title: Plant stanol content remains stable during storage of cholesterol-lowering functional foods.
abstract: Plant stanols reduce the absorption of both dietary and biliary cholesterol. The aim of this study was to examine the stability of plant stanols in the form of plant stanol esters in spreads and biscuits stored under typical storage conditions. The plant stanol content of two commercial margarine-type spreads, containing 35% and 60% absorbable fat, was 6.5 and 6.4 g/100 g after production and remained unaltered when stored at 6 °C for a shelf life of 18 and 22 weeks, respectively. Comparable results were obtained for plant stanol ester ingredient stored under the same conditions and for plant stanol ester-containing biscuits stored at room temperature for up to 74 weeks. Furthermore, the peroxide value and free fatty acids showed that the quality of the food products remained good. The present study demonstrated that plant stanol esters as an ingredient and when added in food products, are stable whilst stored under the appropriate conditions.
authors.affiliation: Raisio Nutrition Ltd., P.O. Box 101, 21201 Raisio, Finland. Electronic address: ville.nieminen@raisio.com.
authors.forename: V
authors.initials: V
authors.lastname: Nieminen
authors.affiliation: Eurofins Scientific Finland Oy, P.O. Box 75, 21201 Raisio, Finland.
authors.forename: P
authors.initials: P
authors.lastname: Laakso
authors.affiliation: Raisio Nutrition Ltd., P.O. Box 101, 21201 Raisio, Finland.
authors.forename: P
authors.initials: P
authors.lastname: Kuusisto
authors.affiliation: Raisio Nutrition Ltd., P.O. Box 101, 21201 Raisio, Finland.
authors.forename: J
authors.initials: J
authors.lastname: Niemelä
authors.affiliation: Raisio Nutrition Ltd., P.O. Box 101, 21201 Raisio, Finland; Current address: Institute of Biomedicine, University of Turku, 20014 University of Turku, Finland. Electronic address: kirsi.laitinen@utu.fi.
authors.forename: K
authors.initials: K
authors.lastname: Laitinen
mesh_terms: D002784:Cholesterol / Q000737:chemistry*; D055951:Functional Food / Q000032:analysis*; D008958:Models, Molecular; D010840:Phytosterols / Q000737:chemistry*; D010944:Plants / Q000737:chemistry*; D012855:Sitosterols / Q000737:chemistry*
chemical_list: D010840:Phytosterols; D012855:Sitosterols; C407042:plant stanol ester; D002784:Cholesterol
keywords: Phytosterols; Plant stanols; Stability; Storage