Title: Total phenolic content and antioxidant capacity of Croatian food products-an overview
Abstract:This paper reports a portion of the results of targeted screening of native Croatian food products for phenolic antioxidants. The data presented here include the data on the total phenol (TP) content,...This paper reports a portion of the results of targeted screening of native Croatian food products for phenolic antioxidants. The data presented here include the data on the total phenol (TP) content, determined in the Folin- Ciocalteu assay, and antioxidant capacity, measured in the reaction with the 2, 2-diphenyl- 1-picrylhydrazyl (DPPH) radical, for a group of products consisting of red and white wines, fruit juices, fruit tea infusions, blueberry leaf teas, spice extracts, honeys and mushrooms. The sequence of different groups of samples, with respect to the decreasing TP content, in mg/L GAE, is as follows: red wines > fruit juices blueberry leaf teas > fruit tea infusions > white wines. The TP content for mushroom and honey extracts was expressed in mg GAE/ 100 g, with mushroom extracts significantly exceeding honey extracts in terms of the TP content. Antioxidant capacity testing resulted in a slightly different sequence of samples, with respect to the decreasing Trolox equivalent antioxidant capacity (TEAC), as follows: red wines > fruit tea infusions > fruit juices > blueberry leaf teas > white wines. The radical scavenging potential of spices and mushrooms, expressed in terms of the EC50 parameter, indicates that mushroom extracts are better radical scavengers than spice extracts.Read More
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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