scholarly journals Consumption of tall oil-derived phytosterols in a chocolate matrix significantly decreases plasma total and low-density lipoprotein-cholesterol levels

2002 ◽  
Vol 88 (5) ◽  
pp. 479-488 ◽  
Author(s):  
Jacqueline de Graaf ◽  
Pernette R. W. de Sauvage Nolting ◽  
Marjel van Dam ◽  
Elizabeth M. Belsey ◽  
John J. P. Kastelein ◽  
...  

In a randomized, double-blind, placebo-controlled trial we evaluated the effect of dietary chocolates enriched with a wood-based phytosterol–phytostanol mixture, containing 18% (w/w) sitostanol, compared with placebo dietary chocolates in seventy subjects with primary hypercholesterolaemia (total cholesterol levels below 8 mmol/l). For 4 weeks, participants consumed three servings of the phytosterol-enriched chocolate/d that provided 1·8 g unesterified phytosterols/d or a placebo chocolate in conjunction with a low-fat, low-cholesterol diet. Plasma total and LDL-cholesterol levels were statistically significantly reduced by 6·4% (−0·44 mmol/l) and 10·3% (−0·49 mmol/l), respectively, after 4 weeks of phytosterol-enriched-chocolate treatment. Plasma HDL-cholesterol and triacylglycerol levels were not affected. Consumption of phytosterol-enriched chocolates significantly increased plasma lathosterol concentration (+20·7%), reflecting an increased endogenous cholesterol synthesis in response to phytosterol-induced decreased intestinal cholesterol absorption. Furthermore, the chocolates enriched with phytosterols significantly increased both plasma sitosterol (+95·8%) and campesterol (+64·1%) levels, compared with the placebo chocolate group. However, the absolute values of plasma sitosterol and campesterol remained within the normal range, that is, below 10 mg/l. The chocolates with phytosterols were palatable and induced no clinical or biochemical side effects. These findings indicate that dietary chocolate enriched with tall oil-derived phytosterols (1·8 g/d) is effective in lowering blood total and LDL-cholesterol levels in subjects with mild hypercholesterolaemia and thus may be helpful in reducing the risk of CHD in these individuals.

Author(s):  
Heinz Drexel

Lipid metabolism has gained cardiological interest only after statins were demonstrated to reduce cardiovascular disease in secondary and primary prevention. Therefore, this chapter first introduces the physiological and atherogenic properties of lipoproteins, before focusing on interventions. Both the efficacy and safety of statins have been proven in numerous randomized clinical trials. Because there is a considerable residual risk in statin-treated patients, additional approaches have been investigated. The focus is now on further reductions in low-density lipoprotein (LDL) cholesterol levels. First, high-intensity statin regimens were shown to reduce residual risk. Subsequently, ezetimibe was demonstrated, for the first time, to have a beneficial effect as a non-statin lipid intervention. More recently, inhibitors of the enzyme PCSK9 have demonstrated a very high efficacy in reducing LDL cholesterol levels. Although the causality of LDL for atherosclerotic cardiovascular disease has been proven in epidemiological studies, including Mendelian randomization studies, as well as interventional trials, adherence to statins and other therapies is far from optimal. In contrast, interventions to increase high-density lipoprotein (HDL) cholesterol levels could not proven to have further benefits when combined with statins.


Author(s):  
Elly Herwana ◽  
Pusparini Pusparini ◽  
Audria Graciela

Background<br />Menopause is associated with changes in metabolic profile. Although hormone replacement therapy (HRT) has been shown to have beneficial effects on lipid metabolism, its adverse effects have indicated a need for alternative estrogen-based treatments. Several investigations have evaluated the effects of isoflavones on serum lipid levels in postmenopausal women, but the results were ambiguous. The objective of this study was to determine the relationship of dietary daidzein, genistein, and glycitein levels with lipid profile in postmenopausal women.<br /><br />Methods<br />A cross-sectional study was conducted involving 186 post-menopausal women. A food recall questionnaire was used to measure dietary genistein, daidzein, and glycitein levels. Serum total cholesterol (TC), low density lipoprotein (LDL) cholesterol, high density lipoprotein (HDL) cholesterol, and triacylglycerol (TAG) were measured using the enzymatic colorimetric method. Simple and multivariate linear regression were used to analyze the data.<br /><br />Results<br />Genistein intake was significantly associated with TC (b=145.48, p=0.023) and HDL cholesterol levels (b=48.80, p=0.032). Daidzein intake was significantly associated with TC (b=-204.60, p=0.003), LDL cholesterol (b=-160.81, p=0.014) and HDL cholesterol levels (b=-67.118, p=0.032). Glycitein was not significantly associated with TC (b=232.78;p=0.133), HDL (b=43.59;p=0.428), and LDL (b=235.84;p=0.116). Dietary daidzein had a more lowering effect on TC (Beta=-2.80) and HDL cholesterol (Beta=-2.67) than had genistein on TC (Beta=2.66) and HDL cholesterol (Beta=2.03).<br /><br />Conclusions<br />High dietary daidzein level has a significant lowering effect on TC, LDL cholesterol and HDL cholesterol in post-menopausal women. Our study supports the advice given to the public to increase soy isoflavone intake in post-menopausal women.


