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The aim of the present study was to identify any possible protective effects of wild greens on certain biochemical cardiovascular disease (CVD) risk factors in elderly women leaving in rural Crete. For the needs of the study a region with high consumption of wild greens (Avdou) and a region with low consumption (Anogia) were identified and a representative population from each area was recruited (n= 37 and n=35 respectively). Serum lipids and fibrinogen levels, total antioxidant capacity (TAC), soluble intercellular adhesion molucule-1 (sVCAM-1), soluble vascular adhesion molucule-1 (s-ICAM-1) and haematological factors were measured in both regions during winter and summer time when wild-green plants consumption is high and low, respectively. Regarding classic lipid risk factors for arteriosclerosis no significant different between the two regions were detected. TAC was found higher in Avdou compared to Anogia during winter screening, but null in both regions during summer. Fibrinogen was found higher in Avdou compared to Anogia while no differences between the two regions were detected for sVCAM-1 and s-ICAM-1 in both screenings. The significantly higher TAC and fibrinogen values detected in Avdou could be attributed to the higher wild green consumption in that region since resent data indicated that their content in vitamin C and E as well as flavonoids is particularly high.
The results of several studies indicate that consumption of trans fatty acids increases plasma LDL-cholesterol and plasma lipoprotein (a) levels, two independent biochemical risk factors for the development of coronary heart disease. With regard to the harmful effect of trans fatty acids on human health and the lack of randomized studies in Poland on their content in food, the monitoring study was started. The fatty acid composition of 107 randomly selected products from 7 food groups in the whole country was analyzed by high-resolution capillary gas chromatography. The highest content of trans fatty acids was detected in the group of dry soups and sauces (18.86%) followed by confectionery (10.14%) and chocolate products (7.86%), than snacks and potato chips, fast foods and hard and soft margarines in decreasing order.
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