Group-I ControlĀ  Rat
Group-II (SP-S) Rat, orally administered with Sericin (200 mg/kg body weight) up to 60 days (31st day to 90th day) continuously once in a day. [21]
Group-III (AD) Rat, Intraperitoneally (IP) administered with D-Gal (120 mg/kg body weight) up to end of the experiment (1st day to 90th day). [13,22]
Group-IV (AD+SP-S) Rat, Intraperitoneally injected with D-Gal (120 mg/kg body weight) once daily for first 30 days. From 31stday onwards rats were administered with Sericin (orally; 200 mg/kg body weight) along with D-Gal (IP) up to 90th day.
Table 1: Groupings of rats to view altered activity during nights.
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