Author(s):  
Nela Maksimovic ◽  
Vanja Vidovic ◽  
Tatjana Damnjanovic ◽  
Biljana Jekic ◽  
Nada Majkic Singh ◽  
...  

IntroductionPositive regulatory domain containing 16 (PRDM16) protein represents the key regulator of brown adipose tissue (BAT) development. It induces brown fat phenotype and represses white adipose tissue specific genes through the association with C-terminal binding co-repressor proteins (CtBP1 and CtBP2). In healthy adults presence of BAT has been associated with lower glucose, total cholesterol and LDL (low-density lipoprotein) cholesterol levels. Our aim was to analyze the association of PRDM16 gene (rs12409277) and CtBP2 gene (rs1561589) polymorphisms with body mass index (BMI), fasting glucose level and lipid profile of adolescents.Material and methodsOur study included 295 healthy school children, 145 boys (49.2%) and 150 girls (50.8%), 15 years of age. Genotypes for the selected polymorphisms were detected by the real-time PCR method. Age, gender, height, weight, lipid profile (total cholesterol, HDL cholesterol, LDL cholesterol, triglycerides) and fasting glucose levels were recorded.ResultsWe did not find a statistically significant association of rs12409277 and rs1561589 polymorphisms with BMI, fasting glucose and lipid profile of adolescents. We further analyzed the combined effect of the two SNPs and the statistical analysis showed that carriers of CT genotype of rs12409277 polymorphism and GG genotype of rs1561589 polymorphism had significantly lower total cholesterol (p = 0.001) and LDL cholesterol (p = 0.008) levels compared to all other groups of genotypes.ConclusionsOur study suggests that rs12409277 and rs1561589 polymorphism might have an influence on total and LDL cholesterol levels in adolescents. Larger studies should be performed in order to confirm our results.


2021 ◽  
pp. 1966-1970
Author(s):  
Widiyanto Widiyanto ◽  
Mulyono Mulyono ◽  
Sutrisno Sutrisno ◽  
Eko Pangestu ◽  
Marry Christiyanto ◽  
...  

Background and Aim: Healthy goat meat is an essential aspect in increasing consumer acceptance for this livestock product. The research aimed to examine the effect of goat meat containing low cholesterol and rich omega-6 fatty acid on the performance and blood lipid status of white rats (Rattus norvegicus). Materials and Methods: Thirty 2-month-old male white rats (R. norvegicus) weighing 195-230 g were randomly divided into three groups, with each group consisting of 10 rats. Group I was treated with a control feed (T0; BR I concentrate). Group II (T1) was treated with a mixed feed containing 50% control feed and 50% goat meat. Group III (T2) was treated with a mixed feed comprising 50% control feed and 50% goat meat with low cholesterol and rich omega-6 fatty acids. Each treatment was given ad libitum for 30 days. The variables measured were dry matter and organic matter consumption, daily body weight gain, feed conversion, triglyceride levels, total cholesterol, high-density lipoprotein (HDL) and low-density lipoprotein (LDL) cholesterol, and atherogenic index (AI). The data were analyzed statistically using analysis of variance in a completely randomized design. Results: The total, HDL, and LDL cholesterol levels at T0, T1, and T2 were as follows: 99.97, 35.97, and 50.43 mg/dL (total cholesterol); 108.35, 33.92, and 58.17 mg/dL (HDL cholesterol); and 101.43, 38.09, and 48.65 mg/dL (LDL cholesterol). The highest HDL and the lowest LDL cholesterol levels (p<0.05) were observed in the T2 treatment group, which had the lowest AI (1.69 vs. 1.77 and 2.19). Conclusion: The consumption of goat with low cholesterol and rich omega-6 fatty acids reduces the total cholesterol and LDL cholesterol, raises the HDL cholesterol levels, and decreases the AI.


