The impact of drying techniques on phenolic compound, total phenolic content and antioxidant capacity of oat flour tarhana
Copyright policy )The impact of drying techniques on phenolic compound, total phenolic content and antioxidant capacity of oat flour tarhana
In this study, the changes in phenolic composition, total phenolic content, and antioxidant capacity of tarhanas supplemented with oat flour (OF) at the levels of 20-100% (w/w) after three drying treatments (sun-, oven-, and microwave drying) were investigated. A total of seventeen phenolic standards have been screened in tarhanas, and the most abundant flavonol and phenolic acid compounds were kaempferol (23.62mg/g) and 3-hydroxy-4-metoxy cinnamic acid (9.60mg/g). The total phenolic content amount gradually increased with the addition of OF to tarhana, but decidedly higher total phenolic content was found in samples oven dried at 55°C as compared with other methods. The microwave- and oven dried tarhana samples showed higher TEACDPPH and TEACABTS values than those dried with the other methods, respectively, in higher OF amounts. Consequently, oven- and microwave-drying can be recommended to retain the highest for phenolic compounds as well as maximal antioxidant capacity in OF supplemented tarhana samples.
- Uludağ University Turkey
- Pamukkale University Turkey
- Bandırma Onyedi Eylül University Turkey
antioxidant, flavonol, Avena, Drying treatment, analysis, Flour, antioxidant activity, Microwave drying, Antioxidants, Tarhana, Phenolic composition, oven drying, Total phenolic content, Oat flour, ABTS radical scavenging assay, fermented product, 3 hydroxy 4 metoxy cinnamic acid, Antioxidant capacity, unclassified drug, oat flour, Microwave heating, plant extract, high performance liquid chromatography, phenol derivative, 610, tarhana, investigative procedures, chemistry, Article, Phenols, food processing, sun drying, controlled study, oat, Drying, Flavonoids, kaempferol, flour, Ovens, Plant Extracts, microwave drying, grain flour, Antioxidants/*chemistry; Avena/*chemistry; Flour/*analysis; Phenols/analysis; Plant Extracts/*chemistry, Phenolic compounds, microwave radiation, DPPH radical scavenging assay, cinnamic acid
antioxidant, flavonol, Avena, Drying treatment, analysis, Flour, antioxidant activity, Microwave drying, Antioxidants, Tarhana, Phenolic composition, oven drying, Total phenolic content, Oat flour, ABTS radical scavenging assay, fermented product, 3 hydroxy 4 metoxy cinnamic acid, Antioxidant capacity, unclassified drug, oat flour, Microwave heating, plant extract, high performance liquid chromatography, phenol derivative, 610, tarhana, investigative procedures, chemistry, Article, Phenols, food processing, sun drying, controlled study, oat, Drying, Flavonoids, kaempferol, flour, Ovens, Plant Extracts, microwave drying, grain flour, Antioxidants/*chemistry; Avena/*chemistry; Flour/*analysis; Phenols/analysis; Plant Extracts/*chemistry, Phenolic compounds, microwave radiation, DPPH radical scavenging assay, cinnamic acid
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