title: Total choline and choline-containing moieties of commercially available pulses.
abstract: Estimating dietary choline intake can be challenging due to missing foods in the current United States Department of Agriculture (USDA) database. The objectives of the study were to quantify the choline-containing moieties and the total choline content of a variety of pulses available in North America and use the expanded compositional database to determine the potential contribution of pulses to dietary choline intake. Commonly consumed pulses (n = 32) were analyzed by hydrophilic interaction liquid chromatography-tandem mass spectrometry (HILIC LC-MS/MS) and compared to the current USDA database. Cooking was found to reduce the relative percent from free choline and increased the contribution of phosphatidylcholine to total choline for most pulses (P < 0.05). Using the expanded database to estimate choline content of recipes using pulses as meat alternatives, resulted in a different estimation of choline content per serving (±30%), compared to the USDA database. These results suggest that when pulses are a large part of a meal or diet, the use of accurate food composition data should be used.
authors.affiliation: Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada.
authors.forename: Erin D
authors.initials: ED
authors.lastname: Lewis
authors.forename: Sarah J
authors.initials: SJ
authors.lastname: Kosik
authors.forename: Yuan-Yuan
authors.initials: YY
authors.lastname: Zhao
authors.forename: René L
authors.initials: RL
authors.lastname: Jacobs
authors.forename: Jonathan M
authors.initials: JM
authors.lastname: Curtis
authors.forename: Catherine J
authors.initials: CJ
authors.lastname: Field
mesh_terms: D000416:Alberta; D002794:Choline / Q000008:administration & dosage* / Q000032:analysis; D029863:Cicer / Q000737:chemistry; D003296:Cooking; D004032:Diet; D007887:Fabaceae / Q000737:chemistry*; D005504:Food Analysis; D010743:Phospholipids / Q000032:analysis; D013025:Glycine max / Q000737:chemistry; D053719:Tandem Mass Spectrometry; D014481:United States
chemical_list: D010743:Phospholipids; D002794:Choline