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All Journal Biofoodtech : Journal of Bioenergy and Food Technology
Welly Deglas
Program Studi Teknologi Pangan, Politeknik Tonggak Equator, Pontianak
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering

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Penggunaan Kulit Pisang pada Proses Pemurnian Minyak Esensial Kulit Buah Jeruk Pontianak Welly Deglas
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 2 No. 01 (2023): Juni
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v2i01.611

Abstract

This study aims to investigate the effect of using banana peels in the process of refining Pontianak orange peel essential oil and to assess the effect of soaking time on banana skin yield, clarity value, and quality of Pontianak orange peel essential oil. Completely randomized design (CRD) method with four different treatments, namely soaking time of banana peels for 1 day, 2 days, 3 days, and 4 days, was used in this study with three repetitions. The results showed that the longer the banana peel soaked in orange peel essential oil, the turbidity level of the oil decreased significantly. The highest turbidity was recorded at 37 NTU, while the lowest turbidity reached 17 NTU. The organoleptic test results for clarity, color, and aroma showed significant differences between the samples, which can be seen from the calculated F value which is greater than the table F value at a significance level of 5% and 1%.
Pembuatan Minuman Tradisional Tuak Beras Ketan dengan Variasi Penambahan Jahe Merah (Zingiber officinale var. Rubrum) Fransiska; Welly Deglas; Ana Maria Supiana
BIOFOODTECH : Journal of Bioenergy and Food Technology Vol. 2 No. 02 (2023): Desember
Publisher : Program Studi Teknologi Hasil Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/biofoodtech.v2i02.971

Abstract

To determine the effect of adding red ginger to the traditional sticky rice palm wine drink and to determine the alcohol content, dissolved sugar content, and organoleptic in the traditional sticky rice palm wine drink with variations in the addition of red ginger. The research method used was the research design used was a Completely Randomized Design (CRD) with three replications with the addition of red ginger rhizomes, namely with concentration levels of 0%, 50%, 75%, and 100%. In the research, the parameters observed were alcohol content, dissolved sugar content, and organoleptic properties of traditional palm wine drinks sticky rice with a variation of adding red ginger. The addition of red ginger to the traditional drink of sticky rice palm wine has a significant impact on several aspects of the product. Overall, increasing the concentration of red ginger with its antimicrobial and antioxidant properties causes a decrease in alcohol content in palm wine because it can inhibit the fermentation process. The addition of red ginger also reduces the dissolved sugar content and increases the water content in the drink and together reduces the sweet taste of the wine. The addition of red ginger can influence the color of the wine to become more brownish-yellow and increase the aroma of red ginger. Panelists tended to prefer palm wine without the addition of red ginger, possibly because of the distinctive spicy aroma and taste of red ginger which is less popular in this traditional drink.  
Co-Authors Ana Maria Supiana Fransiska