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Partially hydrogenated soybean oil reduces postprandial t-PA activity compared with palm oil.
Atherosclerosis 2001; 155(2):467-76A

Abstract

The effects of dietary trans fatty acids on fasting and diurnal variation in hemostatic variables are not known. This study compares the effects of three diets with three different margarines, one based on palm oil (PALM-diet), one based on partially hydrogenated soybean oil (PHSO, TRANS-diet) and one with a high content of polyunsaturated fatty acids (PUFA-diet) on diurnal postprandial hemostatic variables. A strictly controlled dietary Latin square study was performed and nine young female participants consumed each of the diets for 17 days in a random order. The sum of the cholesterol-increasing fatty acids (C12:0, C14:0, C16:0) was 36.3% of total fatty acids in the PALM-diet, the same as the sum of saturated-(C12:0, C14:0, C16:0) (12.5%) and trans fatty acids (23.1%) in the TRANS-diet. The sum of C12:0, C14:0 and C16:0 was 20.7% in the PUFA-diet. The amount of fat made up 30-31% of energy in all diets. Nine participants completed the study. The diurnal postprandial state level of tissue plasminogen activator (t-PA) activity was significantly decreased on the TRANS-diet compared with the PALM-diet. t-PA activity was also decreased on the PUFA-diet compared with PALM-diet but the difference was below statistical significance (P=0.07, Bonferonni adjusted). There were no significant differences in either fasting levels or in circadian variation of t-PA antigen, PAI-1 activity, PAI-antigen, factor VII coagulant activity or fibrinogen between the three diets. Our results indicate that dietary trans fatty acids from PHSO has an unfavourable effect on postprandial t-PA activity and thus possibly on the fibrinolytic system compared with palm oil.

Authors+Show Affiliations

University College of Akershus, 1356, Bekkestua, Norway.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Comparative Study
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

11254919

Citation

Müller, H, et al. "Partially Hydrogenated Soybean Oil Reduces Postprandial t-PA Activity Compared With Palm Oil." Atherosclerosis, vol. 155, no. 2, 2001, pp. 467-76.
Müller H, Seljeflot I, Solvoll K, et al. Partially hydrogenated soybean oil reduces postprandial t-PA activity compared with palm oil. Atherosclerosis. 2001;155(2):467-76.
Müller, H., Seljeflot, I., Solvoll, K., & Pedersen, J. I. (2001). Partially hydrogenated soybean oil reduces postprandial t-PA activity compared with palm oil. Atherosclerosis, 155(2), pp. 467-76.
Müller H, et al. Partially Hydrogenated Soybean Oil Reduces Postprandial t-PA Activity Compared With Palm Oil. Atherosclerosis. 2001;155(2):467-76. PubMed PMID: 11254919.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Partially hydrogenated soybean oil reduces postprandial t-PA activity compared with palm oil. AU - Müller,H, AU - Seljeflot,I, AU - Solvoll,K, AU - Pedersen,J I, PY - 2001/3/20/pubmed PY - 2001/6/22/medline PY - 2001/3/20/entrez SP - 467 EP - 76 JF - Atherosclerosis JO - Atherosclerosis VL - 155 IS - 2 N2 - The effects of dietary trans fatty acids on fasting and diurnal variation in hemostatic variables are not known. This study compares the effects of three diets with three different margarines, one based on palm oil (PALM-diet), one based on partially hydrogenated soybean oil (PHSO, TRANS-diet) and one with a high content of polyunsaturated fatty acids (PUFA-diet) on diurnal postprandial hemostatic variables. A strictly controlled dietary Latin square study was performed and nine young female participants consumed each of the diets for 17 days in a random order. The sum of the cholesterol-increasing fatty acids (C12:0, C14:0, C16:0) was 36.3% of total fatty acids in the PALM-diet, the same as the sum of saturated-(C12:0, C14:0, C16:0) (12.5%) and trans fatty acids (23.1%) in the TRANS-diet. The sum of C12:0, C14:0 and C16:0 was 20.7% in the PUFA-diet. The amount of fat made up 30-31% of energy in all diets. Nine participants completed the study. The diurnal postprandial state level of tissue plasminogen activator (t-PA) activity was significantly decreased on the TRANS-diet compared with the PALM-diet. t-PA activity was also decreased on the PUFA-diet compared with PALM-diet but the difference was below statistical significance (P=0.07, Bonferonni adjusted). There were no significant differences in either fasting levels or in circadian variation of t-PA antigen, PAI-1 activity, PAI-antigen, factor VII coagulant activity or fibrinogen between the three diets. Our results indicate that dietary trans fatty acids from PHSO has an unfavourable effect on postprandial t-PA activity and thus possibly on the fibrinolytic system compared with palm oil. SN - 0021-9150 UR - https://www.unboundmedicine.com/medline/citation/11254919/Partially_hydrogenated_soybean_oil_reduces_postprandial_t_PA_activity_compared_with_palm_oil_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0021-9150(00)00591-8 DB - PRIME DP - Unbound Medicine ER -