Legumes play an vital function in human body due to dietary fiber, protein, minerals and vitamins and well-balanced essential amino acid. Legume proteins have gained increasing significance because of preferred functional properties, including gelling and emulsifying properties. Legumes contains anti nutritional compounds like Trypsin inhibitor(TIs), Phytic acid(PA), Tannin, Saponin, Lectins, They are not a major concern for most people, but may become a problem during periods of malnutrition, these can be easily removed by dehulled, cooking, thermal process, germination after soaking. Protein isolates are advanced form of protein containing the greater amount of protein with greater digestibility. There are different types of protein isolates like chickpea, whey protein Pea protein, cowpea protein isolates .The extraction methods of protein isolates are Iso electric extraction and alkaline extraction, citric acid extraction. Our aim of this paper is to optimize the protein isolate for diet people and innovate research in this field to produce some protein enriched food formulations.
Petroleum based fuels are the main source of energy for the transportation vehicles. It is consumed in a very faster rate due to continuous use. Major drawback of fossil fuel usage is exhaust gas emission and it is non-renewable. The search for alternate energy source has been increasing; one of the better alternatives is biodiesel. The biodiesel can be effectively used as an alternate fuel instead of diesel as its properties is very close to diesel. The biodiesel extracted from Karanja oil is tested in diesel engine as B100 and B20 blend and its results were compared with diesel. It was found that the brake thermal efficiency is low for biodiesel and its blend compared to diesel. The specific fuel consumption increases for B100 and B20 than diesel due to its reduced heating value. Carbon monoxide and hydrocarbon emission is reduced considerably for B100 compared to B20 and neat diesel. At the same time the NOx emission is also observed to be decreasing for B100 and the NOx of B20 is closer to diesel. From the results obtained the Karanja oil biodiesel can be directly used in direct injection diesel engines and can be a better alternate fuel for the conventional one.
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