Contrarily, extractions with our novel protocol resulted in A260/A280 ratios ranging between 1.97 and 1.67. In a similar manner, A260/A230 absorbance ratios indicative of polyphenol and polysaccharide contamination were the highest (ranging between 2.13 and 0.86) following extraction with the proposed protocol, suggesting lower levels of contamination compared with the other assessed protocols. As expected, fruit tissues displayed lower purity levels due to high concentrations of polysaccharides and phenolic compounds and low concentrations of RNA molecules, resulting in low recovery or difficulty in quantifying the sample (Davis et al., 2006).