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All Journal Indonesian Food Science and TechnologyJournal Jurnal Sinergitas PkM & CSR
Nolita, Maurelle
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Environmental Science Public Health Social Sciences

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Utilization of Rosella as a Natural Color and Source of Antioxidants for Soybean Hull Nata Nolita, Maurelle; Suharso, Eveline; Kurniawan, Christine J; Anugrahati, Nuri A.; Parhusip, Adolf J. N.; Soedirga, Lucia C.; Matita, Intan C.
Indonesian Food Science and Technology Journal Vol. 7 No. 2 (2024): Volume 7. Number 2, July 2024 |IFSTJ|
Publisher : Department of Technology of Agricultural product (THP) Jambi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/ifstj.v7i2.31949

Abstract

Nata is a fiber-rich cellulose formed through the fermentation of sugar by Acetobacter xylinum bacteria. Soybean hull waste has a nutritional content of 14.45% protein, 3.04% fat, 3.15% ash, 47.01% crude fiber, and 32% total iron minerals, making it suitable as raw material in making nata sheets. Rosella flowers contain anthocyanins that can be used as a natural red colorant in food products. The addition of rosella flower crude extract to nata will increase the visual and functional values of nata. This study aims to determine the best concentration of rosella flower crude extract (0%, 2%, 4%, 6%) based on the characteristics and functional value of nata made from soybean hulls. The best concentration of rosella flower crude extract in this study is 6%, producing nata with 0.776±0.020 mM antioxidant, 2.230±0.276 mg/L anthocyanin, 67.40±0.063 L*, 48.84±0.740 °hue (red color), 13.96±0.770 C*. The scoring test results show that nata with 6% rosella flower crude extract has ‘slightly no foreign taste’ (4.55±1.197), ‘slightly no foreign aroma’ (4.80±0.966), and ‘slightly red’ color (4.20±0.687). The hedonic test results show that panelists ‘slightly like’ the taste (5,12±1,22), aroma (5,15±1,17), and color (5,57±1,11) of the nata.
WORKSHOP ON THE MAKING OF TEA-BASED BURSTING BOBA AT SMA KRISTEN KARUNIA JAKARTA Soedirga, Lucia Crysanthy; Anugrahati, Nuri Arum; Natania, Natania; Nolita, Maurelle; Joannita Kurniawan, Christine
Jurnal Sinergitas PKM & CSR Vol. 7 No. 2 (2023): OCTOBER
Publisher : Universitas Pelita Harapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19166/jspc.v7i2.7416

Abstract

Tea is one of the beverages widely consumed due to its functional aspects, yet its applications remain limited primarily to brewing. Another product that has gained significant popularity among the community, especially school-age children, is bursting popping boba due to its explosive sensation in the mouth. Bursting popping boba is produced using the spherification technique, a molecular gastronomy component. It is commonly based on sugar or syrup solutions. One approach that can enhance tea product diversification is transforming it into bursting popping boba. However, tea-based bursting popping boba has yet to be widely recognized by the public, exceptionally high school students. Hence, there is a need for a workshop on the production of bursting popping boba. This workshop was held on November 4, 2022, at SMA Kristen Karunia Jakarta. The Community Service Program activity was successfully executed and received positive feedback from the high school students of SMA Kristen Karunia Jakarta, as indicated by the questionnaire results. Specifically, 97.5% of the participants found this activity beneficial and informative. In comparison, 92.5% expressed interest in participating in such activities again. 
Co-Authors Anugrahati, Nuri A. Dr. Adolf J.N. Parhusip Joannita Kurniawan, Christine Kurniawan, Christine J Lucia Crysanthy Soedirga Matita, Intan C. Natania, Natania Nuri Arum Anugrahati Suharso, Eveline