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PENGARUH LAMA DAN KONSENTRASI EKSTRAK PIGMEN ANTOSIANIN KULIT BUAH NAGA MERAH (Hylocereus polyrhizus) SEBAGAI PEWARNA ALAMI JARINGAN BATANG KACAPIRING (Gardenia jasminoides Ellis)

Hidayah, Nazilatul (2019) PENGARUH LAMA DAN KONSENTRASI EKSTRAK PIGMEN ANTOSIANIN KULIT BUAH NAGA MERAH (Hylocereus polyrhizus) SEBAGAI PEWARNA ALAMI JARINGAN BATANG KACAPIRING (Gardenia jasminoides Ellis). Undergraduate (S1) thesis, University of Muhammadiyah Malang.

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BAB I.pdf

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Abstract

The Dragon Fruit Rind (Hylocereus polyrhizus) have potency to anthocyanin source as natural dyes and can be utilized but not optimally. Several factors effect stability anthocyanin is length of maceration and concentrations using suitable solvent. The purpose to analyze the effect of various length of maceration and concentrations of anthocyanin pigment from rind Hylocereus polyrhizus extract as natural dyes on the quality of section preparations for the gardenia flower (Gardenia jasminoides Ellis) stem. The type of research used is the real experiment (The Experiment Research). There are several stages method, namely the preparation stage, the implementation includes, making rind Hylocereus polyrhizus extract, length of maceration to the extract (1x24 hours and 2x24 hours), dilution of the extract (70%, 80% dan 90%), and making section preparations using the Gardenia jasminoides Ellis stem. 28 samples of Gardenia jasminoides Ellis stem section preparations with 6 treatment groups. Peparations are assessed based on quality which includes clarity of the preparation and contrast of color. The data analysis techniques used were Kruskal-Walli ans Mann-Whitney. The results showed that there was an effect of various length of maceration and concentrations of anthocyanin pigment from rind Hylocereus polyrhizus extract as natural dyes on the quality of section preparations for the Gardenia jasminoides Ellis stem. Preparations that have the best influence on quality are shown at 2x24 hours length of maceration with 90% rind Hylocereus polyrhizus extract concentration which has an average score of 4.20 with a probability value of < 0.05 so that it has real difference from without coloring.

Item Type: Thesis (Undergraduate (S1))
Student ID: 201510070311071
Thesis Advisors: Sri Wahyuni (0013046202), Nurul Mahmudati (0001036501)
Keywords: Dragon fruit rind (Hylocereus polyrhizus), section preparations, gardenia flower (Gardenia jasminoides Ellis) stem, extract, quality.
Subjects: L Education > L Education (General)
Q Science > QH Natural history > QH301 Biology
Divisions: Faculty of Teacher Training and Education > Department of Biology Education (84205)
Depositing User: 201510070311071
Date Deposited: 18 Nov 2019 03:31
Last Modified: 18 Nov 2019 03:31
URI : http://eprints.umm.ac.id/id/eprint/55879

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