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All Journal Jurnal Teknologi Dan Industri Pangan Jurnal Teknik Industri Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Majalah Ilmiah Peternakan Jurnal Kedokteran Brawijaya JURNAL SAINS DAN TEKNOLOGI INDONESIA Biotropika Jurnal Ilmu Kimia Universitas Brawijaya Jurnal Teknologi Pertanian Proceeding International Conference on Global Resource Conservation Natural B The Journal of Pure and Applied Chemistry Research Indonesian Journal of Human Nutrition SEMIRATA 2015 agriTECH Indonesian Journal of Biotechnology Suhuf Animal Production : Indonesian Journal of Animal Production Journal of Applied Food Technology Islamika : Jurnal Agama, Pendidikan dan Sosial Budaya Jurnal Ilmiah Kesehatan (JIKA) Jurnal Kedokteran Hewan
Aulanni'am, Aulanni'am
Universitas Brawijaya
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Journal : Jurnal Teknologi Pertanian

 1 
The Use of Ammonium Sulphate for Partial Purification of Proteases Obtained from the Latex of Milkweed Plant (Calotropis gigantea) Witono, Yuli; Aulanni'am, Aulanni'am; Subagio, Achmad; Widjanarko, Simon Bambang
Jurnal Teknologi Pertanian Vol 7, No 1 (2006)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The latex of milkweed plant (Calotropis gigantea) is known to have proteolytic activities. The research was conducted to evaluate the use of ammonium sulphate for partial purification of such enzymes. The phosphate buffer extract of the latex was first centrifuged to precipitate gum and non-proteinous matter. The supernatant was then treated with ammonium sulphate to achieve the respective degree of saturation, namely 35, 50, 65 and 80%. It showed that the use of ammonium sulphate at 65% degree of saturation was the optimum condition, and produced a partially purified enzyme with proteolytic activity which was not significantly different from that obtained from the use of the same salt at 80% degree of saturation. Nonetheless, the supernatant still showed a substantial degree of proteolytic activity, indicating that the latex contained a various types of proteases. Key Word: Milkweed plant (Calotropis gigantea), protease, partial purification
Extraction and Characterization of Endogenous Polygalacturonase Enzyme in Cocoa Pulp Gandaputra, G. P.; Harijono, Harijono; Susanto, Tri; Kumalaningsih, Sri; Aulanni'am, Aulanni'am
Jurnal Teknologi Pertanian Vol 8, No 1 (2007)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Endogenous polygalacturonase (PG) enzymes in cocoa pulp have not been studied yet. The research, aimed to extract and characterize endogenous PG enzymes in cocoa pulp, was carried in two steps: (i) extraction of endogenous PG enzyme and (ii) enzyme characterization i.e. enzyme activity assay and determination of enzymatic kinetics (Km and Vmax), molecular weight (MW) by electrophoresis, and determination of its optimum temperature and pH. The results showed that the characteristics of endogenous PG in cocoa pulp were as followed: the relative activity of 4,58± 0,06 Units/ml,  Vmax of 6,69 Units/ml, Km of 0,37 %, MW was 32,84 and 63,58 kDa, and the combination of temperature and pH optimum were 42,5oC and 4,6. Key words: endogenous polygalacturonase (PG), cocoa pulp
Co-Authors A. Harijono A.A. Ketut Agung Cahyawan W Achmad Subagio Agung Pramana Warih Mahendra Agung Pramana Warih Marhendra, Agung Pramana Warih Alifiani Nur Rohma Almas Dwi Khairana Alvi Milliana Amiruddin A Anna Roosdiana Anna Roosdiana Annis Catur Adi Annisa Rizky Maulidiana Ardian Retno Sari Arie Srihardyastutie Arman Sayuti Avin Ainur Fitrianingsih Badriyah B Basuki B. Purnomo Basuki B. Purnomo Basuki B. Purnomo Betti Lukiati Binawati Ginting Budi Siswanto Chanif Mahdi Chanif Mahdi Chanif Mahdi Chanif Mahdi Chanif Mahdi Charlotha I. Tupan D. Arfiati Darwadi, Rizky Prayoga Deasy Luandayanti Dewi, Devis Resita Diyan Ajeng Rossetyowati Dwinna Aliza E. Y. Herawati Elfi Anis Saati Erdiansyah Rahmi Erdiansyah Rahmi Eva Ari Wahyuni fatchiyah . Fauziah Fauziah Fauziah Usman G Riady, G G.P. Ganda Putra Gatot Ciptadi H. Purnomo Hamdan Hamdan Hendra Susanto I Nengah Kundera I.D. Retnaningtyas Ida Ayu Okarini Inggita Kusumastuty Ira Perdana Wati Izzatul Lailiyah Kurniasari, Balqis L. E. Radiati Lailia Nur Rachma Latifah Tribuana Dewi Luh Putu Gina Luh Putu Gina M. Aris Widodo M. Aris Widodo M. Aris Widodo M.F. Wadjdi Made Oka Adnyana Mahdi, Chanif Marhendra, Agung P.W. Maris Kurniawati Marissa Agnestiansyah Mahardhian Maulidya Aulia Fiqriyana Megawati Sistin Agustita Mudawamah Mudawamah Muhaimin Rifa'i Muhamad Agus Wibowo Muhammad Aris Widodo Muhammad Asadullah Muhammad Hambal Muhammad Hambal Mulyadi Adam Muslim Akmal Muslim Akmal Muslim Akmal Muslim Akmal Nany Suryani Noer Muhammad Dliyaul Haq, Noer Muhammad Dliyaul Nur Ducha Nur Ihsan Nurhaida Nurhaida Nurmahdi, Hilman Nurul Jadid Mubarokati P.S.W, kusuma Prawiro, Sumarno Reto Putri Puspitasari Rachmawati Dwi Agustin Rahma, Kartika Rahmawati, Siti Irma Rara Anggun Mei Nirbaya Retty Ratnawati Reviana Setin Ricadonna Raissa Rista Nikmatu Rohmah Rista Nikmatu Rohmah, Rista Nikmatu Roosdiana, Anna S. Susilowati Sanarto Santoso Sasangka Prasetyawan Sasangka Prasetyawan Sasangka Prasetyawan SIMON BAMBANG WIDJANARKO SOETJIPTO . Soraya Widyasari Soraya Widyasari, Soraya Sri Kumalaningsih Sri Rahayu Sri Wahyuningsih Sri Winarsih Sudiyono Sudiyono Suharti Sukamto Sukamto Sutiman B. Sumitro Sutiman B. Sumitro Syafruddin S T Armansyah, T T Susilawati T. Armansyah THEOVILLA RRD, THEOVILLA Tinny Endang H Tinny Endang Hernowati TN Siregar, TN Tongku N. Siregar Tongku Nizwan Siregar Tri Susanto Vivi Shofia Wibi Riawan Win Darmanto Yenni Risjani Yuli Witono Yulianus Linggi Yustika, Agnes Ratna