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Jurnal Pangan dan Agroindustri
Published by Universitas Brawijaya
ISSN : -     EISSN : 26852861     DOI : https://doi.org/10.21776/ub.jpa
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 6 Documents
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Search results for , issue "Vol. 12 No. 1: January 2024" : 6 Documents clear
CHARACTERISTICS OF NATA FROM CARICA (Carica Pubescens) EXTRACT WITH DIFFERENT CONCENTRATION OF ACETOBACTER XYLINUM AND FERMENTATION TIME Anik Suryanti; Fafa Nurdyansyah; Rizky Muliani Dwi Ujianti; Iffah Muflihati; Mochamad Nurcholis
Jurnal Pangan dan Agroindustri Vol. 12 No. 1: January 2024
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2024.012.01.6

Abstract

Nata de carica is a product of the innovation of fermentation of carica fruit (Carica pubescens) with the use of Acetobacter xylinum as a culture. The objective of this study was to analyze the impact of Acetobacter xylinum starter concentrations and fermentation time on the physical characteristics (chewiness, color, thickness, yield), chemical (crude fiber content, water content) and organoleptic (descriptive test) of nata de carica. The experimental design was used factorial design with two factors, Acetobacter xylinum starter concentration (10%, 15% and 20%) and fermentation time (7 days and 14 days). The results showed that there was a relationship between thickness, yield, chewiness and crude fiber, the thicker the nata, the greater the yield, chewiness and crude fiber. The best results of nata de carica treatment was treatment with 20% Acetobacter xylinum concentration and 14 days of fermentation time with a thickness value of 6.29 mm, a yield value of 41.04%, a texture value (efficiency) of 521.27 g/mm, crude fiber value of 1.05%, a color value of L* 50.36, a value of a*-1.87, a b* -3.93 and water content of 98.86%. The results of the research can be concluded that the starter concentration and the fermentation time influence the physical and chemical properties of the nata de carica produced.
PHYSICAL AND ORGANOLEPTIC CHARACTERISTICS OF TAMARIND PASTE (Tamarindus Indica L) WITH MODIFIED ELEPHANT CASSAVA (Manihot Esculenta) DERIVATIVE PRODUCT THICKENER Putri Nanda Rahayu; Sulistyo Prabowo; Maulida Rachmawati
Jurnal Pangan dan Agroindustri Vol. 12 No. 1: January 2024
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2024.012.01.1

Abstract

This research was conducted to determine the effect of physical properties on elephant cassava derivative products as a thickener for tamarind paste. This study used a non-factorial completely randomized design (CRD) with 2 treatments, namely types of thickener (modified starch and mocaf) at 5 different concentrations (0%, 1%, 3%, 5%, and 10%) with 3 repetitions. The addition of 10% elephant cassava mocaf flour had the highest value based on the viscosity test with a value of 5624 mPas, in the 10% solubility test the addition of modified starch has a value of 90.47%, the speed with heating at 80℃ ranges from 45-66 seconds and the organoleptic test for taste attributes is 2.04- 2.48.
OPTIMIZATION OF TOFU WHEY CONCENTRATION IN COCONUT MILK NATA DE SKIM Nuriyya Saleh; Simon Bambang Widjanarko
Jurnal Pangan dan Agroindustri Vol. 12 No. 1: January 2024
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2024.012.01.2

Abstract

 One of the uses of coconut milk scheme is for the production of Nata De Skim Santan using Acetobacter xylinum bacteria and the addition of tofu whey substrate. This study aims to determine the effect of whey concentration on the characteristics of nata de coconut milk and the right optimum whey concentration on making nata de coconut milk. The independent variable used  X1= Whey concentration with a lower limit of 0% (-1) and an upper limit of 50% (+1). The responses observed were yield (Y1), nata thickness (Y2), and moisture content (Y3). The results showed that the use of whey concentration had an influence on the characteristics of nata de coconut milk with Fvalue for the yield model, thickness model, moisture content model, and whey was 17.94,  24.83, 14.72, and 14.72. The optimum concentration of whey that is right for making nata de coconut milk was 49.07% with a desirability value of 0.89, the optimum yield was 29.71%, the optimum thickness was 1.13 cm, and the optimum moisture content was 89.7%.
CHEMICAL AND ANTIOXIDANT CHARACTERISTICS OF FERMENTED YELLOW PUMPKIN FLOUR WITH VARIATION OF MICROORGANISMS AND FERMENTATION TIME Anisa Rachma Sari; Aldila Sagitaning Putri; Devy Angga Gunantar
Jurnal Pangan dan Agroindustri Vol. 12 No. 1: January 2024
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2024.012.01.3

