Hydrolyzed collagen is a substance produced by breaking down collagen derived from animal bone and/or connective tissues. The collagen is broken down by means of a process called hydrolysis, which involves the decomposition of compounds by reaction with water molecules.
Ethnic groups in Italy. The major ethnic group in Italy is the Italians, who account for 95% (above 60 millions) of the total population of Italy. The remaining 5% of the population consists of ethnicities like Albanians, Romanians, Ukrainians and other Europeans (2.5%); Africans (1.5%) and several other minorities (1%). Italians.
Italian Americans are the fourth largest European ethnic group in the United States (not including American ethnicity, an ethnonym used by many in the United States; overall, Italian Americans rank seventh, behind German American, Irish American, African American, English American, American, and Mexican American).