Journals › Tropical Agricultural Research
Development and Characterization of Gelatin-Free Set-Yoghurt Incorporated with Seaweed Phycocolloids
Tropical Agricultural Research 37(1): 13–22 · 2026
https://doi.org/10.4038/tar.v37i1.8974
Abstract
The potential use of seaweed phycocolloids as stabilizing agents in gelatin-free set-yoghurt was evaluated. Three seaweed phycocolloids, namely carrageenan, alginate, and agar-agar, were extracted from Kappaphycus alvarazii, Sar-gassum wightii, and Gracilaria salicornia, respectively. Pre-liminary trials were conducted to determine the optimal in-corporation levels of phycocolloids in gelatin-free set-yoghurts. Based on syneresis percentage, 0.12% (w/v) car-rageenan, 0.2% (w/v) alginate, and 0.3% (w/v) agar-agar levels were selected as the best incorporation levels for set-yoghurt production. The hardness, syneresis, color, proxi-mate composition, and sensory properties of the set-yoghurt containing selected levels of phycocolloids were assessed in comparison with the control, a set-yoghurt con-taining gelatin (0.8% w/v). All the phycocolloids-incorporated set-yoghurt showed lower (p
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