This study was to confirm the effect of supplementation of superjami bran extract on lipid and antioxidant metabolism. Twenty-five subjects were recruited, and divided into Superjami group (n=12), and Placebo group (n=13) random assignment. Among the groups, the Superjami group took a Superjami bran extract (2 g/2 capsule/day), and the Placebo group took dextrin (2 g/2 capsule/day), for 12 weeks. As a result of the experiment, concentrations of TG, TC, and HDL-C in the blood, were significantly lower than those in the control group, and HDL-C was significantly higher. AI and HTR also showed positive values. Leptin did not differ significantly, but as a result of adipectin, the Superjami group displayed a higher value, compared to the Placebo group, and LAR also had significantly lower value. Antioxidant results showed that GPx, CAT, and RGLU, were significantly higher before as well as after intakes of the Superjami group, and significantly higher levels of the Superjami group, compared to the Placebo group. AOPP showed significantly lower values for the Superjami group, compared to the Placebo group. So, based on this study, ingestion of Superjami bran extract is effective in improving blood lipid concentrations as well as inflammatory substances, and has positive effects relative to increasing antioxidant activity.

Superjami is a new rice breed resulted from crossing ‘C3GHi (has high amount of Cyanidin 3-glucoside, and was developed from a cross between ‘Heugjinjubyeo’ and ‘Suweon 425’) and ‘Daeribbyeo 1’. Superjami has 10.9 times higher C3G content compared with ‘Heugjinjubyeo’. It also contains the highest essential amino acids of all kinds (except tryptophan content). This study was done to investigate the effects of extracts from superjami bran on the in-vitro antioxidant metabolism, in-vivo antioxidant metabolism and bone metabolism on menopause- induced condition in experimental rats. Overall, extract from superjami bran was confirmed of improving antioxidant and bone metabolism which can be considered as a good dietary supplement.

The ovariectomized Sprague-Dawley female rats were randomly assigned to Sham-Control, OVX-Control, OVX-Superjami (extract) groups. The results showed that the activity of glucokinase to keep the blood sugar constant is increased by increasing insulin secretion from pancreatic β- cells and the homeostatic regulation of glucose. Meanwhile the glyconeogenesis which is involved in the actions of the enzymes glucose-6-phosphatase and phosphoenolpyruvate carboxykinase showed that the glucose level is decreased. It was confirmed that these enzymes regulate the carbohydrate metabolism. On the other hand, results of the measurement of the lipid metabolism in the fat tissue and liver tissue, effect of β-oxidation enzymes and carnitine palmitoyl transferase which is involved in fatty acid oxidation for energy generation is increased. Moreover, the activity of fatty acid synthase, glucose-6-phosphate dehydrogenase and malic enzyme have been reduced, therefore, it was confirmed that these enzymes regulate the lipid metabolism.