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Digestion et absorption des glucides et des ... - Physiologie ENVT

Digestion et absorption des glucides et des ... - Physiologie ENVT

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<strong>Digestion</strong> <strong>des</strong> lipi<strong>des</strong>• <strong>Digestion</strong> enzymatique Lipase• Secrétée en excès• Hydrolyse les graisses très rapidement Triglycéri<strong>des</strong> (TG) hydrolysés en aci<strong>des</strong> gras (AG) libres <strong>et</strong>en monoglycéri<strong>des</strong>. Hydrolyse préférentielle sur les positions 1 <strong>et</strong> 3TriglycérideCH 2 -O-CO-RR-COOHCH 2 -OHMonoglycérideCH-O-CO-RCH 2 -O-CO-RR-COOHCH-O-CO-RCH 2 -OHglycérolacide gras

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