, water-soluble protein that coagulates (denaturates) and flocculates when heated. The substance is mainly found in eggs, milk and blood serum, but also in various plants. It is electrically positively charged and therefore attracts negatively charged substances. Albumin is used to make
wine more beautiful
. Preparations containing albumin are allergens
that must be declared if the amount of proteins
in the wine exceeds 0.25 mg/l.