Antioxidant and antimicrobial properties of Garcinia mangostana

Aim of this study is to present microbiological quality, and antimicrobial and antioxidant activity of the mangosteen fruit in two forms: freeze-dried powder and fresh fruit. During the identification of the mangosteen microbiota using a MALDI-TOF MS Biotyper mass spectrophotometer, the presence of B. cereus and Saccharomyces spp. has been detected. The best antimicrobial activity was achieved against Micrococcus spp. Mangosteen fruit (Garcina mangostana) is characterized by a high content of polyphenols at the following levels: fresh fruit 3.22 ±0.68 mg GAE.g⁻¹; powder form 2.17 ±0.64 mg GAE.g⁻¹. Mangosteen shows a high antioxidant capacity of the fruit in the two forms presented in the work. It was 21.18% (fresh fruit) and 14.46% (freeze-dried fruit). Mangosteen also shows an antibacterial activity in relation to the strains of bacteria tested in our work.