Folate content of Korean vegetable dishes prepared outside the home: Comparison between analyzed and calculated values

•Folate content in 56 Korean vegetable dishes prepared outside the home measured.•The folate values calculated using CAN-Pro recipes were higher than analyzed values.•Bland-Altman plots showed poor agreement between calculated and analyzed values.•Folate intake from cooked vegetable dishes could be overestimated by calculation.•A folate database with weight changes and folate retention after cooking is needed.