 ConAgra also focused in 2015 on growth in private-label products that retailers sell under their own brand.Bertolli's market share in pasta sauce in 2015 was 7.2% behind Ragu and Prego.Some controversy emerged in 2010 when Bertolli Extra Virgin Olive Oil was identified as one of the olive oils mislabeled as extra virgin in a study by University of California, Davis.