3 resultados para preventive interventions
em Aquatic Commons
Resumo:
On their way to a better economical situation, developing countries are now starting taking advantage of the technologies, which made developed countries successful. In doing so, they are starting being confronted to the same ecological problems. Such is the case in Côte d'Ivoire of the Ebrié lagoon in the Abidjan region, the delicate ecosystem of which is now in danger.
Denaturation of Labeo rohita (Rohu) actomyosin on frozen storage: preventive effect of carbohydrates
Resumo:
The preventive effect of sucrose and glucose on the denaturation of frozen rohu actomyosin at -20°C for 7 weeks was examined using an in vitro test model. The rate of denaturation was followed by estimating percentage salt extractability, Ca¹²+ ATPase activity and the clearing response test. Sucrose and glucose showed cryoprotective action for all concentration of actomyosin. Higher actomyosin concentration was preserved better than lower concentration. Post-rigor actomyosin was preserved to a greater extent than pre-rigor actomyosin. Correlation between percentage salt extractability and enzyme activity could not be observed in all samples of frozen actomyosin studied.
Resumo:
The preventive effect of fumarate, maleate, tartrate and oxalate on the denaturation of frozen rohu actomyosin at -20°C in 0.7 M KCl for 7 weeks was examined using an in vitro test model. The rate of denaturation was followed by estimating percentage salt extractability, Ca²+ ATP-ase activity and the clearing response test. Fumarate, maleate and tartrate showed cryoprotective effect for higher concentration of pre-rigor rohu actomyosin of 10 mg/ml and 20 mg/ml. At actomyosin concentration of 6 mg/ml, maleate and tartrate showed some preventive effect whereas fumarate enhanced denaturation. Oxalate showed poor cryoprotective action. Post-rigor rohu actomyosin was preserved frozen without denaturation to a greater extent than pre-rigor actomyosin.
