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Journal : UNEJ e-Proceeding

Isolation and Physicochemical Properties of Rice Bran Protein from Heat-Stabilized Rice Bran Kusumawaty, Inneke; Fardiaz, Dedi; Andarwulan, Nuri; Widowati, Sri; Budijanto, Slamet
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UNEJ e-Proceeding

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Abstract

Isolation and the physicochemical properties of rice bran protein concentrate (RBPC) produced from unstabilized and heat-stabilized Pandanwangi and Ciherang rice bran were studied. Rice bran stabilization process optimization done on previous research resulted in the extrusion conditions at a temperature of 130.96oC and screw speed 26.65 Hz. Kjeldahl analysis showed that protein content of unstabilized rice bran protein concentrates (URBPC) and stabilized rice bran protein concentrates (SRBPC) of Pandanwangi and Ciherang were 60.76%, 61.38%, 60.19%, and 60.23% respectively. Amino acid composition showed that polar amino acid composition of RBPC Ciherang was higher than that in Pandanwangi leading to its solubility. The protein percentage of acid-soluble glutelin of Pandanwangi was higher than that in Ciherang rice bran protein concentrate. The molecular weight were in range from 11.19 to 60.29 kDa. Glutelin differentiated into α-glutelin (30-39 kDa) and β-glutelin (19-25 kDa). The  RBPCs from two varieties had similar denaturation temperatures (77.22 - 77.99oC) with enthalpy ranged between 109.72 J/g and 200.98 J/g. Foaming stability and emulsion activities had similiar pattern with solubilities profile and showed no significant difference between varieties (p> 0.05). This finding shows potential protein concentrate of  both heat-stabilized and unstabilized rice bran as food ingredient. Keywords: Heat-stabilized rice bran, rice bran protein, physicochemical properties
Isolation and Physicochemical Properties of Rice Bran Protein from Heat-Stabilized Rice Bran Inneke Kusumawaty; Dedi Fardiaz; Nuri Andarwulan; Sri Widowati; Slamet Budijanto
UNEJ e-Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014
Publisher : UPT Penerbitan Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Isolation and the physicochemical properties of rice bran protein concentrate (RBPC) produced from unstabilized and heat-stabilized Pandanwangi and Ciherang rice bran were studied. Rice bran stabilization process optimization done on previous research resulted in the extrusion conditions at a temperature of 130.96oC and screw speed 26.65 Hz. Kjeldahl analysis showed that protein content of unstabilized rice bran protein concentrates (URBPC) and stabilized rice bran protein concentrates (SRBPC) of Pandanwangi and Ciherang were 60.76%, 61.38%, 60.19%, and 60.23% respectively. Amino acid composition showed that polar amino acid composition of RBPC Ciherang was higher than that in Pandanwangi leading to its solubility. The protein percentage of acid-soluble glutelin of Pandanwangi was higher than that in Ciherang rice bran protein concentrate. The molecular weight were in range from 11.19 to 60.29 kDa. Glutelin differentiated into α-glutelin (30-39 kDa) and β-glutelin (19-25 kDa). The  RBPCs from two varieties had similar denaturation temperatures (77.22 - 77.99oC) with enthalpy ranged between 109.72 J/g and 200.98 J/g. Foaming stability and emulsion activities had similiar pattern with solubilities profile and showed no significant difference between varieties (p> 0.05). This finding shows potential protein concentrate of  both heat-stabilized and unstabilized rice bran as food ingredient. Keywords: Heat-stabilized rice bran, rice bran protein, physicochemical properties
Co-Authors - Mursalin . Fachraniah . Mappiratu . Mursalin A.A. Ketut Agung Cahyawan W Afni, Sabri Ella Ai Mahmudatussa'adah Ai Mahmudatussa’adah Andarini Diharmi Anton Apriyantono Anton Apriyantono Asriani Hasanuddin Atjeng M. Syarief C Hanny Wijaya Cahyo Budiman Dedin F R Dewi Masyithoh Dewi Monita Sari Dewi Sarastani Dewi, Fitriya Nur Annisa Dhiah Nuraini Dian Herawati Dian Laksamana Hati Edy Hartulistiyoso Eko Hari Purnomo Elvira Syamsir Ema Hastarini Ema Hastarini ENDANG MURNIATI Endang Sri Heruwati Endang Sri Heruwati Endang Yuli Purwani Evita Tri Handayani Fachraniah, Fachraniah Fanisa, Aulia Fahnaz Farida Ariyani Farida Ariyani Farida Laila Febriansyah, Muhammad Irfan Feri Kusnandar Fujio Lamtarida Panggabean Haliza, Winda Hanifah Nuryani Lioe Hari Eko Irianto I Nyoman Adi Putra Ineke Kusumawaty Inneke Kusumawaty Inneke Kusumawaty, Inneke Irianti Amin Irianti Amin Irmanida Batubara Laksmi Istikasari Laprianika Retha Hapita Sari Lilik Eka Radiati Luh Puspitasari, Ni M. Syarief, Atjeng Maggy Thenawidjaja Suhartono Maggy Thenawijaya Muhammad Ana Syabana MURSALIN MURSALIN Nadia T. Hendartina Nampiah Sukarno Nancy Dewi Yuliana ndang Sri Heruwati Ni Luh Puspitasari Noryawati Mulyono Nugroho Indrotristanto Nun . Nur Pratiwi Rasyid Nur Richana Nuraini, Dhiah Nuri Andarwulan Nurlena, Nurlena Purwani, Endang Yuli Purwiyatno Hariyadi Puspo Edi Giriwono Rahman . Rahmawati Rahmawati Ratih Dewanti -Hariyadi Rijanti Rahaju Maulani Rijanti Rahaju Maulani Rijanti Rahaju Maulani Rini Hustiany Sabri Ella Afni Salwa Haneefah Fauzia Santi Dwi Astuti SHANNORA YULIASARI Shannora Yuliasari Siregar, Amelia Nani Siti Zakiyatul Khamidah Slamet Budhijanto Slamet Budijanto Slamet Budiyanto Soewarno T. Soekarto Sri Widowati SRI YULIANI Sri Yuliani Sukarno Sukarno Suryo Wiyono Suyanto Suyanto Tami Idiyanti Tami Idiyanti Tami Idiyanti Tien R. Muchtadi Titi Candra Sunarti Titri Siratantri Mastuti Tuti Suryati Winda Haliza Wuryaningsih Sri Rahayu Yuliani, Sri YULIASARI, Shannora Yundari, Yundari Zakiah Wulandari