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Journal : INDONESIAN JOURNAL OF PHARMACY

AKTIVITAS PENGANGKAPAN RADIKAL POLIFENOL DALAM DAUN TEH Rohdiana, Dadan
Indonesian Journal of Pharmacy Vol 12 No 1, 2001
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.731 KB) | DOI: 10.14499/indonesianjpharm0iss0pp52-58

Abstract

Ability of free radical scavengers of various tea extracts (black tea, fermented tea; green tea , unfermented tea; oolong dan pouchong tea semifermented tea) was studied. The scavenging effects on active oxygen decreased in order semifemented tea > unferfmnted tea > fennented lea. Antioxidant activity on tea often might related wthi catechin presence. Catechin activity as antioxidant estabilished. Several epidemilogical and phartnacokgical research shown that catechin had a strongly antioxidan activity. (-)-epigallocatechin gallate (EGCG) and (-)-epicatechin gallate (ECG) are the major catechin of ~ tea This compounds had a strongly scavenging activity on free radical such as superoxide, hydrogen superoxide, DPPH and peroxynitdte. This review aim to exploited~ tea Oyphenols ability as free radicals sw vengers Key word: antioxidant activity, active oxygen, scavenging effect
Evaluation of inhibitory effect of Green Tea effervescent tablet on linoleic acid oxidation Dadan Rohdiana; Sri Raharjo; Murdijati Gardjito
Indonesian Journal of Pharmacy Vol 16 No 2, 2005
Publisher : Faculty of Pharmacy Universitas Gadjah Mada, Yogyakarta, Skip Utara, 55281, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (163.34 KB) | DOI: 10.14499/indonesianjpharm0iss0pp76-80

Abstract

Evaluation of the inhibitory effect of green tea effervescent tablet (TETH) on linoleic acid oxidation was carried out. TETH had the highest inhibitory effect on linoleic acid as compared with BHA, BHT, α-tocopherol and TETH-C. On tenth days incubation, TETH inhibited of linoleic acid oxidation is 50.64% followed by TETH-C, α-tocopherol, BHT and BHA as 33.83%; 33.40%; 29.51% and 26.39% respectivelly. TETH had a inhibitory effect is 1.5 times more than TETH-C and α-tocopherol or 1.7 and 1.9 times more than BHT and BHA respectivelly.Key words: inhibitory effect, green tea effervescent tablet, linoleic acid oxidation
Co-Authors A Rustamsyah A Rustamsyah, A Achmad Imron Rosyadi Adang Firmansyah Akhmad Endang Zainal Hasan Amalia Rahma Ananda, Marsha Radhia Andita Mega Priantiwi Andita Mega Priantiwi, Andita Mega Andri Agustav Wirabudi Angga Rusdinar Anik Setiawati Anik Setiawati, Anik Ardi Rustamsyah Ardi Rustamsyah Arista Budiman Arista Budiman, Arista Asep W. Perdana Asri Widyasanti Awaliah, Nisa Azmi, M. Haikal Beauty Azhary Bina Lohita Sari Budi Setiawan Cece Sumantri Citra Ratu Pelangi Citra Ratu Pelangi, Citra Ratu Clara Meliyanti Kusharto Darningsih, Sri Dede Zainal Arief, Dede Zainal DIMAS ANDRIANTO Dinda Nuraini Maulfida Dini Febrianty Dong Ho Lee Dwi Putra, Januar Hafiz Dwiyan Nugraha Dytha Andri Deswati, Dytha Andri Ekatama, Novriana Evy Damayanthi Faillah, Umi Lutfiatul Fani Fauziah Farddani, Chintya Listiarsi Fauzan, Fajar Akmal Fauzi, Ridho Hadi Riyadi Hanipah, Anida Hanny Hafiar Hasna Zakiyah Heddy Julistiono Heri Aryadi Hidayat, Taufik Septiyan Hijaya, Andi Hilman Maulana Hilman Maulana Hilman Maulana I Gusti Bagus Wiksuana Ida Maryam Ika D. Mayangsari Ikrawan, Yusep Isti Agnia Lutfiah Isti Agnia Lutfiah, Isti Agnia Komar Ruslan Wirasutisna Komar Ruslan Wirasutisna Kristin, Julia M Iqbal Prawira-Atmaja M. Iqbal Prawira-Atmaja Mamay Somantri Mamay Somantri, Mamay Marlinda Adham Martini, Rina Maryam, Ida Mimin Kusmiyati, Mimin Miranti Putri Utami Muhamad Alvin Adriyan Muhamad Insanu Muhammad Insanu Muhammad Iqbal Prawira-Atmaja Mukhammad Iqbal Prawira-Atmaja Mukhammad Iqbal Prawira-Atmaja Murdijati Gardjito Novi Susanti Nuni Yunita Nuni Yunita, Nuni Nurlita, Selvi Nurzanah, Fitri Prawira-Atmaja, Mukhammad Iqbal Rachmat Mauludin Rahayu, Dien Puji Rendy Munadi Rimbawan , Rimbawan Rimbawan Rina Martini Rohayati Suprihatini Rosialani, Resa Rosyanne Kushargina Rosyanne Kushargina Sahara, Putri Siti Sari Agustin Shabri Shabri Shabri Shabri Shabri Shabri Shabri Shabri Shabri Shabri, Shabri Siti Hajar Siti Hajar Sri Anna Marliyati Sri Raharjo SUGENG HARIANTO Sugeng Harianto Sugeng Harianto Sugeng Haryanto SUHARYANTO SUHARYANTO Syumillah Saepudin Tri Halimah Tri Panji Yayat Sudaryat Yunita Al-Azzahra Yusianto Yusianto Yusianto Yusianto, Yusianto Zahra, Nur Adni Azkia Zanil Musa