KINETIC CHARACTERISTICS OF BETA-CAROTENE UPTAKE AFTER AN INJECTION OF BETA-CAROTENE IN PIGS

被引:15
作者
CHEW, BP
WONG, TS
MICHAL, JJ
STANDAERT, FE
HEIRMAN, LR
机构
[1] Dept. of Anim. Sci. Washington State University, Pullman
关键词
BETA-CAROTENE; LEUKOCYTES; LIPOPROTEINS; PIGS;
D O I
10.2527/1991.69124883x
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Two experiments were conducted to study the uptake of beta-carotene in plasma, lipoproteins, and blood cells in pigs (50 to 55 kg; n = 40) after an i.m. injection of 0, 10, 20, or 40 mg of beta-carotene. Blood was sampled at 0, 3, 6, 12, 24, and 48 h postinjection. beta-Carotene was not detectable in plasma, lipoproteins, or blood cells of control pigs. However, concentrations of beta-carotene in plasma and lipoproteins increased in a dose-related manner in injected animals. Distribution of beta-carotene in the lipoproteins changed with time postinjection. The beta-carotene associated with very low density lipoproteins increased and that in low density lipoproteins decreased with time in treated pigs. Concentrations of beta-carotene in lymphocytes of treated pigs also increased within 3 h postinjection. The profile of beta-carotene in lymphocytes was different from that observed in plasma and lipoproteins. Carotene was not detectable in neutrophils and erythrocytes. Treatment did not alter concentrations of retinol or alpha-tocopherol in plasma, lipoproteins, or blood cells. Therefore, lymphocytes specifically take up beta-carotene, thereby suggesting a possible role of beta-carotene in this immune cell.
引用
收藏
页码:4883 / 4891
页数:9
相关论文
共 31 条
[1]   ORAL BETA-CAROTENE CAN INCREASE THE NUMBER OF OKT4+ CELLS IN HUMAN-BLOOD [J].
ALEXANDER, M ;
NEWMARK, H ;
MILLER, RG .
IMMUNOLOGY LETTERS, 1985, 9 (04) :221-224
[2]   EFFECT OF PARTICLE-SIZE AND LIPID-COMPOSITION OF BOVINE BLOOD HIGH-DENSITY LIPOPROTEIN ON ITS FUNCTION AS A CARRIER OF BETA-CAROTENE [J].
ASHES, JR ;
BURLEY, RW ;
SIDHU, GS ;
SLEIGH, RW .
BIOCHIMICA ET BIOPHYSICA ACTA, 1984, 797 (02) :171-177
[3]   EFFECT OF BETA-CAROTENE AND CANTHAXANTHIN ON THE IMMUNE-RESPONSES OF THE RAT [J].
BENDICH, A ;
SHAPIRO, SS .
JOURNAL OF NUTRITION, 1986, 116 (11) :2254-2262
[4]  
BJORNSON LK, 1976, J LIPID RES, V17, P343
[5]   EFFECTS OF VITAMIN-A AND BETA-CAROTENE ON REPRODUCTIVE-PERFORMANCE IN GILTS [J].
BRIEF, S ;
CHEW, BP .
JOURNAL OF ANIMAL SCIENCE, 1985, 60 (04) :998-1004
[6]   IS VITAMIN-E THE ONLY LIPID-SOLUBLE, CHAIN-BREAKING ANTIOXIDANT IN HUMAN-BLOOD PLASMA AND ERYTHROCYTE-MEMBRANES [J].
BURTON, GW ;
JOYCE, A ;
INGOLD, KU .
ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS, 1983, 221 (01) :281-290
[7]   BETA-CAROTENE - AN UNUSUAL TYPE OF LIPID ANTIOXIDANT [J].
BURTON, GW ;
INGOLD, KU .
SCIENCE, 1984, 224 (4649) :569-573
[8]   VITAMIN-A AND BETA-CAROTENE ON HOST DEFENSE [J].
CHEW, BP .
JOURNAL OF DAIRY SCIENCE, 1987, 70 (12) :2732-2743
[9]  
GRUMMER RR, 1988, J ANIM SCI, V66, P3160
[10]  
HATAM LJ, 1979, J LIPID RES, V20, P639