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1.
Pakistan Journal of Pharmaceutical Sciences. 2013; 26 (5): 1027-1031
Dans Anglais | IMEMR | ID: emr-138426

Résumé

Cosmos caudatus [ulam raja] contains high mineral content and possesses high antioxidant activity which may be beneficial in bone disorder such as postmenopausal osteoporosis. The effects of C. caudatus on bone metabolism biomarkers in ovariectomized rats were studied. 48 Sprague-Dawley rats aged three months were divided into 6 groups. One group of rats was sham-operated while the remaining rats were ovariectomized. The ovariectomized rats were further divided into 5 groups: the control, three groups force-fed with C. caudatus at the doses of 100mg/kg, 200mg/kg or 300mg/kg and another group supplemented with calcium 1% ad libitum. Treatments were given 6 days per week for a period of eight weeks. Blood samples were collected twice; before and after treatment. Parameters measured were bone resorbing cytokine; interleukin-1 and the bone biomarkers; osteocalcin and pyridinoline. Serum IL-1 and pyridinoline levels were significantly increased in ovariectomized rats. Supplementation of C. caudatus was able to prevent the increase of IL-1 and pyridinoline in ovariectomized rats. Besides that, C. caudatus showed the same effect as calcium 1% on biochemical parameters of bone metabolism in ovariectomized rats. In conclusion, Cosmos caudatus was as effective as calcium in preventing the increase in bone resorption in ovariectomized rats


Sujets)
Animaux , Femelle , Ovariectomie , Ostéoporose/traitement médicamenteux , Phytothérapie , Extraits de plantes/pharmacologie , Plantes médicinales , Remodelage osseux/effets des médicaments et des substances chimiques , Os et tissu osseux/effets des médicaments et des substances chimiques , Calcium/pharmacologie , Compléments alimentaires , Modèles animaux de maladie humaine , Rat Sprague-Dawley , Facteurs temps , Interleukine-1/sang , Ostéocalcine/sang
2.
Malaysian Journal of Nutrition ; : 171-177, 2007.
Article Dans Malayalam | WPRIM | ID: wpr-625135

Résumé

The protein nutritive value of anchovy, mackerel and canned sardine samples together with casein as a reference formulation were evaluated. Proximate composition, protein quality and protein digestibility were determined. Procedures for evaluation included Protein Efficiency Ratio (PER) using the rat bioassay and in vivo Apparent Digestibility (AD). Rats fed with canned sardine diet had the highest mean body weight (154.8±12.28g) while rats fed with anchovy diet had the lowest mean body weight (145.27±15.89g) with significant differences between all the groups. Mean body weight of rats fed with selected fish diet was higher compared to rats fed with casein diet. For PER value, canned sardine has the highest value (2.48), followed by anchovy (2.46) and mackerel (2.34). PER value for all selected fish is lower than that for casein (3.14). Mackerel had the highest value of in vivo AD (96.99%), followed by casein (96.96%), canned sardine (96.88%) and anchovy (91.29%). In conclusion, among the types of fish compared, sardine had the highest protein quality while mackerel showed the highest digestibility.


Sujets)
Protéines , Régime alimentaire , Caséines , Rats
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