Additional new foods and recipes were added as required, with food composition data taken from an Indian food composition reference [ 34].
Questionnaires were analyzed at the Harvard School of Public Health and lutein intake was calculated from the Harvard University food composition database derived from the USDA Survey Nutrient database plus other sources.
To determine the actual percentages and the existing variations in product composition on the international market, a food composition test database was created.
Dietary data were calculated and analysed using FoodWorks (Version 6; Xyris Pty Ltd ,Kenmore Hills, QLD, Australia, 2009) nutrient analysis software using the AUSNUT 2007 food composition survey database.
Nutrient intake levels were calculated using the McCance and Widdowson Food Composition Database, local food composition tables, US Department of Agriculture nutrient database (one item) and manufacturer data (one item).
For foods not included in the database, the Italian food composition database was updated using, whenever possible, the food labels of commercial products or making an estimate from composite foods using reported (e.g. cream peas with cereal flour) or standard recipes [ 30].
Since an up-to-date Ecuadorian food composition database does not exist, a compiled food composition database was developed using a pre-determined procedure.
If data could not be obtained, the Central American (INCAP/OPS, 2012) and Peruvian (CENAN/INS, 2008) databases were searched to compose the final food composition database.
A flavonoid and lignan food composition database was developed from the Phenol-Explorer, the U.K. Food Standards Agency, and the U.S. Department of Agriculture databases.
DaRiS, a new food composition database management system (FCDBMS), has been developed for documentation of food composition data in Slovakia.
