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- EFFECT OF DIFFERENT DRYING TECHNIQUES ON THE BIOACTIVE, COLOR, ANTIBACTERIAL AND SENSORY FEATURES OF...
EFFECT OF DIFFERENT DRYING TECHNIQUES ON THE BIOACTIVE, COLOR, ANTIBACTERIAL AND SENSORY FEATURES OF DATE PLUM FRUITS (DIOSPYROS LOTUS L.)
Authors : Hamza GOKTAS
Pages : 1254-1263
Doi:10.15237/gida.GD23105
View : 97 | Download : 86
Publication Date : 2023-12-15
Article Type : Research
Abstract :In this study, the effects of hot air drying (HD), vacuum drying (VD) and freeze drying (FD) processes on total phenolic (TPC) and flavonoid contents (TFC), antioxidant capacity (AC), color and antibacterial properties and sensory evaluation of date plum (DP) fruit were determined. Total phenolic, total flavonoid and antioxidant capacity values of dried and fresh samples were determined as 13.86-7.45 mg GAE/g, 7.17-4.09 mg CE/g and 86.60-54.98%, respectively. The highest inhibition levels against Bacillus cereus (24.50 mm) and Salmonella Typhimurium (24.67 mm), Yersinia enterocolitica (25.75 mm) and Staphylococcus aureus (25.17 mm) were determined for HD and VD, respectively. In terms of sensory evaluation, FD drying was scored similarly to fresh samples (P>0.05). Overall, FD drying could be applied for longer preservation of DP fruits in terms of bioactive properties, color and sensory evaluation.Keywords : Hurma eriği, kurutma teknikleri, biyoaktif özellikler, antibakteriyel özellikler, duyusal değerlendirme