Abstract

Pumpkin flour produced through fermentation can increase its nutritional value. This study aims to analyze the chemical characteristics and antioxidants of fermented pumpkin flour with variations in microorganisms and fermentation time, as well as the correlation between the two factors, and determine the best formulation. This study used a factorial group randomized design method with two factors, namely, variation of microorganism and fermentation time. The data obtained were analyzed using factorial ANOVA, followed by the Duncan Multiple Range Test (DMRT) test with a confidence level of 95% using SPSS 23. The chemical characteristics of fermented pumpkin flour showed an interaction between fermentation microorganisms and the length of fermentation time on the antioxidant activity of fermented pumpkin flour, but there was no interaction between fermentation microorganisms and the length of fermentation time on the moisture content, ash, protein, fat, and carbohydrates of fermented pumpkin flour. Fermentation by S. cerevisiae for 3 days had the best chemical characteristics and antioxidant activity of fermented pumpkin flour. Researchers hope that the application of fermentation in processing pumpkin into flour can increase the nutritional value, the economic value, and the value of health.
EFFECT OF FERMENTATION TIME AND ROASTING TEMPERATURE ON THE CHARACTERISTICS OF WINE COFFEE ARABICA SEMERU Jaya Mahar Maligan; Swandayani Utami Kosasih; Mochamad Nurcholis; Feronika Heppy Sriherfyna
Jurnal Pangan dan Agroindustri Vol. 12 No. 1: January 2024
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2024.012.01.4

Abstract

This study was conducted to identify the best fermentation period and roasting temperature for semeru arabica wine coffee. This study used the factorial RSBD research approach (three levels of roasting temperature and four levels of fermentation duration). Physicochemical and organoleptic data were analyzed using ANOVA 5%, LSD 5%, and HSD 5%. Then, the best treatment's ash alkalinity, coffee juice content, and caffeine level were assessed. According to the study, the fermentation period has impact on the moisture level of green beans, the moisture and ash content of roasted beans, acidity, body, and balance. The water and ash content of roasted beans, aroma, flavor, acidity, aftertaste, body, balance, and overall attribute, are influenced by the roasting temperature. Then the interaction between factors significantly affects the water content of roasted beans, flavor, acidity, and body. The best treatment achieved a total score of 81.83 (40 days, 200 °C).
MICROBIAL SUCCESSION DURING THE FERMENTATION OF SEMERU ARABICA COFFEE IN WINE COFFEE PRODUCTION Feronika Heppy Sriherfyna; Neysa Nurjananah Khairanny; Mochamad Nurcholis; Jaya Mahar Maligan
Jurnal Pangan dan Agroindustri Vol. 12 No. 1: January 2024
Publisher : Department of Food Science and Biotechnology, Faculty of Agriculture Technology, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpa.2024.012.01.5

Abstract

The current trend in coffee product diversification is wine coffee, which has a wine-like flavor and aroma. Reviews of wine coffee are still limited, especially those related to microbial succession during the fermentation process. The objective of this research was analyzing the microbial population and the effect of microbial succession during fermentation process of Arabica Semeru coffee. The analysis was conducted by identifying microbes microscopically and macroscopically. The results of microbial identification during the 30-day fermentation showed populations of yeast, lactic acid bacteria, and acetic acid bacteria. Along with the length of fermentation time, the temperature decreased and the pH fluctuated and stabilized after 16 days of fermentation. There was an increase in sugar and protein content, from 0.61% to 2.87% and 2.13% to 2.23%, respectively. The ethanol content reached 0.047% at the end of fermentation. The microbial exploration was required for further investigation in understanding its role during fermentation process.

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