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Modification of Olive Leaves’ Surface by Ultrasound Cavitation. Correlation with Polyphenol Extraction Enhancement

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Academic year: 2021

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Figure

Figure 1. Abstract figure ((A), picture of the experimental setup, and sample holder, (B), experi- experi-mental methodology)
Table 1. Comparison of extraction performances (yield and polyphenol composition of extracts) for stirring and ultrasound.
Figure 2. Comparison of leaf surface by Environmental Scanning Electron Microscopy (ESEM) for an untreated leaf, a control leaf (60 min stirring), and ultrasound treated leaves (5 min, 15 min, and 60 min)
Figure 3. Comparison of olive leaf cross sections tainted in toluidine blue by optical microscopy for untreated leaf, control leaf (60 min stirring), and ultrasound-treated leaves (5 min, 15 min, and 60 min)
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