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Journal : agritech

Production of Denatured Whey Protein Concentrate at Various pHfrom Wastewater of Cheese Industry Robi Andoyo; Anindya Rahmana Fitri; Ratih Siswanina Putri; Efri Mardawati; Bambang Nurhadi; Nandi Sukri; Rudi Saprudin Darwis
agriTECH Vol 41, No 2 (2021)
Publisher : Faculty of Agricultural Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.126 KB) | DOI: 10.22146/agritech.55439

Abstract

Wastewater produced from cheese industry is rich in biological component such as whey protein, fat and lactose. Whey protein is the residual liquid of cheese making process with a high protein efficiency ratio. The wastewater source used in this study was whey liquid from cheese processing industry located at West Java, Indonesia. Conversion of soluble whey protein into whey protein microparticle is required to produce food with nutritional value that can be adjusted to the needs of the specific target with high digestibility and palatability. Whey protein was collected by separation technique through heat treatment at specific condition. This was done by changing the heat treatment condition and pH of the samples. Changing the pH of the samples before heat treatment affect the ionic strength of the whey protein hence, altering the properties of the concentrate. This study aims to produce whey protein concentrate heated at various pH level and to observe physicochemical and functional properties of the concentrates. The method used in this research was a descriptive method conducted on three treatments and two replications namely whey protein concentrate production in a pH condition 6.4; 6.65; and 7.0. The parameters observed were physicochemical and functional properties. Furthermore, the result showed that there were decrease in protein content, along with the increasing pH before heat treatment. Microstructure image (SEM) showed a finer particles with the increasing pH. Meanwhile, solubility of the rehydrated samples tends to increase along with the increasing pH. The measurement of functional properties of the samples showed that denatured whey protein produced at different pH before heat treatment have different water holding capacity and a tendency to form bonds between protein particles thereby increasing the viscosity value. These physicochemical and functional properties were suitable for denatured whey protein to be used as a texture controller in whey protein based-food production.
Co-Authors 'Aisy, Rahadatul Abil Fadila Ade Moetangad Kramadibrata Adiyaksa, Narendra Bagus Agung Tri Mulyono Agus Try Hartono Agustien, Shilvya Dewi Ahmad Fadhlul Kamal Aisyah Hanifah Alifa Putri Anarghya Alya Azzahra S Nawawi Amaliyah, Putri Rizqi Amelia Hariry Amelia Hariry Anas Bunyamin Andi Trirakhmadi Anggraini, Sulistina Anindya Rahmana Fitri Anis Yohana Chaerunisaa Anting Wulandari Anting Wulandari Arie Hardian Arina Sabila Nurhidayat Asri Widyasanti Atiek Rostika Noviyanti Awaly Ilham Dewantoro Bambang Nurhadi Boy Macklin Pareira Prawiranegara Budi Mandra Harahap Budi Mandra Harahap Dara Nadira Daulay Darmawan, Ridho Dedy Prijatna Desy Nurliasari Desy Nurliasari Desy Nurliasari Suparno Devi Maulida Rahmah Dewantoro, Awaly Ilham Diah Meilany Dita Amelia Ihsani Dwi Purnomo Dwi Wahyuda Wira Dwi Wahyudha Wira Edy Suryadi Een Sukarminah Efatmi, Fajri Eki Dwiyan Saputra Eko Heri Purwanto Eko Heri Purwanto Elazmanawati Lembong Elni Hazar Indriantini Emanuela Rae Alodia Emilda Ayu Febrianti Endah Wulandari Fadhlurrahmah, Jauhar Faizal Syahmurman Fajri Efatmi Fathia Salsabila Emmaputri Fauzan, Muklis Fitry Filianty Fitry Filianty Ghina Haura Tsamarah Hana Nur Fitriana, Hana Nur Handarto Hanifah, Aisyah Hanni Listia Furi Harahap, Budi Mandra Hariry, Amelia Haryono Haryono Hendri Hermawan Adinugraha Herlina Marta Hidayat, Rahma Firda Hilda Ayu Aulia Imas Siti Setasih Imas Siti Setiasih In-In Hanidah Indah Mayangsari Putri Setiawan Indah Mega Kartini Insy Alimatun Hasanah Irfan Ardiansah Ismiatun, Ismiatun Jacindana Aurel Hadiyanto Januardi Kasbawati Kasbawati Kireina Farhah Nabila Lubis, Muhammad Adly Rahandi M. Ade Moetangad Kramadibrata M.T.A.P. Kresnowati Maqsudi, Shobir Muntahal Marleen Herudiyanto Maulid, Muhammad Rifqi Maulida Rahmah, Devi Ma’amor, Azman Mimin Muhaemin Mochamad Djali Mohammad Djali Muhammad Adly Rahandi Lubis Muhammad Rafli Muhammad Saukat Mulyono, Agung Tri Munajat Munajat Nadya Maharani Nanang Masruchin Nanang Masruchin Nandi Sukri Nasywa Athalia Jayusman Natasha Putri Siahaan Norisca Aliza Putriana Norisca Aliza Putriana, Norisca Aliza Nurliasari, Desi Nurliasari, Desy Nurriyanti, Anggita Halimah Nurul Afifah Octaviana Nofiarno Putri Okta Paulia Panguji Raja Sinurat Puji Lestari Puntigavere Dante Puspita Nurlilasari R. Sheila Kusumawardhani Rafli, Muhammad Rahmawati, Rahmi Rahmi Rahmawati Ratih Siswanina Putri Riska Surya Ningrum Rizika Wulandari Rizki Sendi, Cahyani Robi Andoyo Roby Andoyo Roni Kastaman Rosalinda, s S. Rosalinda S. Rosalinda, S. Saefudin, Saefudin Samsul Huda Samsul Huda Santoso, Meilanny Sarifah Nurjanah Sarinarulita Rosalinda Selly Harnesa Putri Selly Harnesa Putri Setasih, Imas Siti Setiadi, Tjandra Shidqi Syauqi Silvia Oktavia Nur Yudiastuti Silvia Yudiastuti Siti Nurhasanah Sri Suhartini, PhD Sumanti Debby Moody Sumirat, Riska Surya Martha Pratiwi Tania Nazhira Tensiska, Tensiska Tita Rialita Tita Rialita Totok Herwanto Totok Pujianto Tri Yuliana Wahyu Daradjat Wulandari, Anting Yana Cahyana Yazid Bindar Yoga Windu Wardhana Yoga Windu Wardhana, Yoga Windu Yunita Hasnah Devina