In this research work, the optimum process variables (catalyst, methanol to oil ratio and reaction time) for transesterification of palm oil sludge (POS) to biodiesel were studied. The transesterification process was carried by mixture of palm oil sludge, methanol and catalyst wi...
Open access
Research Article10.9734/bji/2019/v23i230076
Aim: This study was aimed at investigating the effects of aqueous extracts of both Nigella sativa and Piper guineense on the liver enzymes; alanine amino transferase (ALT), aspartate amino transferase (AST) and alkaline phosphatase (ALP). Also the effect of Nigella sativa and Pip...
Open access
Research Article10.9734/bji/2019/v23i230075
Aims: D-tagatose is a natural ketohexose which can be used as a functional sweetener in foods, diary and beverages products. Isolation of new bacterial strains having the ability to produce D-tagatose is a continuously trending topic of research. Study Design: Screening of strain...
Open access
Research Article10.9734/bji/2019/v23i230074
The aim of this research work is to explore the effect of flash pasteurisation (FP) and radio frequency (RF) treatment on enzyme activity, microbial activity and physicochemical properties of matured coconut water (MCW). The process conditions for FP were treatment temperature an...
Open access
Research Article10.9734/bji/2019/v23i230073
Aims: The objective of this study is to identify S. suis type 2 and evaluate the virulence of ZHJ01 strain isolation, and verity the clinical and pathological outcome of a systemic infection caused by one serotype 2 when simultaneously inoculated with ZHJ01 strain. We also want t...
Open access
Research Article10.9734/bji/2019/v23i230072
Background: Cucumber target leaf spot (TLS), caused by Corynespora cassiicola (C. Cassiicola), is a serious disease in cucumber (Cucumis sativus) production worldwide. Therefore, cultivating new varieties of TLS resistance of C. sativus is an important goal of cucumber breeding....
Open access
Research Article10.9734/bji/2019/v23i130071
Aim: To study the effect of various plant growth regulators (PGRs) for induction of somatic embryogenesis and plantlet formation from cotyledon and leaflet explants in S. nigrum (night shade) an important medicinal plant used in treatment of digestive problems and skin infections...
Open access
Research Article10.9734/bji/2019/v23i130070
Aim: The study investigated the effect of aqueous extract of Piper guineense and Nigella sativa on Testosterone, Estrogen and Follicle stimulating hormone levels in male and female rats induced by diets supplemented with high dose of sucrose and margarine for four (4) week. Mater...
Open access
Research Article10.9734/bji/2019/v23i130069
This study sought to investigate the potential of sugarcane bagasse, poultry manure and their combination in the remediation of spent motor oil contaminated soil. About 1.5 L of spent motor oil was sprinkled on plots measuring 0.5 m x 0.5 m dimension in 12 replicate plots to simu...
Open access
Research Article10.9734/bji/2019/v23i130068
Aim: This study focuses on the screening and characterisation of keratin-degrading Bacillus species from feather waste. Methods: Nine bacteria were isolated from feather waste obtained from a poultry layout at Egbeda local government secretariat, Ibadan, Nigeria. These bacteria w...
Open access
Research Article10.9734/bji/2019/v23i130067
Aims: The research was aimed to study the effects of antistaling agent on the fresh-keeping of cutting branches in order to provide the foundation on sticks-cutting preservation in production. Study Design: In order to analyze the function and action mechanism of antistaling agen...
Open access
Research Article10.9734/bji/2018/v22i430066
Aims: To determine effects of aromatic hydrocarbons and marine sediments from Niger Delta on the growth of microalga Phaeodactylum tricornutum. Study Design: Fifteen treatments and the control were designed in triplicates in which long cells containing 25 mL of the algae-toxicant...
Open access
Research Article10.9734/bji/2018/v22i430064
The search for efficient and green oxidation technologies has increased interest in utilization of laccases in non conventional methods. Laccases catalyze a wide range of substrates due to low substrate specificity and strong oxidative potentials. Challenges to large-scale enzyme...
Open access
Research Article10.9734/bji/2018/v22i430065
Runner tips explants of strawberry give rise to multiple shoots when cultured on MS medium supplemented with different concentrations and combinations of BAP with KIN or NAA or GA3.The highest response of shoot multiplication was obtained on MS containing 2.5 mgl-1 BAP + 0.5 mgl-...
Open access
Research Article10.9734/bji/2018/v22i430063
O. I. Ajayi, S. B. Kosoko, B. J. Awogbemi, T. A. Okedina, C. P. Onyemali, J. Ehiwuogu-Onyibe, A. K. Lawal & G. N. Elemo·Biotechnology Journal International·2019
In this study, sweet potato was purchased and processed using different methods to obtain 4 different sweet potato flour samples. Sample A was unfermented sweet potato flour, sample B was fermented spontaneously, while sample C and D were produced by fermentation using indigenous...
Open access
Research Article10.9734/bji/2018/v22i430062