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Cape gooseberry (Physalis peruviana L.) is a tropical fruit which has a unique flavor and extremely high nutritional value. This fruit is a source of vitamin C, vitamin E, phenolic compounds and carotenoids which have bioactive properties. Also it has high dietary fiber and minerals content too. Cape gooseberry fruits grown in Antalya which has Mediterranean climate conditions are used in this study. Some of bioactive properties of cape gooseberry are determined. Cape gooseberry phenolic compounds content, which is the main contributor to antioxidant activity, has been examined. The total phenolic compound content was found to be1.92±0.03 mg gallic acid equivalent / g dry weight. Rutin, gallic acid, vanillin, p-coumaric acid, ferulic acid and cinnamic acid were determined in fruits. Rutin was determined as dominant phenolic compounds in fruits. The second highest phenolic compound was gallic acid. Also it was observed that fruits were rich in vitamin C, which is another component that contributes to antioxidant activity. The vitamin C content was found to be 159.76±8.25 mg/100 g dry weight. Cape gooseberry contained 11.50±0.05 mg carotenoids per 100 g dry weight, and it was determined that β-carotene contents of samples were significantly higher than α-carotene contents. Cape gooseberry fruits was also rich in carbohydrates. Sucrose, glucose and fructose were determined as major carbohydrates in cape gooseberry fruits. [ABSTRACT FROM AUTHOR]