CD Skripsi
Pemanfaatan Ekstrak Bunga Telang Dalam Pembuatan Kefir Susu Kedelai
Soy milk is one of the raw material choices in making kefir. Soy milk kefir has a white color so it is necessary to add coloring to increase the attractiveness of kefirproducts. Oneof thesources of natural coloringthat can beutilized is butterfly pea flowers which contain anthocyanins. The purpose of this research was to obtain the best ratio of butterfly pea flower extract in makin soymilk kefir in accordance with the quality requirement for fermented milk drinks SNI 7552:2018. This research was conducted experimentally with four treatments and four replications. The treatments in this studywere the ratio of soy milk kefir and butterfly pea flower extract, namely KT1 (100:0), KT2 (90:10), KT3 (85:15), and KT4 (80:20). The data obtained were statistically analyzed using analysis of variance and continued with Duncan's New Multiple Range Test (DNMRT) at the 5% level. The results showed that the ratio of soy milk kefir and butterfly pea flower extract have a significant effect on antioxidant activity, color sensory assessment (descriptive and hedonic), and overall hedonic assessment and have no significant effect on the degree of acidity (pH), total titrated acid, total lactic acid bacteria, alcohol content, and sensory assessment of aroma, taste (descriptive and hedonic). The best treatment in this research was namely KT4 with criteria for pH 3,80, total titratable acid 0,51%, total LAB 8,84 log CFU/ml, alcohol content 0,42% and antioxidant activity 80,02 ppm. The sensory characteristics of KT4 treatment were dark purple color, sour and alcoholic aroma, and sour taste. The overall rating liked by the panelists.
Keywords: butterfly pea flower, soy milk, kefir
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