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CAS:497-76-7
Purity:HPLC≥98%
Appearance:White to off-white powder
Storage:Store at 2-8℃，2 years.
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HPLC
HPLC analysis was performed using HPLC equipped with a C18 250 mm × 4.6 mm, 5 μm column . The analysis was maintained at a column temperature of 30℃with an injection volume of 10 μL at a flow rate of 1.0 mL/min. The mobile phase A was methanol and mobile phase B was ultrapure water containing 0.1% (m/v) formic acid. The gradient elution was performed as follows: 0–5 min, B 95–90%, 5–30 min, B 90–80%, 30–45 min, B 80–76%, 45–60 min, B 76–61%, 60–70 min, B 61–57%, 70–80 min, B 57–53%, 80–85 min, B 53–95%, 85–5 min, B 95%. The separated phenolic components were monitored at a wavelength of 280 nm.
References：
Zhang X, Li Y, Li Y, Zhao J, Cheng Y, Wang Y, Guan J. Changes of Bioactive Components and Antioxidant Capacity of Pear Ferment in Simulated Gastrointestinal Digestion In Vitro. Foods. 2023 Mar 13;12(6):1211. doi: 10.3390/foods12061211. PMID: 36981138; PMCID: PMC10048753.
