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Tri Agus Siswoyo
Program Studi Magister Bioteknologi, Universitas Jember, Jl. Kalimantan, Kampus Tegal Boto, Jember 68121, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Veterinary

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Journal : e-Journal Pustaka Kesehatan

 1 
Analisis In Vivo Aktivitas Antihipertensi dari Protein Biji Melinjo (Gnetum gnemon) Terhidrolisis Yeni Tri Puspitaningrum; Erfan Efendi; Tri Agus Siswoyo
Pustaka Kesehatan Vol 2 No 2 (2014)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

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Abstract

Hypertension is a serious health problem and requires a good handling. An alternative treatment for hypertension is required due to the treatment of hypertension took a long period of time causing unwanted side effects. Melinjo seed hydrolyzed-proteins have an ACE-inhibitor activity, an antihypertensive effect. This study aimed to determine the antihypertensive effects of melinjo seed hydrolyzed-proteins in hypertensive rats. Wistar rats induced with prednisone 1,5 mg/kg body weight and 2% NaCl for 7 days and then treated. There were 7 groups: a normal group K, a group K(-) which is a hypertensive rats without treatment, a group K(+) which is hypertensive rats with captopril 2,5 mg/kg body weight on day 8th, and four treatment groups P1, P2, P3, and P4 which are hypertensive rats with melinjo seed hydrolyzed-proteins with a dose of 5, 10, 20, and 30 mg/kg body weight on day 8th, respectively. Blood pressure was measured before and after treatment every 1 hour for 5 hours. The results showed that melinjo seed (Gnetum gnemon) hydrolyzed-proteins can decrease blood pressure in hypertensive rats.   Keywords: Antihypertensive, Gnetum gnemon, Hydrolized-Protein, Blood Pressure
Aktivitas Antioksidan dan Kemampuan Proteksi terhadap Kerusakan DNA dari Protein Isolat Biji Melinjo (Gnetum Gnemon L.) Terhidrolisis Menggunakan Alkalase Terimobilisasi (Antioxidant Activity and Protection Ability Against DNA Damage of Isolate Protein Me Anandini Aulia Safiera; Endah Puspitasari; Tri Agus Siswoyo
Pustaka Kesehatan Vol 5 No 2 (2017)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/pk.v5i2.5870

Abstract

Hydrolyzed protein isolates of melinjo seed using free alcalase has been known to have antioxidant potential. However, free alcalase can only be used once. Enzymes immobilization technique with entrapment method would overcome this problem. The immobilized enzyme characteristic was observed by SEM and hydrolysis degree value. The success of hydrolysis process was observed by SDS-PAGE. Antioxidant activity test was determined by the ability to inhibit hydroxyl radical and protection against DNA damage in 1% agarose gel. The result showed that protein isolates from melinjo seed had been successfully hydrolyzed by immobilized alcalase. Following hydrolysis showed that immobilized alcalase was effective to hydrolyze protein up to four times. Based on hydroxyl radical reduction activity test, antioxidant activity of hydrolyzed protein using immobilized alcalase had the same as that of glutathione as positive control antioxidant activity. In addition, hydrolyzed protein using immobilized alcalase had the ability toprotect DNA damage which showed by reversible change of supercoil band. Keywords: melinjo seed, hydrolyzed protein, immobilized alcalase, antioxidant
Hidrolisis Protein Isolat Biji Melinjo (Gnetum gnemon L.) menggunakan Alkalase Terimobilisasi dan Aktivitasnya sebagai Antihipertensi (Hydrolysis of Melinjo Seed (Gnetum gnemon L.) Isolated-Protein using Immobilized Alcalase and Its Activity as Antihyper Nur Fauziah Matra; Endah Puspitasari; Tri Agus Siswoyo
Pustaka Kesehatan Vol 6 No 1 (2018)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/pk.v6i1.6612

