Claim Missing Document
Check
Articles

Found 1 Documents
Search
Journal : Makara Journal of Science

Enzymatic Hydrolysis of Mannan from Konjac (Amorphophallus sp.) Using Mannanase from Streptomyces lipmanii to Produce Manno-oligosaccharides Sasongko, Ashadi; Yopi,; Rahmani, Nanik; Lisdiyanti, Puspita; Saepudin, Endang
Makara Journal of Science Vol. 19, No. 3
Publisher : UI Scholars Hub

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

Abstract

Mannan is an abundant polysaccharide that can be found in konjac (Amorphophallus sp.). Mannan can be enzymatically hydrolyzed using mannanase to produce manno-oligosaccharides which can be used as a prebiotic. The aims of this research are to determine the production time of mannanase from Streptomyces lipmanii, perform enzyme characterization, optimize the hydrolysis time, and characterize the hydrolysis product. A qualitative assay using the indicator Congo red showed that S. lipmanii generated a clear zone, indicating that S. lipmanii produced mannanase in konjac medium and possessed mannanolytic activity. Enzyme activity was determined through reducing sugar measurement using the dinitrosalycylic acid method, and optimum enzyme production was achieved at the second day of culture. Characterization of the enzyme showed that hydrolysis was optimum at pH 7 and at a temperature of 50 oC. The reducing sugar content was increased by an increasing the hydrolysis time, and reached an optimum time at 2 h. The degree of polymerization value of three was achieved after 2 h hydrolysis of mannan from konjac, indicating the formation of oligosaccharides. Analysis by thin layer chromatography using butanol, acetic acid, and water in a ratio of 2:1:1 as eluent showed the presence of compounds with a retention time between those of mannose and mannotetrose. Confirmation was also performed by HPLC, based on the retention time.
Co-Authors - Yopi Abd. Rasyid Syamsuri ADE ANDRIANI Adi Santoso Agustinus Robert Uria Ahmad Thontowi Akhmad Rivai ANDI UTAMA Andi Utama ANDO KATSUHIKO Apriliana, Pamella Ariani Hatmanti Ario Betha Juanssilfero Ashadi Sasongko Atikana, Akhirta Cahyo, Bian Dwi Caniago, Asnany Caniago, Asnany Desriani Desriani Desriani Desriani Dewi Seswita Zilda dinihari indah kusumawati Dwi Retnowati Dwi Wulandari Elvi Yetti Endang Saepudin, Endang Endang Sukara Erdiansyah Rezamela, Erdiansyah Evi Triana Fahrurrozi Fahrurrozi Fahrurrozi Fahrurrozi GINA KARTINA Hastuti, Ratih Dwi Herman Suryadi JAKA WIDADA KATSUHIKO ANDO Krause, Janina Kusharyoto, Wien Kusharyoto, Wien Kusumawardhani, Dinihari Indah Kusumawati, Dinihari Indah Kusumawati, Dinihari Indah Lina Elfita Lina Elfita LINDA SUKMARINI M. Iqbal Prawira-Atmaja, M. Iqbal Mangunwidjaja, Wibowo MARIA BINTANG Maulidia, Faiqoh Nur Meliah, Siti Meliah, Siti Mia Kusmiati Miranti Nurindah Sari, Miranti Nurindah MISA OTOGURO Mochammad Imron Awalludin Mulyorini Rahayuningsih Nadhifah, Hana Nanik Rahmani NANIK RAHMANI Neneng Hasanah Neng Herawati, Neng Ni Luh Putu Vidya Paramita NITA ROSALINDA PRAYITNO Nurul Fitri Sari Nuryana, Isa Prasetyoputri, Anggia Pratama, Rendy Eka Prayoga, Muhammad Bagas Putra, Filemon Jalu Nusantara Putra, Masteria Yunovilsa Putri, Ade Lia Putri, Ade Lia Restu Wulansari, Restu Riyona Desvy Pratiwi, Riyona Desvy ROHMATUSSOLIHAT ROHMATUSSOLIHAT RONI RIDWAN Seprianto, Seprianto Shanti Ratnakomala SHANTI RATNAKOMALA Shanti Ratnakomala Subagus Wahyuono Suharsono Suharsono Sukma Nuswantara Susanti, Agustina Eko Syafriana, Vilya Tisnadjaja, Djadjat Tisnadjaja, Djadjat Titik Nuryastuti TOMOHIKO TAMURA Toto Iswanto TRI RATNA SULISTIYANI TRI RATNA SULISTIYANI Triana Hertiani Trisanti Anindyawati, Trisanti Tutik Murniasih Ukhradia Maharaniq Safira Untari, Febriana WIBOWO MANGUNWARDOYO Yana Rubiyana, Yana Yantyati Widyastuti Yopi Y Yopi Yopi YOPI YOPI Yopi, YULIN LESTARI Yusro Nuri Fawzya