Hypometabolism, antioxidant defenses and free radical metabolism in the pulmonate land snail Helix aspersa
Gabriella R. Ramos-Vasconcelos and
Marcelo Hermes-Lima*
Oxyradical Research Group, Departamento de Biologia Celular,
Universidade de Brasília, Brasília, DF, 70910-900,
Brazil

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Fig. 1. Ratio of glutathione disulfide:total glutathione (GSSG:GSH-eq) levels
during the transition from 20 day estivation (time zero) to 24 h active snails
H. aspersa. Values are means ± S.E.M. (N=5 for
hepatopancreas; N=4 for foot muscle). bSignificantly
different from the corresponding value for estivating snails,
P<0.05.
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Fig. 2. Concentration of thiobarbituric acid reactive substances (TBARS) during the
transition from 20 day estivation (time zero) to 24 h active snails H.
aspersa. Values are means ± S.E.M. (N=3-4 for
hepatopancreas; N=3 for foot muscle). aSignificantly
different from the corresponding value from estivating snails,
P<0.01; bP<0.05; csignificantly
different from the corresponding values for 5 min and 24 h active snails,
P<0.05.
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