Abstract
The state of Pernambuco, in the northeast Brazil, is one the biggest bee honey producers in the country, especially in semiarid microregions called “Sertão", or hinterlands. Its unique biome characterized by xerophyte Caatinga vegetation presents a unique flora with many medicinal properties. One of these microregions, Sertão do Pajeú, has stood out for its growing honey production. The present work reported for the first time a characterization of this honey and evaluated its potential for the production of alternative nutraceutical products. Samples from Sertão do Pajeú and two other regions of the State were collected and subjected to analyses as recommended by the Brazilian legislation. As the most striking characteristics, honeys from this microregion showed darker colour, higher content of phenolic compounds and elevated antioxidant activity than that from other locations. The high content of 5-HMF, together with high diastase activity, indicated that it is an intrinsic property of this honey. And finally, fermented worts containing the probiotic yeast Saccharomyces boulardii were supplemented with honey and sucrose as reference. The results showed that samples stocked in the presence of honey presented high level of cell longevity over 60 days of storage under refrigeration. In addition, those cells became very tolerant to the simulation of the gastrointestinal tract. Therefore, this honey greatly increased the probiotic potential of the yeast. This shows the nutraceutical potential of honey from Sertão do Pajeú.
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