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Journal : IPTEK Journal of Proceedings Series

Effects of Acetic Anhydride toward Degree of Substitution on Acetylation Method of Sago Starch (Metroxylon sp) from Papua Yuliya Andriani Nanggewa; Adi Setyo Purnomo; Surya Rosa Putra
IPTEK Journal of Proceedings Series No 1 (2015): 1st International Seminar on Science and Technology (ISST) 2015
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (177.045 KB) | DOI: 10.12962/j23546026.y2015i1.1149

Abstract

Sago contains carbohydrates that are stored in the starch form. Starch is generally formed from two molecules of glucose polymer, namely amylose and amylopectin, which its composition varies for each type of starch [1]. The weakness of starch can be overcome through a modification of the functional properties of starch to expand sago starch. Chemical modification of starches can enlarge the range of certain starch physical properties of the parent starch [2] and enhance their use in a number of applications found in industrial processes and food manufacture. Chemical modification of starch can be performed by various methods such as acetylation. Generally, native starch has a low Degree of Substitution (DS) because of their limited degree or reaction on the granule surface. Increasing DS can be obtained by modification of native starch through acetylation reaction using few catalysts such as pyridine and NaOH. Several researchers have reported the effects of acetylation on many sort of starch sources such potato, corn, pea and cassava [3-5]. There are few studies about the effects of acetylation of starches with a wide range of amylose contents. We have carried out some work on effects of acetic anhydride concentration toward DS value of native and modified sago starch from Papua.
Co-Authors A'in Qurrota A'yunin Abdillah, Salsabilah Putri Ade Restuani Rahma Adisya Salsabila Aldianita, Ananda Krisna Alvin Rahmad Widiyanto Alvin Romadhoni Putra Hidayat Alya Awinatul Rohmah Alya Awinatul Rohmah Anselmus Boy Baunsele Ariati, Nafla Rahma Dian Asranudin Asranudin, Asranudin Atmira Sariwati Aulia Ulfi Ayundra, Rezania Azzahira, Sabira Badzlin Nabila Badzlin Nabilah Ceisar Andrian Putra Ciptoaji, Yusril Rizqi Citra ‘Aaqilatul Fa’aidah Dalia Allouss Diah Trisna Rahayu Lestari Didik Prasetyoko Dini Ermavitalini Djohana Tri Lois Moyo Dwi Lestari Egar Pamela Eka Pratiwi Yuniarti Erly Grizca Boelan Fadhil Adinata Fadlan, Arif Fahimah Martak Fahimah Martak fajriah Fajriah Fajriah Fanda Luvita Sari Faradita Eka Puspitasari Farid Kamal Muzaki Fazad, M. Haikhal Ferdy Muhammad Gading, Anjani Puspa Gunawan, Triyanda Halimah, Adedila Hamdan Dwi Rizqi Hamzah Fansuri Hamzah Fansuri Hendro Nurhadi Herdayanto Sulistyo Putro Herdayanto Sulistyo Putro Hery Purnobasuki Hibatullah, Faizah Hildegardis Missa Holilah Holilah Ichiro Kamei Iman, Muhammad Ilham Nur Inayah Fitri Indana Madaniyah Tsani Indrapaksi, Tengku Ikhwan Alfajri Irma Citra Mayangsari Iwan Adi Indrawan Kamei, Ichiro Karina Harley Aulia Rizky Khulaida, Khoridatul Kopon, Aloysius Masan Kuncoro, Wahyu Adhy Laili Khumaidah Laudy Nasya Yanuar Lavida Aisya Salvanora Lea Kristina Anggraeni Lisman Suryanegara Maria Aloisia Uron Leba Maulianawati, Diana Mawardani, Alfiyyana Nurrahma Muchammad Tamyiz Mufidah, Iftin Farekana Muhammad Lukman Hakim Muhammad Lukman Hakim, Muhammad Lukman Muhammad Rasyid Abdullah Nabilah Farah Azzahra Naila, Ishmatun Nawfal, Mohammad Fadl Johara Nela Rachmawati Nourma Sulistyowati Novia Nurul Hidayah Nur Khoiriyah Nurhayati, Alfia Nurlatifah Nurlatifah Nurul - Widiastuti Nurul Widiastuti Octaviani, Wulan Nur Oktafia, Galuh Krisna Pangayom, Danang Luhur Prasetiyowati, Mega Pratama, Silvia Abdi Pratiwi, Tasya Resa Putra, Ananda Satria Eka Putra, Muhammad Farhan Lucky Putri, Aulia Malihah Putri, Devi Anggraini Putro, Herdayanto Sulistyo Refdinal Nawfa Refdinal Nawfa Rizqi, Hamdan Dwi Robiatuz Zuniar Rohmah, Alya Awinatul Sabilla, Wardatus Salsabila, Finna Ananda Sigmatresna Wasatya Silvia Abdi Pratama Siti Mamluatus Sa'adah Sotya Rawiningtyas Sri Banun Titi Istiqomah Sri Fatmawati SRI FATMAWATI Sri Fatmawati Sri Fatmawati Sri Fatmawati Surya Rosa Putra Surya Rosa Putra, Surya Rosa Suryo Wiyono Syafri Izzat Abidiy Taslim Ersam Tatas, Tatas Taufiq Rinda Alkas Triono Bagus Saputro, Triono Bagus Tsutsumi, Yuji Weni Sri Ekowati Widhayanti, Nur Ari Widiya Nur Safitri Wilujeng, Susi Agustina Wiwit Denny Fitriana Yediya, Hanna Yulianengtias, Andira Yulinar Dwi Nur Azizah Yuliya Andriani Nanggewa Yunita Alfiyati Firdausa Yusuf Syahril Alam Zahra Salsabila Zahra, Ema Azzah Aulia Zakiyyah Yasmin Salsabila