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Research Article Open access CC BY 4.0

Emulsion Properties of Synbiotic Yoghurt Red Dragon Fruit Peel Extract (Hylocereus polyrhizus) Evaporation with Honey

Dimas Wahyu Pradana, Abdul Manab, Manik Eirry Sawitri

Asian Food Science Journal · pp. 19–24 · Published 27 Jan 2023

10.9734/afsj/2023/v22i1612

Abstract

Synbiotic yogurt is a combination of probiotics and prebiotics. Red dragon fruit peel extract contains 10.79% pectin, which can be used as a prebiotic. Dragon fruit peel synbiotic yogurt produces an unpleasant aftertaste. The addition of honey can improve the functional properties of dragon fruit peel synbiotic yogurt. The purpose of this study was to determine the emulsion of synbiotic yogurt with evaporated red dragon fruit peel extract and honey sweetener. This research was conducted at the Laboratory of Animal Products Technology, Faculty of Animal Husbandry, Universitas Brawijaya. The research material is probiotic yoghurt, synbiotic yoghurt with addition of red dragon fruit peel extract (Hylocereus polyrhizus) 20% made from 10% skim milk and yoghurt starter containing Lactobacillus bulgaricus and Streptococcus thermophilus (1:1), and the addition of 2% honey to synbiotic. The research method was an experimental completely randomized design with treatment T1 = probiotic yoghurt, T2 = synbiotic yoghurt fortified red dragon fruit (Hylocereus polyrhizus) peel extract 20% and T3 = T2 + 2% honey, with 3 replications (v/v).The data obtained were analyzed using analysis of variance (ANOVA), if the test results showed a difference, then the Duncan test (DMRT) was carried out. The results showed that adding evaporated red dragon fruit peel extract and honey sweetener to synbiotic yogurt did not result in a significant difference (P>0.05) in emulsion stability or yogurt turbidity but did result in a significant difference (P>0.05) in emulsion activity. It was concluded that the evaporation of red dragon fruit peel extract with honey sweetener affected the emulsion properties.

Emulsion stability emulsion activity turbidity red dragon fruit peel synbiotic yogurt honey

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