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CONTROLO DE QUALIDADE DE ÓLEOS DE FRITURA EM ...

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CH3 ­ (CH2)4 ­ CH » CH ■ CH2 ­ CH » CH ­ (CH2)7­COOH (1)<br />

♦ +H +<br />

CH3 ­ (CH2)4 ­ CH2­ CH* ­ CH2 ­ CH = CH ­ (CHjb­COOH (2)<br />

j +(1)<br />

CH3 ­ (CH2)4 ­ CH2 ­ CH ­ CH2 ­ CH = CH ­ (CH2)7­COOH<br />

CH3 ­ (CH2)4 ­ CH ­ CH* ­ CH2 ­ CH = CH ­ (CH2)7­COOH<br />

i ­H+<br />

I<br />

CH3 ­ (CH2)4 ­ CH2 ­ CH ­ CH2 ­ CH = CH ­ (CH2)rCOOH CH3­(CH2)S<br />

I +H +<br />

CH3 ­ (CH2)4 ­ C = CH ­ CH2 ­ CH = CH ­ (CH2)7­COOH CH3­(CH24<br />

DÍMERO<br />

R V^ s s<br />

Figura 11 ­ Formação dos ácidos gordos cíclicos<br />

(Gertz e Kochhar, 2004)<br />

(CH2)7<br />

(CH2)7­COOH<br />

Parte teórica 32

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