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All Journal JURNAL KIMIA SAINS DAN APLIKASI
Mayer Tinting Sirenden
Universitas Kristen Satya Wacana Salatiga
Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering

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Fragrance Formation in the of Cocoa Roasted Process (Theobroma cacao) with Roaster Temperature Variation using a Vacuum Drying Oven Monang Sihombing; Dhanang Puspita; Mayer Tinting Sirenden
Jurnal Kimia Sains dan Aplikasi Vol 21, No 3 (2018): Volume 21 Issue 3 Year 2018
Publisher : Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2597.765 KB) | DOI: 10.14710/jksa.21.3.155-160

Abstract

Chocolate is cacao nib processed product which is favorite commodity in the world, nevertheless, many of consumer have not known about the process. Notable stage in cacao processing is roaster process. Cacao roasting process currently uses conventional methods, which have weaknesses like energy wastage and bioactive compounds damage. Vacuum drying oven is new roasting method which uses low pressure and temperature. Through this research, the difference of aroma development between roasting process on conventional and vacuum drying oven method was investigated. Roasted cacao was extracted by water distillation, then distillate was separated by diethyl ether partition. The extract was characterized with GC-MS. The Characterization result shown that temperature 70°C contained 11 volatile compounds and temperature 80°C, 90°C and 140°C contained 7 volatile compounds. The higher roasting temperature, the more diverse of volatile compound. The best result in cacao roasting was on vacuum drying oven at 90°C, which has similar aroma with 140°C as control sample.
Co-Authors Dhanang Puspita Monang Sihombing