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Correlation of alginate G-residue frequency (F[G]) and level of pepsin inhibition with 5 mg/ml alginate. Pepsin activity is shown as a percentage of control pepsin activity. The error bars show the standard deviation of six replicates (n = 6). The line of best fit indicates a negative correlation which is significant with a Spearman r value of −0.7789 and a p value of 0.0001.
