Author(s):

Lokesh Madineni, K Ravi Chandra Charyulu, B Harish Babu, Ayyana K and Ashok Chakravarthy

Abstract: The use of synthetic antioxidants is limited due to their toxic properties. The purpose of this study is to study the antioxidant activity of medicinal and aromatic plant extracts and to identify alternative natural and safe sources of food antioxidants, especially of vegetable origin. Research work was conducted to study the rehydration of various temperatures and dried moringa leaves. The moringa leaves are widely known for their cosmetic properties, which have anti-carcinogenic, anti-inflammatory, analgesic and antipyretic properties. To study the effect of different drying conditions on the kinetics of moringa leaves, they were dried at 50, 60 and 70 °C. The drying of the Moring leaves was visible during the fall rate and at higher temperatures the drying was faster. Among the mathematical models studied, the Newtonian model has satisfactorily characterized the resistance to drying with the highest values of r2. The actual moisture diffusivity of the Moring leaves increases as the temperature of the drying air increases.

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