title: In vitro assessment of the bioaccessibility of fatty acids and tocopherol from soybean oil body emulsions stabilized with ι-carrageenan.
abstract: The present investigation aimed to expand the knowledge of the in vitro bioaccessibility of fatty acids and tocopherol from natural soybean oil body emulsions stabilized with different concentrations of ι-carrageenan. Several physicochemical parameters including proteolysis of the interfacial layer, interfacial composition, and microstructure were evaluated with regard to their impact on the bioaccessibility of fatty acids and tocopherol. Results from simulated human digestion in vitro indicated that the bioaccessibility of total fatty acids and tocopherol decreased (62.7-8.3 and 59.7-19.4%, respectively) with the increasing concentration of ι-carrageenan. During the in vitro digestion procedure, ι-carrageenan affected physicochemical properties of the emulsions, thereby controlling the release of fatty acids and tocopherol. These results suggested that soybean oil body emulsions stabilized with ι-carrageenan could provide natural emulsions in foods that were digested at a relatively slow rate, the important physiological consequence of which might be increasing satiety.
authors.affiliation: Research and Development Center of Food Proteins, Department of Food Science and Technology, South China University of Technology (SCUT), Guangzhou 510640, People's Republic of China.
authors.forename: Na-Na
authors.initials: NN
authors.lastname: Wu
authors.forename: Xu
authors.initials: X
authors.lastname: Huang
authors.forename: Xiao-Quan
authors.initials: XQ
authors.lastname: Yang
authors.forename: Jian
authors.initials: J
authors.lastname: Guo
authors.forename: Shou-Wei
authors.initials: SW
authors.lastname: Yin
authors.forename: Xiu-Ting
authors.initials: XT
authors.lastname: He
authors.forename: Li-Juan
authors.initials: LJ
authors.lastname: Wang
authors.forename: Jian-Hua
authors.initials: JH
authors.lastname: Zhu
authors.forename: Jun-Ru
authors.initials: JR
authors.lastname: Qi
authors.forename: Er-Li
authors.initials: EL
authors.lastname: Zheng
mesh_terms: D001682:Biological Availability; D002351:Carrageenan / Q000008:administration & dosage; D055598:Chemical Phenomena; D004063:Digestion; D004355:Drug Stability; D004655:Emulsions / Q000737:chemistry*; D005227:Fatty Acids / Q000493:pharmacokinetics*; D006801:Humans; D066298:In Vitro Techniques; D008049:Lipase / Q000378:metabolism; D010434:Pepsin A / Q000378:metabolism; D013024:Soybean Oil / Q000737:chemistry*; D024505:Tocopherols / Q000493:pharmacokinetics*
chemical_list: D004655:Emulsions; D005227:Fatty Acids; D013024:Soybean Oil; D002351:Carrageenan; D008049:Lipase; D010434:Pepsin A; D024505:Tocopherols