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Effect of palm oil on plasma lipoprotein concentrations and plasma low-density lipoprotein composition in non-human primates. 2000

P J van Jaarsveld, and C M Smuts, and H Y Tichelaar, and M Kruger, and A J Benadé
National Research Programme for Nutritional Intervention, Medical Research Council, PO Box 19070, Tygerberg 7505, South Africa.

Palm oil (PO) contains approximately 43% of palmitic acid. It is the most abundant saturated fatty acid in the diet and it is generally considered the primary cholesterol (C)-raising fatty acid. However, the effect of palmitic acid on plasma cholesterol appears to depend on the cholesterol content of the diet. The aim of this study was to determine the effect of PO with either a high-fat, high-C or moderate-fat, moderate-C diet on lipoprotein C and low-density lipoprotein (LDL) composition. Fifty adult, male vervet monkeys were randomly assigned to the high-fat diet group (HFD: 35%E fat, approximately 0.106 mg C/kJ; n = 30) and the moderate-fat diet group (MFD: 30%E fat, approximately 0.027 mg C/kJ; n = 30). Baseline LDL-C, high-density lipoprotein (HDL)-C and body weight were used to stratify the vervets into comparable experimental groups within each dietary group. The HFD group was divided into two groups of 10 each: one group continued with the HFD in which 8.1%E was derived from lard (AF); in the other group, AF was substituted isocalorically with PO. The MFD group was divided into three groups of 10 each: one group continued with the MFD in which 11.8%E was derived from AF; in the other two groups, the AF was substituted isocalorically with either sunflower oil (SO) or PO. This article presents preliminary results on plasma lipoproteins and LDL composition after 6 months of dietary intervention. Plasma total and LDL-C was higher in all the groups, but the mean changes elicited by PO with either the HFD or MFD were no different from that observed with AF and SO. There was no difference in the mean change of LDL molecular weight within the HFD and MFD. It is concluded that PO is no different from AF (HFD and MFD) or SO (MFD) in its cholesterolaemic effect.

UI MeSH Term Description Entries
D008076 Cholesterol, HDL Cholesterol which is contained in or bound to high-density lipoproteins (HDL), including CHOLESTEROL ESTERS and free cholesterol. High Density Lipoprotein Cholesterol,Cholesterol, HDL2,Cholesterol, HDL3,HDL Cholesterol,HDL(2) Cholesterol,HDL(3) Cholesterol,HDL2 Cholesterol,HDL3 Cholesterol,alpha-Lipoprotein Cholesterol,Cholesterol, alpha-Lipoprotein,alpha Lipoprotein Cholesterol
D008077 Lipoproteins, LDL A class of lipoproteins of small size (18-25 nm) and light (1.019-1.063 g/ml) particles with a core composed mainly of CHOLESTEROL ESTERS and smaller amounts of TRIGLYCERIDES. The surface monolayer consists mostly of PHOSPHOLIPIDS, a single copy of APOLIPOPROTEIN B-100, and free cholesterol molecules. The main LDL function is to transport cholesterol and cholesterol esters to extrahepatic tissues. Low-Density Lipoprotein,Low-Density Lipoproteins,beta-Lipoprotein,beta-Lipoproteins,LDL(1),LDL(2),LDL-1,LDL-2,LDL1,LDL2,Low-Density Lipoprotein 1,Low-Density Lipoprotein 2,LDL Lipoproteins,Lipoprotein, Low-Density,Lipoproteins, Low-Density,Low Density Lipoprotein,Low Density Lipoprotein 1,Low Density Lipoprotein 2,Low Density Lipoproteins,beta Lipoprotein,beta Lipoproteins
D008297 Male Males
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D002522 Chlorocebus aethiops A species of CERCOPITHECUS containing three subspecies: C. tantalus, C. pygerythrus, and C. sabeus. They are found in the forests and savannah of Africa. The African green monkey is the natural host of SIMIAN IMMUNODEFICIENCY VIRUS and is used in AIDS research. African Green Monkey,Cercopithecus aethiops,Cercopithecus griseoviridis,Cercopithecus griseus,Cercopithecus pygerythrus,Cercopithecus sabeus,Cercopithecus tantalus,Chlorocebus cynosuros,Chlorocebus cynosurus,Chlorocebus pygerythrus,Green Monkey,Grivet Monkey,Lasiopyga weidholzi,Malbrouck,Malbrouck Monkey,Monkey, African Green,Monkey, Green,Monkey, Grivet,Monkey, Vervet,Savanah Monkey,Vervet Monkey,Savannah Monkey,African Green Monkey,Chlorocebus cynosuro,Green Monkey, African,Green Monkeys,Grivet Monkeys,Malbrouck Monkeys,Malbroucks,Monkey, Malbrouck,Monkey, Savanah,Monkey, Savannah,Savannah Monkeys,Vervet Monkeys
D004041 Dietary Fats Fats present in food, especially in animal products such as meat, meat products, butter, ghee. They are present in lower amounts in nuts, seeds, and avocados. Fats, Dietary,Dietary Fat,Fat, Dietary
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000824 Animal Nutritional Physiological Phenomena Nutritional physiology of animals. Animal Nutrition Physiology,Animal Nutritional Physiology Phenomena,Animal Nutritional Physiological Phenomenon,Animal Nutritional Physiology,Animal Nutritional Physiology Phenomenon,Veterinary Nutritional Physiology,Nutrition Physiologies, Animal,Nutrition Physiology, Animal,Nutritional Physiology, Animal,Nutritional Physiology, Veterinary,Physiology, Animal Nutrition,Physiology, Animal Nutritional,Physiology, Veterinary Nutritional
D019308 Palmitic Acid A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids. Hexadecanoic Acid,Calcium Palmitate,Sodium Palmitate,Acid, Hexadecanoic,Acid, Palmitic,Palmitate, Calcium,Palmitate, Sodium

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