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Journal : Chem Info

STUDI INTERAKSI SEGMEN TRIMER KITOSAN DENGAN ASAM ASKORBAT SECARA KOMPUTASI AB INITIO DAN EKSPERIMEN Hasanah, Niswatun
Chem Info Journal Vol 1, No 1 (2013)
Publisher : Chem Info Journal

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Abstract

STUDY of INTERACTION between CHITOSAN TRIMER SEGMENT and ASCORBIC ACID by QUANTUM AB INITIO and EXPERIMENT METHODS. The research has been done between chitosan trimer segments and ascorbic acid used quantum ab initio on theory and basis set RHF/6-31G(d,p) and experiment methods. The quantum ab initio method could be used to get the geometry structure of molecule that more stable and characteristics of intermolecular interaction in the gas phase as simulation of experiment method which too expensive. The aim of research is to determine interaction energy between chitosan trimer segment and ascorbic acid and determine encapsulation efficiency of chitosan on ascorbic acid concentration is 500 ppm. The result show that the interaction can occur between chitosan trimer segment and ascorbic acid with each energy of them were the first and the second configuration respectively -38.1538 kJ.mol-1 and -29.7388 kJ.mol-1. The first configuration position was preferred to others because its energy was greater. Its conclusion was interaction between chitosan trimer segment and ascorbic acid was medium hydrogen bond then the experiment result also prove the interaction between chitosan trimer segment and ascorbic acid shown by free ascorbic acid, filtrate of centrifugation result with encapsulation efficiency of chitosan 64.38 % for ascorbic acid 500 ppm.
Co-Authors Agung Budi Muljono Ahadiah Agustina Aida, Nafsa Aisah Aisah Alamsyah Harahap, Syamsir Ala’uddin, Muhammad Anwar, Faizi Apriani, Dwi Anggi Aqodiah, Aqodiah Astini, Baid Ida Azwari, Fachruddin Baiq Ida Astini Bakri, Asri Ady Batubara, Astrida J.A Benedicta, Christine Elia Buduri, Hidayatul Cathliniyah Zerlindah, Clairina Fadhillah, Nur Fahim, Achmad Faqihuddin, Abdu Rabbi Hadidjah, Kemala Harish, Muhammad Zakky Helma Malini, Helma Hermansyah, David Hidayah, Wardatul humaira Indah Anisykurlillah Isnaini, Rohmatul Isra, Nur Joko Triyono Junaidi Junaidi Kamtini, Kamtini Khairunnisa Khairunnisa Lasmiatun , KMT Lely Ika Mariyati Linafsi, Muzahadatul Lisa, Miratun M. Shaiful Umam Ma'ruf, Shalehudin Denny Mardiyah Hayati Martha Ekawati Siahaya Matanari, Ninta Dumaria Maulidah Fitrotin, Jihan Maulinda, Isnina Melva Silitonga Mohammad Syaifuddin Muflikhah, Siti Muhammad Khafid Nasution, Irma Riavael Ningsih, Fadilah Nur Azizah Nur Faizah dan M. Shaiful Umam Nurhayati Pangaribowo, Estu Pitaloka, Maria Rahma, Nuzula Elfa Rahmad Sugianto Rahmah, Kamilia Rani Darmayanti Rizki Nikmatussolihah, Maulida Rizki, Nopia Rosmiyanti, Rosmiyanti Sahliyah, Fatihatus Samrin Samrin, Samrin Sandra Dewi, Novi Yanti Santoso, Moh. Adi Saragi, Shela Estica Sarie, Haryatie Savitri, Rahmalia Tsania Setiawan, Iwan Budi Simanjutak, Mariati Purnama Situmorang, Imelda Sri Wahyuni Suksmadana, I Made Budi Supriadi, Adi Surohman, Ahmad Syafri Anwar Taufiq Rinda Alkas Urifah, Dewi Verliyanti, Verliyanti Wahyuni, Rusli wilda, Layyinah Wulandari, Diepa Febriana Yuliananingsih Yuliananingsih, Yuliananingsih Yulianingsih, Yulianingsih Yunianto, Teguh Yus Mochamad Cholily