OIL CAKE: AS A COMPONENT OF INM

OIL CAKE Oil cakes are the by-products of oil seeds crops. Oil cakes are the important and quick acting organic nitrogenous manure. It also contain small amount of phosphorous and potassium.

Types of oil cakes 1. Edible oil cakes 2. Non-edible cakes

1. Edible oil cakes This type of oil cake is used for feeding of cattles along with other meals in different ratio e. Some commonly used oil cakes are : mustard oil cakes, groundnut cake, sesame or til cake, linseed cake, coconut cake, etc.

Non edible cakes  This type of oil cake is not suitable for feeding to cattle and mainly used for manuring purpose,  Some commonly used non edible oil cakes are castor cake, need cake, etc.  These are a good source of nitrogenous manure. The amount of nitrogen varies with the type of oil cake. It ranges from 2.5 per cent in manual cake to 7.9 per cent in decorticate safflower cake.  In addition to nitrogen, all oil cakes contain small quantities of phosphoric acid (0.8 to 2.9 per cent) and potash (1.1 to 2.2 per cent).  Their nitrogen becomes quickly available in about a week or ten days after application to crops.

Oil cake Dry matter Crude protein Crude fiber AshCaP Cottonseed cake Groundnut oil Mustard oil cake Olive oil cake Palm kernel cake Sesame oil cake Soy bean cake Sunflower oil cake Composition of oil cakes

Application of oil cake Production of compost Production of pesticides As a feeding material for animals Production of Pleurotus sajor-caju

Possible biotechnological applications of oil cake  Production of enzyme  Production of antibiotics  Production of biochemicals (e.g. sesaminol glusides,sesaminol tri glycoside etc)  Preparation of protein hydro late  As growth supplement for microbes