made from flower nectar by honey bees. In this study, 120 honeys from various flowers and across eight different provinces in Korea were collected and their components, antioxidants, and hemolytic activities against red blood cell were evaluated. Our results show that total polyphenol (TP) varied widely across the samples, with chestnut honey showing the highest TP (77.1±8.4 mg/100g), protein content (25.9±0.9 mg/100g), and absorbance at 400 nm (A400 : 0.156±0.036). In contrast, the acacia honey and sugar honey had a TP of 9.5~30 mg, 12~15 mg/100g of, and the lowest A400 of 0.06± 0.02. High amounts of total flavonoid were quantified in the jujube and chestnut honeys at 8.73±7.31 and 8.39±3.02 mg/100g, respectively. No samples demonstrated hemolytic activity up to 1 mg/ml. Antioxidant activities determined by DPPH, ABTS, and nitrite scavenging placed the chestnut honey highest, followed by jujube, styrax, multi-floral, citrus, acacia and sugar honey. Analysis of parameter correlations indicated that the components and bioactivity of the honey are dependent on the origin of the flower rather than on bee-farming regions. A positive correlation between TP content and antioxidant activity was identified. The correlation coefficients between A400 and the TP, ABTS scavenging, and reducing power values were 0.804, 0.772 and 0.741, respectively. We therefore suggest that A400 could be used as a noble , economic and simple factor for honey quality evaluation. Our results can potentially be used to develop functional honey for the food and pharmaceutical industries.
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KEYWORD
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Anti-oxidation, colorness, domestic honey, origin of flower, polyphenol
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