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.
Immigration to Italy occurs from a variety of countries. As of 1 January 2015, there were 5,014,437 foreign nationals resident in Italy.This amounted to 8.2% of the country's population and represented an increase of 92,352 over the previous year.hese figures include 75,067 children born in Italy to foreign nationals (14.9% of total births in Italy), but exclude foreign nationals who have subsequently acquired Italian nationality; this applied to 129,887 people in 2014. They also exclude illegal immigrants whose numbers are difficult to determine.