African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12184

Table of Content: 10 December 2014; 13(50)

December 2014

Antenna elicitation and behavioral responses of oriental fruit moth, Grapholita molesta, to allyl cinnamate

Female sex pheromones have been used in pest control since the 90s; attracting males to baited traps (mass-trapping and monitoring) or avoiding (or reducing) mating in fields under mating disruption. By contrast, little is done among the use of male sex pheromones in pest control. Allyl cinnamate was evaluated as potential oriental fruit moth (Grapholita molesta, Busck) (Lepidoptera: Tortricidae) behaviour modifier,...

Author(s): M. Giner, M. Balcells and J. Avilla,

December 2014

Phytochemical, proximate and anti-nutrient compositions of four leafy vegetables used in South Eastern Nigeria

Chemical constituents of plants are influenced by environmental factors and fluctuations just as many other polygenic traits. Four different green leafy vegetables commonly used in the diets of South Eastern Nigeria were analyzed with a view to determine the phytochemicals, proximate and anti-nutrient compositions of these ecotypes. The vegetables, of which three are spices, are scent leaf (Ocimum gratissimum L.),...

Author(s): Abu Ngozi E., Ozoagudike Chinenye M. and Akaneme Florence I.

December 2014

Physicochemical, organoleptic and nutritional characteristics of four sweet cassava (Manihot opi) varieties

There exist a wide variety of tropical tubercles in Martinique French West Indies (F.W.I.). This study was carried out in order to investigate the development of local varieties of sweet cassava (Manihot opi). The purpose of this research was to enhance knowledge of the nutritional and agricultural characteristics of these tubers. The first step in the research project was to carry out a survey and screening of selected...

Author(s): E. Njoh Ellong, C. Billard and S. Adenet

December 2014

Seed pre-treatment methods for improving germination of Acacia tortilis

Acacia tortilis (Forsk.) Hayne is considered as an important dryland tree species in Africa and Middle East, and establishing an effective and efficient seed-germination method is considered necessary for producing planting materials. In this study, new germination method was compared with some of the previously reported methods and evaluated in A. tortilis. In the new method, root setting was observed within 3 days and...

Author(s): So Hanaoka, Norio Nakawa, Norihisa Okubo, Stephen Fredrick Omondi and Jason Kariuki

December 2014

Chrysodeixis includens (Lepidoptera: Noctuidae) on soybean treated with resistance inducers

Plant resistance levels can be boosted to enable better pest management. The objective of this study was to evaluate resistance interaction between four soybean genotypes and three inducers resistant to integrated management of Chrysodeixis includens. The assays were performed in the entomology laboratory. The soybean genotypes were seeded and plants were treated with calcium and magnesium silicate on soil and...

Author(s): Paulo Vinicius de Souza, Bruna Ribeiro Machado, Marcelo Mueller de Freitas, Fernanda Correa, André Cirilo de Sousa Almeida and Flávio Gonçalves de Jesus

December 2014

Novel carrier system for enhancing oral delivery of metformin

This study was designed to evaluate the potential of PEGylated lipospheres as carriers for improved oral delivery of metformin hydrochloride. Lipospheres were prepared by melt-emulsification method using Phospholipon® 90H in beeswax (30%w/w) as the lipid matrix containing increasing quantities of PEG 4000 and characterized. The in vitro and in vivo release of the formulations was evaluated. Results show that the...

Author(s): Adedokun, M. O., Momoh, M. A., Kenechukwu, F. C., Umeh, O. N. C., Okpalanedu, C. M. J. and Ofokansi, K. C.

December 2014

Differential responses of growth, chlorophyll content, lipid peroxidation and accumulation of compatible solutes to salt stress in peanut (Arachis hypogaea L.) cultivars

The present study was aimed to compare differential responses of growth, chlorophyll content, lipid peroxidation and accumulation of compatible solutes in peanut (Arachis hypogaea L.) cultivars: Fleur 11 (salt-tolerant), Mbiah and PC 79-79 (moderately-tolerant) and Vanda (salt-sensitive) at the vegetative growth stage, under greenhouse conditions, in the presence of 0, 50, 100 or 200 mM NaCl. The root dry weight (RDW)...

Author(s): Meguekam Liliane Tekam, Taffouo Victor Désiré, Grigore Marius-Nicusor, Zamfirache Magdalena Maria, Youmbi Emmanuel and Amougou Akoa

December 2014

Antidiabetic activity and acute toxicity evaluation of aqueous leaf extract of Vernonia amygdalina

The present study was aimed to explore the therapeutic dose for antidiabetic activity and toxicological evaluation of Vernonia amygdalina (Va) aqueous extract in alloxan-induced diabetic rats. Aqueous extract of leaves of Va was administered to alloxan induced diabetic rats in a dose of 150 and 300 mg/kg (orally) daily for 14 days. After this period, blood glucose level, haematological parameters and liver enzymes...

Author(s): M. A. Momoh, M. O. Adedokun, A. T.  Mora and A. A. Agboke