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  • Title: Botanical origin causes changes in nutritional profile and antioxidant activity of fermented products obtained from honey.
    Author: Dezmirean GI, Mărghitaş LA, Bobiş O, Dezmirean DS, Bonta V, Erler S.
    Journal: J Agric Food Chem; 2012 Aug 15; 60(32):8028-35. PubMed ID: 22835207.
    Abstract:
    Honey as rich source of enzymatic and nonenzymatic antioxidants serves as health-promoting nutrient in the human body. Here, we present the first time a comparative study of nutritional profiles (e.g., acidities, sugar, organic acid profile, total polyphenolic, flavonoid content) for different unifloral, multifloral honeys and their fermented products, in correlation with their antioxidant activity. Additionally, an optimized method for HPLC separation of organic acids from honey was established. The total phenolic content of honey samples varied widely among the honey types compared to fermented products. High amounts of total flavonoids were quantified in heather honey, followed by raspberry, multifloral, black locust, and linden honey. A positive correlation between the content of polyphenols, flavonoids, and antioxidant activity was observed in honey samples. After fermentation, the flavonoid content of dark honey fermented products decreased significantly. Black locust and linden honeys are more suitable for fermentation because the decrease in antioxidant substances is less pronounced.
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