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Kidney stone formation and recurring urinary tract infection (UTIs) are common among the general population. An alternative herbal treatment potential was investigated in this study. This study aims to investigate anti-urolithiasis efficacy of herbal Tribulus terrestris (TT) plant leaf extract in reducing the growth of calcium oxalate and struvite crystal using in vitro methods. In vitro antiurolithiatic potential of TT leaf extract was studied using nucleation, aggregation, and crystal formation assays in synthetic media and in synthetic urine samples. In vitro antiurolithiasis potential of Tribulus terrestris (TT) plant leaf extract was investigated at concentrations ranging from 100 to 1000 μg/ml. Initially, the principal phytochemical constituents of TT methanolic leaf extract was examined. Then antibacterial properties of TT plant leaf extract were tested against common urinary tract pathogens such as Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The results of the nucleation assay revealed that TT leaf extract reduced up to 55% of calcium oxalate (CaOx) crystallization and inhibits struvite crystal formation up to 85% with 5% (0.43 g) of TT extract. This study revealed a dose-dependent suppression of crystal formation by increased TT plant leaf extract dosage. The antibacterial activity of TT plant leaf extract is greater against E. coli than S. aureus. This anti-urolithiasis potential of TT plant extract can be used as an antidote for individuals who are prone to urinary crystal formation as well as to control urinary tract infections.
Senguttuvan et al. (Sun,) studied this question.