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Kusyanto
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PENGARUH JUMLAH PELARUT PADA PROSES EKSTRAKSI MINYAK KAYU CENGKEH MENGGUNAKAN MICROWAVE Arief Adhiksana; Kusyanto
Journal of Research and Technology Vol. 1 No. 1 (2015): JRT Volume 1 No 1 Des 2015
Publisher : 2477 - 6165

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Abstract

Clove oil is usually produced from the leaves and flowers, while the twigs cloves actually have potential to be exploited. One of the latest methods that can be used is the microwave assisted extraction. The advantages of microwaves is its ability to deliver energy directly to all material, so it can save time compared to conventional extraction methods. This research aims to study the effect of solvents on the extraction using microwaves. The solvent is water because the polar so very good at absorbing microwave. The variables studied were the weight (75-150 grams) and volume of solvent (400-500 ml) , while the microwave power of 264 W. The choice of wood clove oil yield was obtained of 3.89 % on the amount of solvent to 500 ml with weight is 150 grams.
PEMANFAATAN GELOMBANG MIKRO DALAM EKSTRAKSI ANTOSIANIN DARI KULIT BUAH NAGA SEBAGAI PENGGANTI RHODAMIN B UNTUK SEDIAAN PEWARNA BIBIR ALAMI Arief Adhiksana; Andi Jumardi; Kusyanto; Rina Andriani
Journal of Research and Technology Vol. 3 No. 1 (2017): JRT Volume 3 No 1 Jun 2017
Publisher : 2477 - 6165

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Today, microwave can be used in various chemical processes. The advantage of microwaves is able to deliver energy directly to the material. One of microwave application is the extraction process of natural materials. Microwaves can be used to reduce extraction process time of the anthocyanin from the dragon fruit skin. This research aims to determine the solvent extracted effect to the anthocyanin extraction of dragon fruit skin using microwaves. The solvent used was 95% ethanol, 85% ethanol, 75% ethanol, 95% ethanol –citric acid, 85% ethanol -acids and 75% - citric acid ethanol to the anthocyanin extraction results of dragon fruit skin extracted using microwaves. The consumption of microwave power is 400 watt with 50 gram of dragon fruits skin. Then, anthocyanin extracts are mixed with supporting materials to be made as lipstick and proposed for topical and favorite test. The best yield can be obtained by using ethanol-citric acid solvent at 25,031%.
Co-Authors Andi Jumardi Arief Adhiksana Rina Andriani