Abstract

Hypertension is ranked third on the cause of death in Indonesia for all ages (6.8 %). Protein isolate of melinjo seeds (Gnetum gnemon L.) hydrolyzed with free alcalase has been known to have antihypertensive activity. However, the use of free alcalase is uneconomical since it can only be used once, thus we studied the immobilized alcalase effectivity to hydrolise the melinjo seeds protein isolate to be used as angiotensin converting enzyme (ACE) inhibitor. The immobilization method used entrapment method with DMDMOS/TMOS as matrix. Characterization of the immobilized enzyme was observed by FTIR and effectiveness of repeated hydrolysis was observed by the value of the degree of hydrolysis. The success of the hydrolysis process was determined by SDS-PAGE electrophoresis. Antihypertensive activity test was determined by the ability to inhibit ACE. The results showed that the alcalase has been immobilized in the matrix of silane and SDS-PAGE protein profile showed melinjo seed proteins had been successfully hydrolyzed. Hydrolysis process repeatedly demonstrated that immobilized alcalase was effective to hydrolyze protein isolates of melinjo seeds twice. Based on ACE inhibitory test, there were no significant differences between the protein isolate hydrolyzed by immobilized alcalase (Gg-PH), protein isolates hydrolyzed with free alcalase (Gg-PHB), and captopril. These findings suggest that the antihypertensive activity in Gg-PH is the same with that of captopril. Keywords: hypertension, antihypertensive, melinjo, enzymes immobilization, ACE inhibitor
Uji Aktivitas Protein Isolat Biji Melinjo (Gnetum gnemon) sebagai Antihipertensi secara In Vivo Kartika Tari Azhar; Tri Agus Siswoyo; Ali Santosa
Pustaka Kesehatan Vol 2 No 3 (2014)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

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Abstract

Hipertensi merupakan suatu keadaan seseorang ketika terjadi peningkatan tekanan darah sistolik ≥ 140 mmHg dan/atau tekanan darah diastolik ≥ 90 mmHg. Pengobatan jangka panjang hipertensi menimbulkan beberapa efek samping sehingga diperlukan suatu alternatif pengobatan untuk hipertensi, misalnya dengan protein isolat biji melinjo. Penelitian ini bertujuan untuk mengetahui efek antihipertensi dari protein isolat biji melinjo pada tikus hipertensi. Tikus wistar diinduksi dengan prednison 1,5 mg/kgBB dan NaCl 2% selama 7 hari kemudian diberi perlakuan. Terdapat 7 kelompok perlakuan, kelompok K merupakan tikus normal, kelompok K(-) adalah tikus hipertensi tapi tidak diberi perlakuan, kelompok K(+) adalah tikus hipertensi dan diberi kaptopril 2,5 mg/kgBB pada hari ke-8, kelompok P1, P2, P3, dan P4 merupakan tikus hipertensi dan masing-masing diberikan protein isolat biji melinjo dengan dosis 5 mg/kgBB, 10 mg/kgBB, 20 mg/kgBB, dan 30 mg/kgBB pada hari ke-8. Tekanan darah diukur sebelum dan setelah diberi perlakuan tiap 1 jam selama 5 jam. Data dianalisis secara statistik menggunakan uji Kruskal Wallis dan Mann. Dari hasil penelitian menunjukkan bahwa protein isolat biji melinjo tidak dapat menurunkan tekanan darah tikus model hipertensi.   Kata kunci: Antihipertensi, Gnetum gnemon, Protein Isolat, Tekanan Darah 
Co-Authors A.A. Istri Ratnadewi AA Sudharmawan, AA Adrian Syawaluddin Siregar Adrian Syawaluddin Siregar Agustin, Vira Audita Ahnaf, Yusuf Dary Ali Santosa Anandini Aulia Safiera Aprila Iga Mufidah Arbi Bahtiar Boedi Iman Halanobis Azmi Saleh Bambang Kusmanadhi Bambang Sugiharto Bambang Sugiharto Bambang Sukowardojo Bambang Sukowardojo Budipratiwi Wisudyaningsih Budipratiwi Wisudyaningsih Djenal . Djenal Djenal Dwi Setyawan Endah Puspitasari Erfan Efendi Erma Sulistyaningsih Fariza Oktaviani Fitra Dea Wafa Frida Oktaningtias Widiarthi Harianti Novita Ika Oktavianawati Irma Novita Sari Jainur Rochman Kacung Hariyono Kartika Tari Azhar Khozin, Mohammad Nur Kumalasari, Ardine Kumalasari, Ardine Laily Ilman Widuri, Laily Ilman Lenny Widjayanthi Lina Asri Wulandari listya purnamasari Martiyas Pujirahayu Mohammad Ubaidillah Muhammad Hazmi Nabila Nur Aisyah Al Ayyubi Niagra, Risnanda Deva Martha Norry Eka Palupi Nur Fauziah Matra Nurul Pratiwi Parawita Dewanti Rahmawati Rahmawati Restanto, Didik Restanto, Didik Pudji Reza Septyan Pratama Sari, Leny Yulia Widia Sholeh Avivi Sigit Soeparjono Siswandono, Siswandono Sitompul, Novrida Yanti Slameto Slameto Sri Hartatik Tri Ardiyati TRI HANDOYO Ubaidillah, Mohammad Untung Murdiyanto Untung Murdiyanto Untung Murdiyanto Widya Kristiyanti Putri Wulanjari, Distiana Wuryanti Handayani Yagus Wijayanto Yeni Tri Puspitaningrum Yudi Wicaksono