Furthermore, the HMF ranged between 5.36–15.00 (mg/kg) in Barilla and Oregano honeys, respectively. In the study conducted by Bouhlali et al., 2019 [50], the water content of the monofloral honey present in Morroco was found to be from 14.55 to 20.99%, the water activity level ...
The samples were dried at 40 °C for 24 h in an oven, and 0.5 g of the dried flour was digested with 10 mL of concentrated nitric acid in a microwave (MARS 5, CEM Corporation, Mathews, NC, USA). The digested samples were diluted with pure Milli Q water to 100 mL before analysis...