Ninety two PR water soluble extracts from 46 samples as provided by six producers at different maturation ages.

One or two samples were provided, and one or two water soluble extracts were prepared.Footnote: Each water soluble extract has been identified using an uppercase letter for the producer, a number indicating the maturation age in months, a second number indicating the first or second sample when available, and a lowercase letter indicating the performed extractions. Protein yield in mg/ml are given for each extract. Extracts marked in bold have been used for the simulated gastrointestinal digestion experiments.