1983 ◽  
Vol 21 (19) ◽  
pp. 75-76

Bezafibrate (Bezalip - MCP), an analogue of clofibrate (Atromid-S), has been marketed in the UK for two years. Like clofibrate 1 it lowers both triglyceride and total cholesterol levels in plasma. The reduction is usually in low-density lipoprotein (LDL) cholesterol, whilst high-density lipoprotein (HDL) cholesterol rises. Like other lipid-lowering drugs, it should be used only where appropriate dietary measures have failed and where the hyperlipidaemia poses a significant risk.2


1999 ◽  
Vol 82 (4) ◽  
pp. 273-282 ◽  
Author(s):  
Aafje Sierksma ◽  
Jan A. Weststrate ◽  
Gert W. Meijer

In a 9-week study seventy-six healthy adult volunteers with an average age of 44 (sd11) years, with baseline plasma total cholesterol levels below 8 mmol/l, received in a balanced, double-blind, crossover design, a total of three different table spreads for personal use. Two spreads were fortified either with free (non-esterified) vegetable-oil sterols, mainly from soyabean oil (31 g sterol equivalents/kg; 0·8 g/d) or sheanut-oil sterols (133 g sterol equivalents/kg; 3·3 g/d). One spread was not fortified (control). Average intake of spread was 25 g/d for 3 weeks. None of the spreads induced changes in blood clinical chemistry or haematology. Plasma total- and LDL-cholesterol concentrations were statistically significantly reduced by 3·8% and 6% (both 0·19 mmol/l) respectively, for the spread enriched with free soyabean-oil sterols compared with the control spread. The spread enriched with sheanut-oil sterols did not lower plasma total- and LDL-cholesterol levels. None of the plant-sterol-enriched spreads affected plasma HDL-cholesterol concentrations. Plasma-lipid-standardized concentrations of α- plus β-carotene were not statistically significantly affected by the soyabean-oil sterol spread in contrast to lipid-standardized plasma lycopene levels which showed a statistically significant decrease (9·5%). These findings indicate that a daily intake of free soyabean-oil sterols as low as 0·8 g added to a spread is effective in lowering blood total- and LDL-cholesterol levels with limited effects on blood carotenoid levels. The lowering in total- and LDL-cholesterol blood levels due to consumption of the vegetable-oil-sterol-enriched spread may be helpful in reducing the risk of CHD for the population.


2007 ◽  
Vol 107 (6) ◽  
pp. 1092-1100 ◽  
Author(s):  
Ming-Yuan Tseng ◽  
Peter J. Hutchinson ◽  
Carole L. Turner ◽  
Marek Czosnyka ◽  
Hugh Richards ◽  
...  

Object The authors previously demonstrated that acute pravastatin therapy in patients after aneurysmal subarachnoid hemorrhage (SAH) ameliorates vasospasm-related delayed ischemic neurological deficits. The object of this study was to continue to examine potential mechanisms of these beneficial effects. Methods Eighty patients with aneurysmal SAH (age range 18–84 years; time to onset 1.8 ± 1.3 days) were enrolled in a double-blind study and randomized to receive 40 mg of oral pravastatin or placebo daily for as long as 14 days. Daily transcranial Doppler ultrasonography and blood tests every 3 days (including full blood cell counts, coagulation profiles, fasting glucose and lipid profiles, and serum biochemistry) were performed during the trial period. Results No significant differences were found in baseline laboratory data between the trial groups. Subsequent measurements during the 14-day trial showed reduced low-density lipoprotein (LDL) cholesterol levels and total/high-density lipoprotein cholesterol ratios between Days 3 and 15 (p < 0.05), and increased D-dimer levels (p < 0.05) on Day 6, in the pravastatin group. Patients who received pravastatin but developed vasospasm had significantly lower baseline LDL cholesterol levels or a less extensive reduction in LDL cholesterol levels (p < 0.05), and greater increases in plasma fibrinogen (p = 0.009) and serum C-reactive protein on Day 3 (p = 0.007), compared with those patients without vasospasm. The reduction in LDL cholesterol levels on Day 3 in the placebo group correlated with the duration of normal cerebral autoregulation on the ipsilateral side of the ruptured aneurysm (p = 0.002). Conclusions In addition to functioning through a cholesterol-independent pathway, cerebrovascular protection from acute statin therapy following aneurysmal SAH may also function through cholesterol-dependent mechanisms.


1981 ◽  
Vol 60 (1) ◽  
pp. 81-86 ◽  
Author(s):  
V. J. Wass ◽  
R. J. Jarrett ◽  
V. Meilton ◽  
M. K. Start ◽  
M. Mattock ◽  
...  

