CD Skripsi
Pemanfaatan Susu Kedelai Dan Ekstrak Kulit Buah Naga Merah Dalam Pembuatan Es Krim
ABSTRACT
The purpose of this research was to get the best combination of soybean
milk and red dragon fruit peel in the making of ice cream. This research was
conducted experimentally by using a completely randomized design (CRD) with
five treatments and three replications. The treatments were KN1 soybean milk and
red dragon fruit peel extract (100:0), KN1 soybean milk : red dragon fruit peel
extract (90:10), KN3 soybean milk : red dragon fruit peel extract (80:20), KN4
soybean milk : red dragon fruit peel extract (70:30), and KN5 soybean milk : red
dragon fruit peel extract (60:40). Data were statistically analyzed using Analysis
of Variance (ANOVA) and continued with Duncan’s Multiple Range Test
(DMRT) at a 5% level. Research showed that the addition of soybean milk and
red dragon fruit peel had a significantly affected on total solids, overrun, melting
time, fat content, protein content, antioxidant activity, as well as the sensory test
of the ice cream. Based on this research the best treatment was KN5 ice cream (60
soybean milk and 40 red dragon fruit peel) with 36.49% total solids, 46.67%
overrun, 26.12 minutes melting time, 5.41% fat content, 2.19% protein content,
and 99.11 ppm IC50. Results of the descriptively sensory test showed that the ice
cream had deep red color, flavorful red dragon fruit peel, had a red dragon fruit
peel taste, slightly soft textured, and panelist liked the ice cream for the overall
assessment.
Keyword: ice cream, red dragon fruit peel extract, soybean milk
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