摘要：Oxidative stress can lead to infection, which in turn have effects on the onset of the diseases. Particularly in adults obesity who have low immune response which is characterized by an increase in lymphocytes levels that play a role in producing immunoglobulin G (IgG) antibody to fight infection in the body. The purpose of the study was to analyze effect of antioxidant drinks intervention (tomato extracts and flavoured-rice bran powder drinks) on titers of IgG in adults obesity used quasi-experimental one group pre and post-test design. The subjects used in this study were 13 adults. The intervention 240 ml (2 cups) of tomato extracts and 30 g (2 sachets) of flavored-rice bran powder of each 1 to 2 times a day for 2 weeks (14 days). Results showed a significant decreased in IgG titers and proved that the intervention antioxidant drinks able to give effect to the improvement of the subjects's body immunity by improving the body's oxidative stress level.
