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Contribution à  l'étude phytochimique et biologique des deux extraits d'ail (allium sativum) chez le lapin hyper thyroà¯dien

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par Sofiane, Sofiane MAZOUZI, BEKKAI
Université Badji Mokhtar de Annaba - Master en biochimie appliquée 2011
  

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ABSTRACT

The objective of our work is to study the antithyrotoxic effect of both sorts (species) of local and Chinese Allium sativum to the rabbits of the local origin (stump) (Oryctolagus cuniculus domesticus).

The study was made on 20 male rabbits distributed in 4 groups of 5 individuals each, a group witness (baton), 3 groups made patients by intraperitonéal injection of sodic L-thyroxin at the rate of 200 ug / kg of the physical weight, among which 2 groups are treated (handled) by the oral administration of the extract of every sort (species) of garlic separately for reason 500mg / kg of the physical weight.

After 21 days of treatment, rabbits are sacrificed, and the various parameters are determined.

From the obtained results, we observed a fall of the physical weight to the sick rabbits further to a very clear disturbance of the metabolism after the injection of the thyroxin. It is translated by a hyperglycemia, a hypocholesterol level with a highly significant increase of the plasmatic content in total lipids, on the other hand the concentration in total proteins decreased.

Concerning the hepatic enzymes, we noticed an increase of the enzymatic activity of transaminases, as well as ALP, which comes along with a rise of the relative weight of the liver.

Furthermore, the injection of the thyroxin showed a decrease of the relative weight of the thyroid gland further to an inhibition of its function (office).

Besides, the treatment of the sick rabbits by the homogenate of garlic in particular the local sort (species), restored the values of certain blood parameters in the standards.

The phytochemical study showed the wealth of garlic especially of the local sort of secondary metabolites (saponosides, flavonoïdes, terpenes and sterols) which confers it its pharmacological properties.

Key words: Allium sativum, thyroxin, thyroid, biochemical parameters, rabbit.

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ßáãÇÊ ÏÇáÉ :, Allium sativum ËíÑæßÓíä, ÇáÛÏÉ ÇáÏÑÞíÉ, ÇáãÚÇííÑ ÇáÈíæßíãíÇÆíÉ, ÇÑäÈ .

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