Standard Cordycepin (3’-deoxyadenosine) was purchased from Sigma Chemical Corporation
(St. Louis, MO, USA). Other chemicals and nutrient medium ingredients of analytical grade
were purchased from E-Merck India and Hi media Ltd (India) respectively. Cordyceps
militaris 3936 was procured from microbial type culture collection (MTCC) IMTECH Chandigarh, India which was regularly maintained on potato dextrose agar (PDA) slants and
stored at 4°C.