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.
Currently, Italy's foreign residents are outpacing the country's population growth with a foreign population that grew 7.4% in 2012, compared to a population growth of just 0.5%. Italy is a rapidly aging country, and in 2014 a full 22% of its population was 65 or older, with just 13.5% under the age of 15.