August 2013

Study on universal cleaning solution in removing blended pesticide residues in Chinese cabbage

  Food safety problems caused by pesticide residues in vegetables have become one of the top issues of public interest. In order to find an effective method of removing pesticide residues in vegetables, Chinese cabbages were processed as simulated pesticide pollution using three types of pesticides, namely; organophosphorus pesticide, organochlorine pesticide and pyrethroid pesticides. The polluted Chinese...

Author(s): ZHANG Yu-shan, LI Xiao-peng, LIU Hong-mei, ZHANG Yao-kun, ZHAO Fan-fei, YU Qin-jie, LI Hao and CHEN Jian-wen

August 2013

Acute toxicity of Lepidagathis alopecuriodes (Vahl) to Heterobranchus bidorsalis fingerlings

  The acute toxicity of L. alopecuriodes to H. bidorsalis fingerlings of mean body weight, 1.99  0.38g and total length 6.32  0.93cm was assessed in a renewal bioassay for 96 h. Five graded concentrations of L. alopecuriodes were prepared as 0.5, 1.0, 1.5, 2.0 and 2.25mg/L and a control experiment (0.00 mg/L).  There were no significant variations observed in the water...

Author(s): Okey, I. B., Gabriel, U. U.  and Keremah, R. I. 

August 2013

Determination of heavy metal contents in some industrial effluents from Ondo State, Nigeria

  Industrial effluents were collected from JOF Ideal Farm, Owo, an industry producing soya beans vegetable oil;  Stanmark Cocoa Processing Company, Ondo; King’s Cool, Ondo Plastic Industry Limited (OPIL), Akure; Benkaof Bottling Company, Akure and TISCO Company, Akure, producing disinfectants, dettols and methylated spirit. The effluents collected were kept in polyethylene bottles and labelled as E1,...

Author(s): OGUNLEYE, Idowu Oluwatosin and IZUAGIE, Anthony A.

August 2013

Development of method for residue analysis of three herbicides in the soil by high performance liquid chromatography (HPLC)

  Contamination of soil and water resources by herbicides is an increasing environmental concern. Soil plays an important role in agro-ecosystem and the environment, but information for analysis of herbicides residue in the soil can be very difficult to come by. Laboratory experiment was conducted to simplify analytical methods of the residue of paraquat, glyphosate, and glufosinate-ammonium in soil through...

Author(s): Wahyu Wibawa