Acid Value
It is the number of milligrams of KOH required to neutralise the free acid present in 1 g of oil or fat .
Saponification Value
It is the number of milligrams of KOH required to saponify 1g of oil or fat or the number of milligrams of KOH required to neutralise the free acidresulting from the hydrolysis of 1 g of an oil or fat .
Iodine Value
It is the number of grams of iodine absorbed by 100 g of oil or fat .
Relchert-Meissel Value ( R / M Value )
It is the number of cc of N / 10 KOH required to neutralise the distillate of 5 g of hydrolysed fat .
Blood
An average person has about 6.8 L of blood which is about 6-10 % of the body weight . pH of blood is about 7.4 .
Haemoglobin is globular protein . It is made up of four polypeptide chains which are arranged in tetrahedral manner . Each chain is associated with a non-protein part , called haem .
Haemoglobin
These axe the chemical substances which are produced by ductless glands in the body . Hormones acts as chemical messengers .
Some examples of ductless „( endocrine ) glands are thyroid , pitutary , adrenal , pancreas , testes and ovaries .