الإسترات

Esters الإسترات

Definition: an ester is a carboxylic acid which hydrogen have been substituted for an R group The molecule on the left (Methyl acetate) shows the ester functional group (the remaining hydrogen atoms are drawn in green for clarity). Esters are is generaly abbreviated RCOOR'
الإسترات مشتقات للأحماض العضوية تحتوي على مجموعة الإستر كمجموعة وظيفية .
Esters are formed by the reaction of a carboxylic acid with an alcohol. this process is known as esterification.

يمكن الحصول على الاسترات بتفاعل الأحماض العضوية مع الأغوال .

Lipids are the result of the reaction of fatty acids (see the carboxylic acid section) with alcohols such as glycerol (to give di-or triglycerides) or cholesterol (sterides) an example of triglyceride is given below.

Esters also contribute to the odor of fruits. The ester with a banana odor is given below as an example in a space-filling model;

triglyceride

ester with banana odor