cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Debora Christin Purbani
Contact Email
editor@e-jmsb.id
Phone
+6221-8761356
Journal Mail Official
editor@e-jmsb.id
Editorial Address
Jln. Raya Jakarta-Bogor KM. 46 Cibinong 16911, West Java, Indonesia
Location
Kota bogor,
Jawa barat
INDONESIA
Journal of Microbial Systematics and Biotechnology
Published by Cibinong Science Center
ISSN : -     EISSN : 26854430     DOI : https://doi.org/10.37604/jmsb
Core Subject : Science,
Immunology & microbiology
Journal of Microbial Systematics and Biotechnology (JMSB) is the international journal of microbial diversity and microbial technology which publishes research articles, reviews, and methodologies of microbial-based technology; and taxonomic articles such as monographs, new species, new notes, new records, checklists related to microbial diversity. The official language is English. Every manuscript submitted to JMSB will be published as soon as the editor receives it, and through the peer review process.
Arjuna Subject : Imunologi dan Mikrobiologi (semua kategori) - Mikrobiologi
Articles 7 Documents
 1 
Search results for , issue "Vol 1, No 2 (2019): December 2019" : 7 Documents clear
Determining the potential indigenous red-yeasts producing β-carotene and their phylogenetic relationship I Nyoman Sumerta; Yeni Yuliani; Atit Kanti
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3729.102 KB) | DOI: 10.37604/jmsb.v1i2.31

Abstract

Red-yeasts are pigmented yeast species that could synthesize carotenoids for food supplements and pharmaceutical purposes. However, this group contains a lot of species which need to be explored thoroughly. The objective of this study was to view the β-carotene production of three indigenous red-yeasts by modifying glucose content in the growth medium and verifying their phylogenetic relationship. The glucose content modification in growth media influenced the β-carotene production of each species. Rhodosporidiobolus ruineniae (InaCCY1638/Y15Eg075) and Rhodosporidiobolus poonsokiae (InaCCY1606/Y15Kr068) produced higher β-carotene than Rhodotorula paludigena (InaCCY1527/Y15Eg004). These Rhodosporidiobolus species were able to produce higher β-carotene from 0.5 to 2% glucose content while Rhodotorula was low production in 2% glucose content. The higher producers by Rhodosporidiobolus species were clustered to Ruineniae clade and could be a potential clade for higher β-carotene production. Based on this result, using a high carotenoid producer of red-yeasts from indigenous strains is potential to be developed for β-carotene bioindustry in the future.
Fortification of Mung bean (Vigna radiata) and Ear mushroom (Auricularia auricula-judae) in dried sago noodles Donowati Tjokrokusumo; Fiqi Cahyani Octaviani; Raskita Saragih
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (245.947 KB) | DOI: 10.37604/jmsb.v1i2.30

Abstract

This study aimed to obtain a formula dried sago noodles enriched with mung beans and ear mushrooms to produce noodles with high protein and fiber content and favored by the panelist. The experimental design used in this study was a Randomized Block Design (RCBD) with two factorial (3×3). Factor A is the percentage of mung bean flour which consists of three levels: a1 = 12%, a2 = 15%, a3 = 18%. Factor B is the percentage of ear mushroom flour consisting of three levels: b1 = 1%, b2 = 2% and b3 = 3%, with 2 replications. The organoleptic testing was done by 30 untrained panelists. The results showed that the most preferred panelists are dried noodles sago enriched with 12% mung bean flour and 1% ear mushroom flour. The resulting product has an overall value of 14 consisting of an average value of color 3.73 (ordinary-like), aroma preference value 3.3 (ordinary-like), texture preference value 3.47 (ordinary-like), and taste preference value 3.50 (ordinary-like).
Anti-oxidant and anti-bacterial activities of 11 Calophyllum species from Indonesia Jamilah Abbas
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (672.099 KB) | DOI: 10.37604/jmsb.v1i2.22

Abstract

Members of Calophyllum (Calophyllaceae) are commonly used as herbal medicine in Indonesia from the beginning of civilization. Due to their tremendous potential as a source for pharmaceutical industry, we selected 11 Calophyllum species for the current anti-oxidant and anti-bacterial studies, namely, Calophyllum euryphyllum, C. bicolor, C. flavoramulum, C incrassaptum, C. lowei, C. macrophyllum, C. nodosum, C. soulattri, C. tetrapterum, C. teysmannii, and C. tomentosum. The methods include Calophyllum stem bark extraction and separation into n-hexane, ethyl acetate, and butanol fractions, followed by the antioxidant analysis using DPPH (2,2-diphenyl-1-picrylhydrazyl radical scavenging) and the anti-bacterial activity against Escherichia coli, Staphylococcus aureus, Bacillus subtilis, and Pseudomonas aeruginosa. The results showed that n-hexane fraction of C. soulattri exhibited the best anti-oxidant activity (IC50 = 2.2 µg/m). This study also showed that a xanthone compound isolated from C. macrophyllum, namely, 1,8 - dihydroxy-6 methoxy xanthone exhibited the anti-oxidant activity with IC50 = 1.56 ppm.
The effect of substrate composition on the activity of amylase and cellulase by Trichoderma harzianum strains under solid state fermentation Toga Pangihotan Napitupulu; Nathaniel Reinhart Silaban; Atit Kanti; I Made Sudiana
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (468.517 KB) | DOI: 10.37604/jmsb.v1i2.26

