1Chemistry Department, Institut Teknologi Sumatera, Indonesia
2Biology Education Department, Universitas Islam Negeri Raden Intan, Indonesia
3Pharmacy Department, Institut Teknologi Sumatera, Indonesia
4 Biology Department, Institut Teknologi Sumatera, Indonesia
BibTex Citation Data :
@article{JKSA29276, author = {Fina Frima and Rina Satiyarti and Yulistia Anggraini and Erga Syafitri and Ika Rini}, title = {Characteristics of Raw-Starch Degrading Amylase Bacteria from Natar Hot Spring Lampung}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {23}, number = {7}, year = {2020}, keywords = {α-amylase; raw starch; Panninobacter}, abstract = { Indonesia has a diversity of hot spring as a habitat of bacteria. One of the hot springs is Natar hot spring, Lampung. This study is to report the characteristics of a bacterium called Nat1 isolate that produces amylase to degrade raw starch from Natar hot spring. Water samples were taken from hot springs with a temperature of 45 ° C and a pH of 7.0. Nat1 was isolated by screening on the medium of Starch-Luria Bertani at 37 ° C. Its amylase-producing bacteria showed an optimum amylolytic activity of a crude enzyme of Nat1 isolate in soluble starch was 267.2774 U/mL at 60°C. Genotypic identification results using the 16S rRNA gene showed that the Nat1 isolate is identified as Panninobacter phragmatetus . A crude enzyme of Nat1 isolate showed a novel amylase ability and could degrade the raw starch substrates, such as corn and sago, with the amount of reducing sugar for each raw starch, 37.0688 µmol/mg, and 24.2697 µmol/mg . In conclusion, Nat1 amylase is potentially used in industry for its ability to degrade raw starch directly. }, issn = {2597-9914}, pages = {238--243} doi = {10.14710/jksa.23.7.238-243}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/29276} }
Refworks Citation Data :
Indonesia has a diversity of hot spring as a habitat of bacteria. One of the hot springs is Natar hot spring, Lampung. This study is to report the characteristics of a bacterium called Nat1 isolate that produces amylase to degrade raw starch from Natar hot spring. Water samples were taken from hot springs with a temperature of 45°C and a pH of 7.0. Nat1 was isolated by screening on the medium of Starch-Luria Bertani at 37°C. Its amylase-producing bacteria showed an optimum amylolytic activity of a crude enzyme of Nat1 isolate in soluble starch was 267.2774 U/mL at 60°C. Genotypic identification results using the 16S rRNA gene showed that the Nat1 isolate is identified as Panninobacter phragmatetus. A crude enzyme of Nat1 isolate showed a novel amylase ability and could degrade the raw starch substrates, such as corn and sago, with the amount of reducing sugar for each raw starch, 37.0688 µmol/mg, and 24.2697 µmol/mg. In conclusion, Nat1 amylase is potentially used in industry for its ability to degrade raw starch directly.
Article Metrics:
Last update:
Comparative Optimization of Cellulase and Laccase Enzymes in Deinking Process of Used Newspapers
Screening of thermophilic bacteria producing amylase from Natar hot spring in Lampung Province
Last update: 2026-09-09 10:53:19
As an article writer, the author has the right to use their article for various purposes, including use by institutions that employ the author or institutions that provide funding for the research. These author rights are granted without special permission.
Authors who publish a paper in JKSA have broad rights to use their work for teaching and scientific purposes without the need to request permission, including: (i) teaching in the author's class or institution; (ii) presenting the work at meetings or conferences and distributing copies to participants; (iii) using the work in training conducted by the author or the author's institution; (iv) distributing copies to colleagues for research purposes; (v) using the work in the compilation of subsequent works by the author; (vi) including the work in a thesis or dissertation; (vii) reusing part of the article in another work, with appropriate citation; (viii) preparing derivative works, with appropriate citation; and (ix) voluntarily posting the work on open websites operated by the author or the author's institution for scientific purposes, in accordance with the CC BY-SA License.
Authors and readers may copy and redistribute the material in any medium or format, and may remix, transform, and build upon the material for any purpose, provided that they give appropriate credit by citing the article or its content, provide a link to the license, and indicate if changes were made.
The authors submitting a manuscript do so on the understanding that, if accepted for publication, the copyright of the article shall be assigned to Jurnal Kimia Sains dan Aplikasi (JKSA). Copyright encompasses the rights to reproduce and distribute the article in all forms and media, including reprints, photographs, microfilms, and any other similar reproductions, as well as translations.
Reproducing any part of this journal, storing it in a database, or transmitting it in any form or medium is permitted without written permission from JKSA. However, the original source must be properly cited in accordance with academic conventions.
JKSA, the Chemistry Department of Diponegoro University, and the Editor make every effort to ensure that no inaccurate, false, or misleading data, opinions, or statements are published in JKSA. However, the content of each article is the sole and exclusive responsibility of its authors.
The Copyright Transfer Form can be downloaded here: [Copyright Transfer Form - Indonesian] [Copyright Transfer Form - English]. The copyright form should bear the authors' original signatures and be sent to the Editor as a printed document, a scanned document sent via email, or by fax.
Prof. Adi Darmawan, Ph.D (Editor in Chief)
Editor in chief of Jurnal Kimia Sains dan Aplikasi (JKSA)
Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University
Visitor: View My Stats
Jurnal Kimia Sains dan Aplikasi is indexed in:
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.