chemistry in cooking oil

Man's quest for sources of energy is inexhaustible. Early man depended mainly on muscular energy and later began to use wind and flowing water as sources of energy. He learned the art of making and controlling fire. Fire became his source of light at night. He used fire for warmth and realized that..

Petroleum gas a by-product from two sources: natural gas processing and crude oil refining is a mixture of butane, propane and ethane. The main constituent of liquefied petroleum gas is, however, propane, propylene, butane, butylene in various mixtures. These hydrocarbons burn readily, p..

The last runnings obtained by rectification contains mainly high boiling alcohols called amyl alcohols. This is called fusel oil and is used for preparing amyl alcohols or acetate..

In this type of emulsion oil is the dispersed phase, while water is the dispersion medium. Examples are milk and vanishing crea..

The refining of petroleum is done in big refineries. Washing it with acidic or basic solution first neutralizes crude oil. A furnace is used to heat up the crude oil to 650 - 675 K and then the pressure reduced. The resulting crude oil vapors are fed into a fractionat..

Cold cream is an emulsion where the oil component is predominant. Oils may be almond oil, lanolin oil, paraffin oil and bees wax. Cold creams also contain water, a little perfume oil and borax. This borax enables emulsificatio..

Vegetable oils are the rich sources of vitamin E. It is present in small amounts in meat, milk, butter and eggs. Sunflower oil, wheat germ oil, cotton seed oil and corn oil are the good sources of vitamin..

Many polyhalogenated hydrocarbons find important use as industrial solvents, pesticides, refrigerants, medicines, inert lining of cooking utensils, etc. Some useful chloro compounds a..

Soaps are sodium or potassium salts of higher fatty acids like stearic, palmitic and oleic acids. Fatty acids are organic acids that have more than sixteen carbon atoms in their molecular structure. The sodium soaps are called hard soaps and the potassium soaps are known as soft soaps. Soaps are ob..

A cleansing cream or lotion is used for the removal of facial make - up, surface grime and excess oil. The mineral oil in the cream acts on the grease and excess oil that bind grime or make up on the skin and removes the..