MOSP - Macao Scientific Publishers

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Comparative analysis of the antimicrobial activity of cinnamon oil and cinnamon extract on somefood-borne microbes

Charu Gupta*, Amar P. Garg , Ramesh C. Uniyal and Archana Kumari

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Prevalence and transmission of methicillin-resistant Staphylococcus aureus (MRSA) at the intensive care unit of Domat Al-Jandal Hospital, Al-Jouf, Saudi Arabia

Omer Mohamed Khalil* and Meshref Awad Al-Ruaily

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Incidence of Toxigenic fusaria in feeds of Godavari belt area of Andhra Pradesh, India

Narasimha Rao Kollu*, Sivadevuni Girisham and Solipuram Madhusudhan Reddy

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The role of SEF14 fimbriae in pathogenesis and enhancing the immunity of Salmonella enteritidis

Zhu CH , Hassan H. Musa , Wu SL and Zhu GQ*

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Comparative assessment of the effect of crude extracts of Carica papaya and Terminalia cattapa, and a bacteriocin on vacuum-packed West African soft cheese (â€˜waraâ€™)

Victoria O. Adetunji

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Enhancement of benzene biodegradation by variation of culture medium constituents

Ahmad Sabzali , Mitra Gholami and M. A. Sadati

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Prevalence of superficial mycoses in primary school children in Anyigba, Kogi State, Nigeria

S. C. Enemuor* and A. S. Amedu

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Characterization of lactic acid bacteria producing bacteriocins against chicken Salmonella enterica and Escherichia coli

N. L. Tatsadjieu*, Y. N Njintang, T. Kemgang Sonfack, B. Daoudou and C. M. F. Mbofung

Abstract: 30 strains of lactic acid bacteria (LAB) isolated from 5 samples, raw and fermented cow milk, cow meat, soil and fermented-dried cassava, were screened for their antimicrobial activity against poultry pathogens Salmonella enterica CIP8132 and Escherichia coli CIP548. All the lactobacillus strains were active against the target pathogens with the strains LF2, SM3, SM4, V3 and V5 exhibiting activity higher than 25 mm. 4 of the 5 isolated cultures were confirmed as bacteriocin producing cultures, in addition LF2 strain was cocci, can grow on sucrose, was thermal resistant and was partially inhibited by proteinase K and lysozyme suggesting a nisin-like molecule. This strain with promising future needs to be further characterised.[...] Read More.

Keywords: Lactic acid bacteria, antimicrobial activity, bacteriocins, Salmonella enterica, Escherichia coli.

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Experimental study on antimicrobial activity of cotton fabric treated with aloe gel extract from Aloe vera plant for controlling the Staphylococcus aureus (bacterium)

D. Jothi

Abstract: Biotechnology is a frontier area in science and technology having significant commercial applications in healthcare, agriculture, process industry and service sectors the world over. Ethiopia is in an advantageous position to harness the potential of biotechnology due to its unique strengths such as availability of technical expertise, skilled manpower, rich bio-resources and progressive government policies. The country is also rapidly emerging as a major market for biotech products. Today, new processes and products are closely linked with biotechnology in many research and industrial fields. There are the most diverse possibilities for its profitable use in the textile industry too. In this study, aloe gel has applied to 100% cotton fabric to develop antimicrobial fabric. In order to optimize the process parameter, cotton fabric was treated with Aloe vera extract (Aloe barbadensis Mill) at various concentrations that is 1, 2, 3 and 5 gpl at 60°C for 30 min by pad-dry –cure method. Methanol was used as a solvent for aloe gel extraction from Aloe vera plant. The finished fabric samples have been tested for activity as per the ATCC (Agar diffusion) method and quantitative analysis test method. The aloe gel treated fabrics exhibited antimicrobial activity against the Staphylococcus aureus (ATCC 6538). The treated cotton fabrics have shown excellent antimicrobial activity at 5 gpl concentration. The wash durability of the treated sample was found good even after 50 wash.[...] Read More.

Keywords: Biotechnology, agar plate, micro organism, Aloe vera.

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In vitro antimicrobial activity of the extracts from the leaves of Chrysocoma ciliata L.

A. O. T. Ashafa* and A. J Afolayan*

Abstract: Chrysocoma ciliata L. is a medicinal plant used in the management of pains, stomach and menstrual disorders in the Eastern Cape province of South Africa. Studies were conducted to determine the antimicrobial activity of the extracts from this herb. All the extracts except water extract, inhibited Staphylococcus aereus, Staphylococcus epidermidus, Bacillus cereus and Streptococcus faecalis at minimum inhibitory concentration (MIC) less than 0.1 mg/ml. The extracts also inhibited the gram-negative bacteria tested including the popularly known antibiotic resistant Pseudomonas aeruginosa with MIC ranging from 1.56 to 12.5 mg/ml. All the extracts at the concentration of 0.5 mg/ml, suppressed the growth of Aspergillus niger, Aspergillus flavus and Penicilium notatum with percentage inhibition ranging from 50.83 to 88.33%. The ethanol and methanol extracts were able to inhibit the growth of Candida albicans at 5.0 mg/ml. Results from this study have shown that extracts from C. ciliata displayed strong antimicrobial activity, which is a manifestation of the plant’s broad spectrum potential for the treatment of microbial induced ailments including complications and disorders associated with the female reproductive and genital organs. This herb could be a potential agent for antibiotic bioprospecting.[...] Read More.

Keywords: Chrysocoma ciliata, medicinal plant, menstrual disorder, antimicrobial activity, bioprospecting.

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