Activities of antioxidant systems during germination of Sterculia urens Roxb. seeds

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Research Articles | Published:

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Pub Email:
Doi: 10.1007/s42535-021-00252-8
First Page: 882
Last Page: 888
Views: 680

Keywords: Catalase, Peroxidase, Phenolics, Seed germination, Sterculia urens , Superoxidase dismutase


The activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD) and concentration of total phenols, proteins were studied during seed germination of S. urens from 0 to 15th day. The increased activity of SOD was observed on 3rd day of seed germination in cotyledons and on 6th day in seedlings respectively which decreased thereafter. Similarly increased CAT activity was observed on 3rd day of seed germination in cotyledons and maximum activity on 6th day of germination in seedlings. But increased activity of POD was observed on 6th day of seed germination in cotyledons and on 3rd day in seedlings respectively which decreased thereafter. The protein content reduced gradually in cotyledons from 0 day to 15th day, with a rapid decrease on 6th day of germination. But in seedlings it increased gradually up to 9th day of germination and later reverse trend was observed. Increased level of total phenols was observed on 3rd day of germination and decreased thereafter in cotyledons, while in seedlings phenols increased gradually up to 12th day of seed germination. The present study explains the efficient involvement of antioxidant systems and the synergistic activities of different antioxidant enzymes that play a key role during seed germination in S. urens.

Catalase, Peroxidase, Phenolics, Seed germination, 
                Sterculia urens
              , Superoxidase dismutase

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Author Information

Prattipati Subhashini Devi
Department of Biochemistry, Andhra University, Visakhapatnam, India
Botcha Satyanarayana
Department of Biochemistry, Andhra University, Visakhapatnam, India

Maradana Tarakeswara Naidu
Department of Botany, Andhra University, Visakhapatnam, India