level: level 2 - QUESTIONS
Questions and Answers List
level questions: level 2 - QUESTIONS
Question | Answer |
---|---|
What are the differences between the fixed oils and volatile oils? | Volatile oils vaporize easily at room temperature volatile oils are aromatic Fixed oils does not vaporize easily at room temperature fixed oils are rancid |
Chemical Tests for fixed oils list | 1 Iodine no. 2 Saponification no. 3 Reichert-Meissl (RM) number 4 Acid no. |
It is defined as the number of ml 0.1 N KOH required to completely neutralize the soluble volatile fatty acids distilled from 5 g fat. | Reichert-Meissl (RM) number |
What is the chemical composition of fixed oils and fats? | Glycerides and fatty acids |
What causes the rancidity of the fixed oils? | Oxidation of unsaturated fatty acids accelerated when exposed to light, heat and air |
Name the pharmaceutical uses of peanut oil. | Lower cholesterol Prevent Heart Disease Aid in weight loss Prevent cancer |