PEMANFAATAN TEKNOLOGI PLASMA UNTUK MEMPRODUKSI OZON YANG DIGUNAKAN SEBAGAI PENGHAMBAT PEMBUSUKAN TOMAT PASCAPANEN

WARDANI, INTAN MUSTIKA INDAH and Nawawi, Zainuddin (2020) PEMANFAATAN TEKNOLOGI PLASMA UNTUK MEMPRODUKSI OZON YANG DIGUNAKAN SEBAGAI PENGHAMBAT PEMBUSUKAN TOMAT PASCAPANEN. Undergraduate thesis, Sriwijaya University.

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Abstract

An alternative to postharvest tomato preservation using ozone produced by Dielectric Barrier Discharge (DBD) based plasma technology has been tested on a laboratory scale. This study observed the length of ozone exposure, storage temperature, and tomatoes that were exposed to ozone at different times. The ozone used in the research was generated from the DBD chamber using aluminum electrodes with a material thickness of 0.5 mm and a gap between the electrodes of 1 mm. In general, ozone exposure at a concentration of 480,7 ppm has an effect on the long storage time of tomatoes at certain temperatures. These results indicate that ozone exposure affects the hardness of the tomatoes, total dissolved solids, and the degree of acidity of the tomatoes. With a length of exposure for 1 hour, and a storage room temperature of 7 ° C. The hardness value of tomatoes was 13,3.105 Pa or 27,06% higher than tomatoes stored at 28 ° C, namely 13,3.105 Pa. With a long exposure of 1 hour at 7 ° C is also able to maintain the freshness of tomatoes for 14 days. Keywords : Tomato, Dielectric Barrier Discharge, Ozone Concentration

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Buah Tomat, Dielectric Barrier Discharge, Konsentrasi Ozon
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD1-1066 Environmental technology. Sanitary engineering T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452-454.4 Electric apparatus and materials. Electric circuits. Electric networks
Divisions:	03-Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User:	Users 8424 not found.
Date Deposited:	05 Oct 2020 05:57
Last Modified:	05 Oct 2020 05:57
URI:	http://repository.unsri.ac.id/id/eprint/36093

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