Quantitative Analysis and First Report of Euglena tuba from Himachal Pradesh, India

Euglena tuba, a fresh water unicellular microalga has been reported first time from the Masran-Ka-Talab in Baroh area of village Dhalwara in district Kangra of Himachal Pradesh, India forming a reddish brown colour bloom in a pond due to the presence of astaxanthin pigment. Quantitative analysis of the sample shows that Euglena tuba exhibits high antioxidant and free radical scavenging activities with high reducing power capacity.