Pengaruh Penambahan Sari Buah Naga Merah Terhadap Kekerasan Dan Warna Cookies Substitusi Tepung Mocaf (Modified Cassava Flour)

KURNIAWATI, RIA and , Eni Purwani, S.Si., M.Si (2022) Pengaruh Penambahan Sari Buah Naga Merah Terhadap Kekerasan Dan Warna Cookies Substitusi Tepung Mocaf (Modified Cassava Flour). Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Cookies are a snack made from wheat flour. To reduce the use of wheat flour as the main ingredient for making cookies, it can be substituted with mocaf flour. The use of high mocaf flour causes cookies to be increasingly disliked in color by consumers, so it is necessary to improve the color by adding natural dyes such as dragon fruit extract. In this study also conducted research on the hardness and color of cookies. The purpose of this study was to analyze the effect of adding red dragon fruit extract to the hardness and color of cookies with mocaf flour substitution. This type of research is an experimental study that carried out analysis of hardness and color, and then was tested on 15 panelists using a Completely Randomized Design (CRD) method with 4 additional treatments of dragon fruit extract 0%, 10%, 20% and 30 %.. Analysis of the research data with the Kruskal Wallis test. and continued with the Man Whitney test. The result obtained were is the higher the addition of dragon fruit extract, the water content increases which will make cookies brittle. The highest hardness value was obtained from the addition of 0% dragon fruit extract of 14.77 N. The highest L color value (brightness) was obtained from the addition of 0% dragon fruit extract of 78.80. The highest value of a (reddish) color was obtained from the addition of 30% dragon fruit extract, which was 23.36. The highest value of b (yellow) color was obtained from the addition of 0% dragon fruit extract of 23.85. The conclusion of this study is that there is an effect of adding red dragon fruit extract to the hardness and color of cookies substituted with mocaf flour (Modified Cassava Flour).

Item Type:	Thesis (Skripsi)
Uncontrolled Keywords:	Cookies, Tepung Mocaf, Sari Buah Naga, Kekerasan, Warna
Subjects:	R Medicine > R Medicine (General) R Medicine > RN Nutrition
Divisions:	Fakultas Ilmu Kesehatan > Gizi
Depositing User:	RIA KURNIAWATI
Date Deposited:	09 Feb 2022 04:30
Last Modified:	01 Sep 2022 01:07
URI:	http://eprints.ums.ac.id/id/eprint/97243

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