Determination of Pterostilbene in Pharmaceutical Products Using a New HPLC Method and Its Application to Solubility and Stability Samples
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Published:2023-03-07
Issue:3
Volume:10
Page:178
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ISSN:2297-8739
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Container-title:Separations
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language:en
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Short-container-title:Separations
Author:
Haq Nazrul1ORCID, Shakeel Faiyaz1ORCID, Ghoneim Mohammed M.2ORCID, Asdaq Syed Mohammed Basheeruddin2ORCID, Alam Prawez3ORCID, Aloatibi Fahad Obaid4, Alshehri Sultan1ORCID
Affiliation:
1. Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia 2. Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah 13713, Saudi Arabia 3. Department of Pharmacognosy, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia 4. Forensic Medical Services Center in Riyadh, Ministry of Health, Riyadh 12746, Saudi Arabia
Abstract
The quantification of a natural bioactive compound, pterostilbene (PTT), in commercial capsule dosage form, solubility, and stability samples was carried out using a rapid and sensitive high-performance liquid chromatography (HPLC) approach. PTT was quantified on a Nucleodur (150 mm × 4.6 mm) RP C18 column with a particle size of 5 µm. Acetonitrile and water (90:10 v/v) made up the mobile phase, which was pumped at a flow speed of 1.0 mL/min. At a wavelength of 254 nm, PTT was detected. The developed HPLC approach was linear in 1–75 µg/g range, with a determination coefficient of 0.9995. The developed HPLC approach for PTT estimation was also rapid (Rt = 2.54 min), accurate (%recoveries = 98.10–101.93), precise (%CV = 0.59–1.25), and sensitive (LOD = 2.65 ng/g and LOQ = 7.95 ng/g). The applicability of developed HPLC approach was revealed by determining PTT in commercial capsule dosage form, solubility, and stability samples. The % assay of PTT in marketed capsules was determined to be 99.31%. The solubility of PTT in five different green solvents, including water, propylene glycol, ethanol, polyethylene glycol-400, and Carbitol was found to be 0.0180 mg/g, 1127 mg/g, 710.0 mg/g, 340.0 mg/g, and 571.0 mg/g, respectively. In addition, the precision and accuracy of stability samples were within the acceptable limit, hence PTT was found to be stable in solution. These results suggested that PTT in commercial products, solubility, and stability samples may be routinely determined using the established HPLC method.
Funder
the Researchers Supporting Project Prince Sattam bin Abdulaziz University
Subject
Filtration and Separation,Analytical Chemistry
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