Bibliografia publikacji pracowników
Państwowej Szkoły Wyższej w Białej Podlaskiej
Baza tworzona przez Bibliotekę Akademii Bialskiej im. Jana Pawła II.
Zapytanie: ANTIOXIDATIVE ACTIVITY
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Streszczenie: The purpose of this paper was to determine the quality of herbal teas produced using the non-pressure agglomeration of fine-grained fractions of herbs, compared with their counterparts available on the market. In prepared infusions, the total polyphenol content was determined, using the Folin-Ciocalteu's reagent, as well as the antioxidative activity with the use of the DPPH radical and L* a* b* colour parameters, according to the CIELab colour scale, were identified. Moreover, the iron, lead and cadmium ion content in the raw materials used in the manufacture of herbal granules was determined. Herbal infusions presented high but diversified active compound content. Infusions prepared from herbal granules displayed lower antioxidative properties and higher polyphenol content than commercially available teas. Infusions obtained from herbal granules of the smallest size had the darkest colour. Results of the analyses show that infusions obtained from granulated herbal powder do not pose any health hazard, and bio-active compounds contained therein may improve consumers' health. Non-pressure agglomeration of fine-grained herbal fractions may be used as an alternative method for their management.
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