Abstract: The present invention provides an enzymatic process for the prevention of development of pacha taint in CTC tea which comprises: (I) mixing an enzyme in water to form an enzyme solution; (II) spraying the enzyme solution homogeneously on rolled and distorted tea leafy material used in the black tea manufacturing process; (III) fermenting the enzyme solution sprayed rolled and distorted tea leafy material obtained at the end of step (II) (iv) drying the fermented material obtained in step (III). The enzyme can be mixture of any of lipase, lipoxygenase anel alcoholdehydrogenase.

Abstract: The present invention relates to a simple process for the preparation of safe, environmental friendly, and natural antioxidant conserve of activity ranging between 80-85%, comprising oleoresin from Indian curry leaves (Murraya Koenigii Spreng.), said process-comprising steps of drying the washed curry leaves at temperature ranging between 30-80° C., for time duration ranging between 2-10 hours, powdering the dried leaves into coarse powder form, extracting the powder with polar solvent preferably ketone with alkyl group, and obtaining antioxidant conserve comprising oleoresin from the extract by removing the solvent; also, use of antioxidant conserve at concentration ranging between ranging between 0.2 to 3.0%, comprising oleoresin from Indian curry leaves (Murraya Koenigii Spreng.) as an anti-oxidant in food and pharmaceutical substances and additives.

Abstract: The present invention relates to a use of brown color natural anti-oxidant fraction from fruit of the plant Cinnamomun zeylanicum for preserving the food articles, and a simple and efficient process for the preparation of a brown color natural antioxidant fraction from fruits of the plant Cinnamomun zeylanicum, wherein the solvents can be regenerated, and lastly, the fraction per se.