Chemical Composition, Antioxidant Potentials, and Calcium Oxalate Anticrystallization Activity of Polyphenol and Saponin Fractions from <i>Argania spinosa</i> L. Press Cake
2022
Fatima Ezzahra El oumari | Naima Mammate | Hamada Imtara | Anissa Lahrichi | Radouane Elhabbani | Ghita El mouhri | Ali S. Alqahtani | Omar M. Noman | Mansour N. Ibrahim | Andriy Grafov | Dalila Bousta | Tarik Sqalli Houssaini
A wide range of biological properties and a potent therapeutic and prophylactic effect on chronic diseases are all present in <i>Argania spinosa</i> L. press cake. The aim of this research is to valorize the anticrystallization properties against calcium oxalate crystals of <i>Argania spinosa</i> L. press cake fractions and identify its bioactive components. Chemical species identification was performed using GC–MS analysis. The turbidimetric model was used to investigate crystallization inhibition in vitro. Infrared spectroscopy technique was used to characterize the synthesized crystals. Furthermore, both DPPH and FRAP methods were used to assess antioxidant activity. The results show that the fractions are equally important in crystallization inhibition percentages of calcium oxalate crystals. For saponin and polyphenol fractions, the inhibition percentages are in the orders of 83.49% and 82.83%, respectively. The results of the antioxidant activity by DPPH method show that the two fractions are equally important in the elimination of free radicals; the inhibition percentages were 77.87 ± 4.21 and 89.92 ± 1.39 for both polyphenols and saponins, respectively. FRAP method showed that the absorbance increases proportionally with concentration, and the absorbance are almost similar for both fractions and reach maximum values in the orders of 0.52 ± 0.07 and 0.42 ± 0.03, respectively, for saponins and polyphenols. These findings demonstrate that both fractions are rich in bioactive chemicals and have an anticrystallization capacity, allowing them to be employed for the curative and prophylactic effects against urolithiasis.
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