1. Changes in serum total and lipoprotein fraction triglyceride and cholesterol levels were studied in 24 adults on home haemodialysis. Half the patients were randomly allocated to a low cholesterol (mean 200 mg/day), fat-modified diet (mean polyunsaturated/saturated fat ratio of 1.0 with a mean of 43% of the total energy content derived from fat). 2. Before dietary manipulation, triglyceride levels in all lipoprotein fractions were significantly higher (P < 0.02) than in a control group of age and sex matched normal subjects. Total cholesterol, very-low-density-lipoprotein (VLDL) and low-density-lipoprotein (LDL) cholesterol were also significantly raised (P < 0.02), but high-density-lipoprotein (HDL) cholesterol was normal. In the patients on a fat-modified diet triglyceride levels did not alter in any of the lipoprotein fractions. Total cholesterol and LDL cholesterol levels fell significantly into the normal range (P < 0.002 and < 0.001 respectively) but VLDL and HDL cholesterol levels did not change. 3. Hypertriglyceridaemia is the most common lipid abnormality in patients with renal failure and a long-term fat-modified diet is, therefore, of limited therapeutic importance in these patients unless there is a low HDL/LDL cholesterol ratio.


Author(s):  
K Azad ◽  
S Court ◽  
J M Parkin ◽  
M F Laker ◽  
K G M M Alberti

Serum total cholesterol, high-density lipoprotein (HDL) cholesterol, triglyceride, apolipoprotein (apo) A-I and apoB concentrations were estimated and low-density lipoprotein (LDL) cholesterol levels were calculated in 132 children aged 11·4–17·3 years. The effect of feeding was investigated by estimating postprandial values and also by studying the effects of a test meal. The distribution of all data was consistent with Gaussian apart from triglycerides which was log normal. Overall fasting values were [mean (standard deviation; SD)] cholesterol 4·5 (0·8) mmol/L, HDL cholesterol 1·5 (0·4) mmol/L, LDL cholesterol 2·6 (0·8) mmol/L, apoA-I 1·5 (0·3) g/L, apoB 1·0 (0·4) g/L and triglycerides 0·76 (0·38–1·51) mmol/L, the values for triglycerides being mean (95% confidence intervals). Girls had higher triglycerides than boys [0·82 (0·43–1·54) versus 0·70 (0·36–1·33)] and different effects of age on lipids were found, HDL cholesterol being negatively correlated with age in boys ( r= −0·37; P<0·001), but not in girls, and apoA-I being negatively correlated with age in boys ( r= −0·31; P=0·006), but positively correlated with age in girls ( r = 0·32; P = 0·008). Triglycerides rose and HDL cholesterol fell following feeding and inconsistent effects were seen on apoA-I and apoB.


2018 ◽  
Vol 120 (1) ◽  
pp. 33-40 ◽  
Author(s):  
Fariba Raygan ◽  
Milad Behnejad ◽  
Vahidreza Ostadmohammadi ◽  
Fereshteh Bahmani ◽  
Mohammad A. Mansournia ◽  
...  

AbstractThis study was carried out to evaluate the effects of Se supplementation on metabolic profiles in patients with congestive heart failure (CHF). This randomised double-blind, placebo-controlled trial was performed among fifty-three subjects with CHF, aged 45–85 years old. Subjects were randomly allocated into two groups to take either 200 µg/d of Se as Se yeast (n 26) or placebo (n 27) for 12 weeks. Metabolic profiles were assessed at baseline and at the end of trial. Compared with the placebo, Se supplementation led to significant reductions in serum insulin (−18·41 (sd 27·53) v. +13·73 (sd 23·63) pmol/l, P<0·001), homoeostatic model of assessment for insulin resistance (−1·01 (sd 1·61) v. +0·55 (sd 1·20), P<0·001) and a significant increase in quantitative insulin sensitivity check index (QUICKI) (+0·007 (sd 0·03) v. −0·01 (sd 0·01), P=0·007). In addition, Se supplementation significantly decreased LDL-cholesterol (−0·23 (sd 0·29) v. −0·04 (sd 0·28) mmol/l, P=0·03) and total-:HDL-cholesterol ratio (−0·47 (sd 0·31) v. −0·06 (sd 0·42), P<0·001), and significantly increased HDL-cholesterol levels (+0·18 (sd 0·19) v. +0·02 (sd 0·13) mmol/l, P=0·001) compared with the placebo. In addition, taking Se supplements was associated with a significant reduction in high-sensitivity C-reactive protein (hs-CRP) (−1880·8 (sd 3437·5) v. +415·3 (sd 2116·5) ng/ml, P=0·01), and a significant elevation in plasma total antioxidant capacity (TAC) (+30·9 (sd 118·0) v. −187·9 (sd 412·7) mmol/l, P=0·004) and total glutathione levels (+33·7 (sd 130·4) v. −39·2 (sd 132·8) µmol/l, P=0·003) compared with the placebo. When we applied Bonferroni correction for multiple outcome testing, QUICKI (P=0·11), LDL-cholesterol (P=0·51), hs-CRP (P=0·17), TAC (P=0·06) and GSH (P=0·05) became non-significant, and other metabolic profiles did not alter. Overall, our study supported that Se supplementation for 12 weeks to patients with CHF had beneficial effects on insulin metabolism and few markers of cardio-metabolic risk.


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