Abstract

Trichoderma harzianum is a filamentous fungus that has been known to have biocontrol and plant growth-promoting ability. However, the propagation of this fungus particularly through solid state fermentation (SSF) and characterization of its enzyme activity as one the indicator of quality of fermentation process are still needed to be explored further. Rice grain and its derivative products have economically as well as nutrient composition features beneficial as substrates of fungal propagation through SSF. Therefore, the aim of this study was to investigate the effect of white rice, rice bran, and combination of white rice and rice bran on the activity of amylase and cellulase by Trichoderma harzianum strains under SSF. Two strains of the fungus, InaCC F116 and InaCC F89, as well as their consortium were employed as fungal inoculants. After closed fermentation in dark chamber at 30 ± 1°C for 7 days, the activity of amylolytic as well as cellulolytic enzyme was assayed. The result showed that the presence of rice bran as a substrate increased the activity of crude amylase and crude cellulase. In all substrates, the strain F116 has low activity of both enzymes. The fungal consortium improves the activity of crude enzymes in all substrates. Therefore, the amylase and cellulase activity by T. harzianum in SSF condition were strain- as well as substrate-dependent.
Cover JMSB Vol.1 No.2 (2019) Cover JMSB
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (288.111 KB) | DOI: 10.37604/jmsb.v1i2.32

Abstract

Optimization of growth of oyster mushroom mycelium (Pleurotus sp.) from Tasikmalaya on several kinds of cereal medium Khusnul Khusnul
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.998 KB) | DOI: 10.37604/jmsb.v1i2.27

Abstract

Pleurotus sp. or oyster mushroom is one type of edible mushroom that contains essential nutrients for the human body. This mushroom has been widely cultivated in Indonesia, one of which is Pleurotus sp. from Tasikmalaya. The key to the success of oyster mushroom cultivation is the seeds and growing medium or baglog, while the factors that influence the quality of the seeds include the type of medium. This study aims to determine 1) the effect of the type of seed medium from the type of cereals used on the growth of mycelium Pleurotus sp. from Tasikmalaya, 2) determine the type of seed medium that has the best mycelium growth. This study uses an experimental method with a Completely Randomized Design (CRD). The parameters measured include the main parameters, namely the rate of growth of mycelium Pleurotus sp. from Tasikmalaya on the seed medium. Supporting parameters are the quality of mycelium growth in the seed medium, the proximate value of cereals used for the seed medium. The results of the analysis showed that the medium of cereals used as seeds ready for cultivation could affect the quality of the seeds produced. The seedling medium from milled corn has the best growth of mycelium.
The decolorization effect by Aspergillus sp. 3 on Goldfish opercular beats Ratna Stia Dewi; Fitria Ayudi Ulfimaturahmah; Khusnul Khotimah
Journal of Microbial Systematics and Biotechnology Vol 1, No 2 (2019): December 2019
Publisher : Microbiology Division, Research Center for Biology, Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (264.02 KB) | DOI: 10.37604/jmsb.v1i2.29

Abstract

Batik effluent had high toxicity to aquatic organisms. Dye decolorization is a process used to reduce color density. Fungi which used for decolorization was Aspergillus sp 3. This study aimed to investigate the ability of fungi on decolorization of 3 kinds of batik effluents (Indigosol Green dye, Indigosol Purple dye, and Naphtol Black dye) and to investigate the ability of fungi on reducing TDS level. The study was also investigated the initial toxicity of batik effluents to Goldfish (Cyprinus carpio). Decolorization was measured by spectrophotometry, the pH value was measured by pH meter, and the TDS value was measured by TDS meter. In addition, the decolorized batik effluent was tested for toxic effect on C. carpio by total opercular beats. Decolorization assay showed that Aspergillus sp. 3 had the ability to decolorized only 2 kinds of batik effluents. The decolorization percentage of Indigosol Purple was 60.015% and Naphtol Black was 56.679%. The pH after treatment decreased from 8.5–9 to 5.3–6. The range of pH value of Indigosol Green, Indigosol Purple, and Naphtol Black 5.3–6. Besides that, Aspergillus sp. 3 also had the ability to reduce the TDS level in the effluent. The TDS level on Indigosol Green, Indigosol Purple, and Naphtol Black as 4,965%, 25,307%, and 15,129%, respectively. Initial toxicity assay of effluent to C. carpio showed that there was a difference of total opercular beats, which exposed by decolorized and before decolorized batik effluent. The total opercular beats of C. carpio on decolorized batik effluents showed high value than before decolorized batik effluents. It can be concluded that Aspergillus sp. 3 had the ability to decolorize and decreasing the initial toxicity of Indigosol Purple batik effluents on C. carpio.

Page 1 of 1 | Total Record : 7

 1 

Filter by Year

2019 2019


Reset
Filter By Issues
All Issue Vol 3, No 1 (2021): August 2021 Vol 2, No 2 (2020): December 2020 Vol 2, No 1 (2020): June 2020 Vol 1, No 2 (2019): December 2019 Vol 1, No 1 (2019): June 2019