Absorption Kinetics of the Main Conjugated Linoleic Acid Isomers in Commercial-Rich Oil after Oral Administration in Rats
作者:Luís M. Rodríguez-Alcalá、Irma Ares、Javier Fontecha、María-Rosa Martínez-Larrañaga、Arturo Anadón、María-Aránzazu Martínez
DOI:10.1021/acs.jafc.7b02143
日期:2017.9.6
This study aimed to assess the oral absorption and plasma kinetics of two main isomers contained in commercial conjugated linoleic acid (CLA)-rich oil (Tonalin TG-80), rumenic acid (RA), and C18:2 trans-10, cis-12. The isomer plasma disposition after the single oral dose of 3000 mg of Tonalin TG-80/kg, containing 1200 mg/kg of each isomer, was studied in rats. The isomer plasma concentrations were
这项研究旨在评估富含商业共轭亚油酸(CLA)的油(Tonalin TG-80),反刍动物酸(RA)和C18:2反式-10,顺式- 12 在大鼠中研究了单次口服3000毫克Tonalin TG-80 / kg(包含1200 mg / kg的每种异构体)后的异构体血浆处置。通过具有火焰离子化检测的气相色谱法测定异构体血浆浓度。血浆动力学表现为RA和C18:2反式-10,顺式-12(t 1 / 2a 0.34±0.09和0.53±0.01 h)的口服快速吸收和缓慢消除(t 1 /2β25.68±3.29和18.12±1.71 h); 最高异构体血浆浓度(C max)分别为8.48±0.98和7.67±0.80μgmL –1,估计为2.08±0.14和2.26±0.11 h。我们从大鼠的临床前动力学研究中获得的结果有助于设计用于评估CLA异构体剂量反应的未来人类研究。