The inventive subject matter relates to the combination of chemicals which would be used as potentiator and also named by us as POTENTIATOR-2. Potentiator-2 enhances the normally present taste and aroma of the food. The shelf life of any prepared food is increased from 3-6 months. Also reduces the agrochemical residues in variety of agro products. Increases the vitality of cells of any living beings and blood may be stored safely for long time even at room temperature.