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Question
Explain the composition of triglyceride.
Solution
Triglyceride is a glyceride, which is formed from a single molecule of glycerol, esterified with three fatty acids. It is mainly present in vegetable oils and animal fat.
\[\begin{array}{cc}
\phantom{................................}\ce{O}\\
\phantom{................................}||\\
\phantom{...................}\ce{O}\phantom{.......}\ce{CH2 - O - C - R1}\phantom{..}\\
||\phantom{........}|\\
\phantom{.......}\ce{R2 - C - O - CH} \phantom{.........}\ce{O}\\
\phantom{.....................}|\phantom{...........}||\\
\phantom{..........................}\ce{CH2 - O - C - R3}
\end{array}\]
Structure of triglyceride
The general chemical formula of triglyceride is R2COO - CH2CH(-OOCR1)CH2 - OOCR3 , where R1, R2, and R3 are fatty acids. These three fatty acids can be same or different.
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