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All Journal Jurnal AGROTEKNOLOGI Jurnal Teknologi Pangan dan Gizi agriTECH Praxis : Jurnal Sains, Teknologi, Masyarakat dan Jejaring SABDAMAS INTEGRITAS : Jurnal Pengabdian Jurnal Abdi Insani ABDINE Jurnal Pengabdian Masyarakat
Thomas Indarto Putut Suseno
Universitas Katolik Widya Mandala Surabaya
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Pengaruh Perbedaan Warna Pigmen Beras Organik terhadap Aktivitas Antioksidan Paini Sri Widyawati; Anita Maya Suteja; Thomas Indarto Putut Suseno; Pricilia Monica; William Saputrajaya; Christian Liguori
agriTECH Vol 34, No 4 (2014)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.214 KB) | DOI: 10.22146/agritech.9434

Abstract

Organic Rices, such as Jasmine variety white organic rice, Saodah variety red organic rice, and Java variety black organic rice, are many cultivated by farmer in Indonesia, especially Sleman area, DI Yogyakarta. The potency of three varieties of organic rice as antioxidant source hasn’t been studied. Therefore this research was done to know the effect of pigment color difference in three varieties of organic rice on antioxidant activity, especially 1,1-diphenyl-2- pycrylhydrazyl (DPPH) radical scavenging activity and ion reducing power. The results showed that Saodah variety red organic rice had the highest antioxidant potency because it had the highest total phenol and total flavonoid, 37.93 mg GAE/g sample dry base and 0.85 mg CE/g sample dry base, respectively. However Saodah variety red organic rice had total anthocyanin lower than that of Java variety black organic rice, 0.0025 mg/g sample dry base and 0.024 mg/g sample dry base, respectively. Anthocyanin compounds identified in three varieties of organic rice were cyanidine-3-glucoside at 32 minute time retention and peonidine -3-glucoside at 37 minute time retention. 1,1-diphenyl-2-pycrylhydrazyl (DPPH) radical scavenging activity and ion reducing power of Saodah variety red organic rice were the highest, 0.90 mg equivalent vitamin E/g sample dry base and 278.28 mg equivalent vitamin E/g sample dry base, respectively. ABSTRAKBeras organik, meliputi beras putih varietas Jasmine, merah varietas Saodah, dan hitam varietas Jawa, banyak dibudidayakan oleh masyarakat di Indonesia, terutama daerah Sleman, D.I. Yogyakarta. Potensi ketiga jenis beras tersebut sebagai sumber antioksidan belum banyak dikaji. Oleh karena itu penelitian ini dilakukan untuk mengetahui pengaruh perbedaan pigmen pada ketiga jenis beras organik tersebut terhadap aktivitas antioksidan, khususnya kemampuan menangkap radikal bebas 2,2-difenil-1-pikrilhidrasil (DPPH) dan mereduksi ion besi. Hasil menunjukkan bahwa beras organik merah varietas Saodah paling berpotensi sebagai sumber antioksidan. Hal ini ditunjukkan dengan total fenol dan total flavonoid beras merah tertinggi dibandingkan kedua beras yang lain, masing-masing sebesar 37,93 mg GAE/g sampel db dan 0,85 mg CE/g sampel db. Meskipun beras organik merah mempunyai total antosianin (0,0025 mg/g sampel db) lebih rendah dari beras organik hitam (0,024 mg/g sampel db). Jenis senyawa antosianin yang terdeteksi pada ketiga jenis organik ini adalah sianidin-3-glukosida yang terdeteksi pada waktu retensi 32 menit dan peonidin-3-glukosida dengan waktu retensi 37 menit. Kemampuan menangkap radikal bebas DPPH dan kemampuan mereduksi ion besi beras organik merah tertinggi, masing-masing sebesar 0,90 mg ekuivalen vit E/g sampel db dan278,28 mg ekuivalen vit E/g sampel db.
Co-Authors ., Lynie A., Kevin Oktajaya L. Adriana Anteng Anggorowati Andreas, Stefanie Lorily Andrew Joewono, Andrew Andriani, Angelica Andriani, Timara Angkadjaja, Anita Anita Maya Suteja Ann, Kho Chin Anna Ingani Widjajaseputra Banua, Agnes Caroline Budoyo, Edwin Aleksander Septian Chatarina Yayuk Trisnawati Chrisella, Angela Christian Liguori Dian I Y Ribka Stefanie Wongso, Paini Sri Widyawati, Tarsisius D B Fenny A K, Evelyn L W, Dian I Y Dyancandra, Gabriella Natasha Dyna Rachmawati Erlienawati, Tabitha Christina Febriani, Veronika Devina Fransisca, Ina Maria Gani, Yohana Fransisca Handoyo, Alvina Heveni, Enjela Ignatius Srianta Ira Nugerahani Jati, Ignasius Radix A.P. Jaya, David Putra Jaya, Yohan Adi Jeremiah, Chris Saphyra Josopandojo, Brigitta Juanda, Keiko Zefanya Karjo, Stefani Karin Kevin Christanto Kristyanto, Visi Saujaningati Kusuma, Theodora Dessryna Kuswardhani, Indah Laiman, Sean Jonathan Malehere, Mario Marvin Putra Nayottama, Ignasius Pamudji Anggaraksa Netty Kusumawati Novitasari, Melinda Paini Sri Widyati Palit, Wilthy Clinton Freinadementz Pradnyasari, Ida Ayu Putu Ratih Pricilia Monica Ristiarini, Susana Samantha, Kezia Setijawati, Erni Setijawati, Erni Setijawaty, Erni Sinaga, Gede Tuahta Sisean Marojohan Siswanto, Catharina Jenny Swanthika Skalastika, Brigita Rambu Soebroto, Janice Utami Sunyoto, Ronny Kusuma Susana Ristiarini Susilo, Ivone Sutarjo Surjoseputro, Sutarjo Tarsisius Dwi Wibawa Budianta Tejosaputro, Karina Theresia Intan Utomo, Adrianus Rulianto Wahyudi Wibowo Widoeri, Theresia Endang William Saputrajaya Yahya, Ellen