2.3. Analysis of the phenolic compounds in fruits2.3.1. Sample preparation and extractionThe inflorescence or fruit was freeze dried and ground intoa powder <40 mesh for analysis. A ground sample of 0.5 g wasextracted using 20 mL of deionized water kept in a water bath at80 ◦ C for 20 min. The volume was then brought to 50 mL, and thesample was kept at −20 ◦ C until analysis.
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