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Current Biochemistry Journal
Published by Institut Pertanian Bogor
ISSN : 23557877     EISSN : 23557931     DOI : -
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Education
Current Biochemistry (CB) publishes the results of original research that contribute significantly to the understanding of the chemical compound and reaction that occur within living organism. Preference will be accorded to manuscripts that develop new concepts or experimantal approaches, particularly in the advancing areas of biochemistry science. Manuscripts that are primarily theoretical in nature or in the field of bioinformatics must be directed toward explaining important results previously not understood, making important predictions that can be experimentally tested, or developing segnificant advances in theory of general interest to biochemists. Submission of manuscripts in emerging areas in biochemistry, chemical biology, biophysics, proteomics, model studies and structures, cellular and molecular biology, computational biochemistry, biotechnology, and new methods development is encouraged especially if they address basic biochemical mechanisms.
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Articles 4 Documents
 1 
Search results for , issue "Vol. 5 No. 2 (2018)" : 4 Documents clear
Antibacterial activity of Stichopus hermanii and Stichopus variegatus methanol extract Hendra Susanto; Mega Safithri; Kustiariyah Tarman
Current Biochemistry Vol. 5 No. 2 (2018)
Publisher : IPB University

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Abstract

Since 500 years ago sea cucumber has been used as wound healing medicine. Sea cucumbers are thought to function as a cell growth factor and have the potential as an antibacterial agent. This study aims to determine whether the methanol extract of sea cucumber has antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa so that it can be used to help diabetic wound healing of people infected with the same bacteria. The extraction method used was maceration with methanol to dried frozen simplicia. The simplicia was obtained by freeze drying to liquid preparation of heated fresh sea cucumber. The antibacterial activity test was performed using well diffusion method. There were no any antibacterial activity found in the two methanol extracts of sea cucumber. Keywords: antibacterial agent, Stichopus hermanii, Stichopus variegatus
Antibacterial activity of Stichopus hermanii and Stichopus variegatus methanol extract Susanto, Hendra; Safithri, Mega; Tarman, Kustiariyah
Current Biochemistry Vol. 5 No. 2 (2018)
Publisher : IPB University

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

Abstract

Since 500 years ago sea cucumber has been used as wound healing medicine. Sea cucumbers are thought to function as a cell growth factor and have the potential as an antibacterial agent. This study aims to determine whether the methanol extract of sea cucumber has antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa so that it can be used to help diabetic wound healing of people infected with the same bacteria. The extraction method used was maceration with methanol to dried frozen simplicia. The simplicia was obtained by freeze drying to liquid preparation of heated fresh sea cucumber. The antibacterial activity test was performed using well diffusion method. There were no any antibacterial activity found in the two methanol extracts of sea cucumber. Keywords: antibacterial agent, Stichopus hermanii, Stichopus variegatus
Identification of Bioactive Compounds and α-Glucosidase Inhibition Activity of Caesalpinia bonduc Seed Extract In vitro Oczhinvia Dwitasari; Djarot Sasongko Hami Seno; Mega Safithri
Current Biochemistry Vol. 5 No. 2 (2018)
Publisher : IPB University

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Abstract

This study is aimed for finding alternative ways to treat diabetes. Many studies have beendone before, but focused on identification of α-glucosidase inhibition mechanism. This study wasconducted by extracting Caesalpinia bonduc seed using two methods maceration by ethanol 96%and the others boil by water. The ethanol extract was then fractioned into three fractions, n-hexane,ethyl acetate, and ethanol. To find the bioactive compounds, the ethanol extract was then tested byseveral phytochemistry tests. The phytochemistry test showed positive results for alkaloid, flavonoid,saponin and triterpenoid. The inhibition mechanism was tested using pNPG. The inhibition testshown that the mechanism was a competitive inhibition, by the Dixon plot. The calculated inhibitionconcentrations for 50% substrate (IC50) for ethyl acetate fraction are 1655.8079 μg/ml for 5 mMsubstrate and 803.9521 μg/ml for 10 mM substrate. From the results of this study, we concluded thatthe extract of Caesalpinia bonduc has inhibition activity toward α-glucosidase enzyme. Keywords: α-glucosidase inhibition, Caesalpinia bonduc seed extract, diabetes treatment
Identification of Bioactive Compounds and α-Glucosidase Inhibition Activity of Caesalpinia bonduc Seed Extract In vitro Dwitasari, Oczhinvia; Hami Seno, Djarot Sasongko; Safithri, Mega
Current Biochemistry Vol. 5 No. 2 (2018)
Publisher : IPB University

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

Abstract

This study is aimed for finding alternative ways to treat diabetes. Many studies have beendone before, but focused on identification of α-glucosidase inhibition mechanism. This study wasconducted by extracting Caesalpinia bonduc seed using two methods maceration by ethanol 96%and the others boil by water. The ethanol extract was then fractioned into three fractions, n-hexane,ethyl acetate, and ethanol. To find the bioactive compounds, the ethanol extract was then tested byseveral phytochemistry tests. The phytochemistry test showed positive results for alkaloid, flavonoid,saponin and triterpenoid. The inhibition mechanism was tested using pNPG. The inhibition testshown that the mechanism was a competitive inhibition, by the Dixon plot. The calculated inhibitionconcentrations for 50% substrate (IC50) for ethyl acetate fraction are 1655.8079 μg/ml for 5 mMsubstrate and 803.9521 μg/ml for 10 mM substrate. From the results of this study, we concluded thatthe extract of Caesalpinia bonduc has inhibition activity toward α-glucosidase enzyme. Keywords: α-glucosidase inhibition, Caesalpinia bonduc seed extract, diabetes treatment

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