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All Journal WARTAZOA Indonesian Bulletin of Animal and Veterinary Sciences Jurnal Pangan dan Agroindustri AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Warta IHP (Warta Industri Hasil Pertanian) Jurnal Sains dan Teknologi Pangan Pro Food Jurnal Pengabdian Pada Masyarakat TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian Journal of Multidisciplinary Applied Natural Science Jurnal Teknologi Hasil Peternakan JOMPA ABDI: Jurnal Pengabdian Masyarakat Communication in Food Science and Technology TeknoKreatif: Jurnal Pengabdian kepada Masyarakat KREATIF Jurnal Pengabdian Masyarakat Sains dan Teknologi Jurnal Standardisasi Jurnal Sains dan Teknologi Pangan
Syahrizal Nasution
Institut Teknologi Sumatera
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Veterinary Other

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Journal : Journal of Multidisciplinary Applied Natural Science

 1 
Antimicrobial and Antioxidant Activities of Various Freeze-Dried Yogurt Fermented with The Addition of Pineapple: An In Vitro Study Auli, Winni Nur; Fajriani, Rahmatul; Anisah, Nadya; Lianti, Lita; Rahmadi, Isnaini; Nasution, Syahrizal
Journal of Multidisciplinary Applied Natural Science Vol. 5 No. 2 (2025): Journal of Multidisciplinary Applied Natural Science
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.274

Abstract

As a fermented milk, yogurt is functional food which contains a lot of bioactive compounds beneficial for human health. Yogurt can also be made with the addition of fruit such as pineapple, where pineapple contains phytochemical compounds as antimicrobial and antioxidant. This research aims to determine the antimicrobial and antioxidant activity of freeze-dried yogurt with raw material skim milk, full cream, and soy powder with addition of pineapple juice. Antimicrobial activity was conducted using disc diffusion and macro-dilution methods. While antioxidants activity conducted using the DPPH method at a maximum wavelength of 516 nm and FTIR method. The results showed that the antimicrobial activity of freeze-dried yogurt macro-dilution method against Escherichia coli showed that most yogurt at a concentration of 1 g/mL could be determined as minimum bactericidal concentration (MBC). Antioxidant activity showed pineapple soy yogurt has the lowest IC50 namely 43.67 ± 0.21 μg/mL. Functional group analysis of samples with the highest antioxidant activity in pineapple soy yogurt showed C–H, C–C, C=O, N–H, C=C, and amide II groups. The antimicrobial and antioxidant activities of freeze-dried yogurt are influenced by the raw materials used and the addition of pineapple fruit.
Co-Authors Adinda Kusuma Ramadhanti Anisa Saputri Anisah, Nadya Atri Sri Ulandari Auli, Wini Nur D N Faridah Dea Tio Mareta Dea Tio Mareta Dina Fithriyani Dina Fithriyani Dina Fithriyani Ditaria Al Hasanah E Kusumaningtyas Eni Kusumaningtyas Fadilla, Finna Fathin Fajriani, Rahmatul Faridah, D N Grace Sihombing Harmiansyah Harsi D. Kusumaningrum Hesti Ayuningtyas Pangastuti Ihsanti Dwi Rahayu Ilham Marvie Isnaini Rahmadi Jajang Gumilar Khairunisa Nurdiani Kusmayadi Suradi Kusumaningtyas, E Lasuardi Permana Lianti, Lita Lita Lianti Lita Lianti Lubis, Laura Indah Thesalonica Lutfi Maulana Madi Madi Manurung, Surya Christien Margiati, Ririn Masayu Nur Ulfa Muhammad Rizky Ramanda Nina Lutfia Munawaroh Nur Phi Lintang Kamulyan Sulityo Pangastuti, Hesti Ayuningtyas Purba, Noviana Christy Grace Putri, Diana Rizkia Rahmadi, Isnaini Rajab Amran, Fajri Ramadhanti, Annisa Nandha Ramanda, Muhammad Rizky Retno Koostati Ririn Margiati Risdiana, Chinta Rudi Setiawan Samsu Udayana Nurdin Samsu Udayana Nurdin Sari, Anjelin Novita Simanullang, Gayatri Wahyuningtyas, Amalia Winni Nur Auli Yatima, Yatima Yosi Syafitri Yulistin, Rahmi Zada Agna Talitha Zada Agna Talitha Zakiah Wulandari