Design of a food product composed of honey and propolis | Diseño de un alimento a base de miel y propóleos
2015
Osés, Sandra M | Melgosa, Lara | Pascual-Maté, Ana | Fernández-Muiño, Miguel A | Sancho, M Teresa
Propolis is a natural bee hive product with potential functional activities. Nowadays, many propolis products are available on the market, including cosmetics and food commodities. However, it is still unknown if edible products with propolis are fully accepted by consumers and are thus commercially viable, due to the bitter and resinous flavor and taste of propolis. This work is focused on the design of a “honey with propolis” foodstuff that can be welcomed by consumers, and, if possible, provide added benefits compared to the honey itself. Propolis tinctures containing three different concentrations of ethanol and times of maceration were prepared, giving the best results with 90% ethanol and two days of maceration. Then, in order to study the maximum amount of propolis in honey that could be accepted by a representative group of consumers, a forced choice paired comparison preference test with 69 people was carried out, giving the best results with a honey product containing 0.3-0.5% propolis extract. Phenolic and flavonoid contents, as well as TEAC antioxidant and antimicrobial activities of propolis, honey, and the product “honey with propolis” were then analyzed. As expected, propolis showed the highest phenolics and flavonoids contents, as well as the highest antioxidant and antimicrobial activities. The product “honey with propolis” showed a significantly higher antimicrobial activity, however, when compared to honey alone. In conclusion, the commercialization of a food product of “honey and up to 0.5% propolis” is promising, interesting and viable, as such a product is greatly appreciated by consumers, as well as being potentially healthy.
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