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Coconut kernel protein modifies the effect of coconut oil on serum lipids.
Padmakumaran Nair KG, Rajamohan T, Kurup PA.
Plant Foods Hum Nutr. 1999;53(2):133-44.
PMID: 10472790
DOI: 10.1023/A:1008078103299
Feeding coconut kernel along with coconut oil in human volunteers has been found to reduce serum total and LDL cholesterol when compared to feeding coconut oil alone. This effect of the kernel was also observed in rats. Since many plant proteins have been reported to exert a cholesterol lowering effect, a study was carried out on the effect of isolated kernel protein in rats. Feeding kernel protein resulted in lower levels of cholesterol, phospholipids and triglycerides in the serum and most tissues when compared to casein fed animals. Rats fed kernel protein had (1) increased hepatic degradation of cholesterol to bile acids, (2) increased hepatic cholesterol biosynthesis, and (3) decreased esterification of free cholesterol. In the intestine, however, cholesterogenesis was decreased. The kernel protein also caused decreased lipogenesis in the liver and intestine. This beneficial effect of the kernel protein is attributed to its very low lysine/arginine ratio 2.13% lysine and 24.5% arginine....
A diet rich in coconut oil reduces diurnal postprandial variations in circulating tissue plasminogen activator antigen and fasting lipoprotein (a) compared with a diet rich in unsaturated fat in women.
Müller H, Lindman AS, Blomfeldt A, Seljeflot I, Pedersen JI.
J Nutr. 2003 Nov;133(11):3422-7.
PMID: 14608053
In conclusion, our results indicate that a coconut oil-based diet (HSAFA-diet) lowers postprandial t-PA antigen concentration, and this may favorably affect the fibrinolytic system and the Lp(a) concentration compared with the HUFA-diet. The proportions of dietary saturated fatty acids more than the percentage of saturated fat energy seem to have a beneficial influence on Lp(a) levels.
The connection between Lp(a) and atherosclerosis is not entirely understood. Different studies have provided strong evidence that Lp(a) level is an independent risk factor for developing coronary artery disease in men (47,48), but the question of causality continues to be debated. Recent data suggest that Lp(a) might be atherogenic (49), in particular when combined with other risk factors. High levels of Lp(a) combined with other risk factors such as the ratio of plasma total/HDL cholesterol have been shown to increase the risk for coronary heart diseases (50). It has also been reported that when substantial LDL cholesterol reductions were obtained in men with coronary heart disease, persistent elevations of Lp(a) were no longer atherogenic or clinically threatening (51).
In conclusion, the present results show that the HSAFA-diet lowered postprandial t-PA antigen and thus potentially improved fibrinolysis compared with the HUFA-diet. Diets with either high or low levels of saturated fatty acids from coconut oil beneficially decrease Lp(a) compared with a HUFA-diet. The proportions of dietary saturated fatty acids more than the percentage of saturated fat energy may be of importance if the goal is to decrease Lp(a).
"I've always read that you should avoid coconut oil because of its high level of saturated fat. But I recently heard it is actually healthful and can help you lose weight. Is that true?
Most nutritionists don't believe consuming coconut oil will help with weight loss -- the evidence is far from conclusive on that point. But most will also concede that the oil may not be the demon many think it is.
To be honest, when it comes to nutrition research, the "truth" often seems elusive. Studies pronounce one verdict and then new findings point in another direction. That's simply the nature of the scientific process and the complexity surrounding nutrition and health. As long as we persist in hunting for more precise answers, we'll continue to encounter surprises. "
In vitro antimicrobial properties of coconut oil on Candida species in Ibadan, Nigeria.
Ogbolu DO, Oni AA, Daini OA, Oloko AP.
J Med Food. 2007 Jun;10(2):384-7.
PMID: 17651080
It is noteworthy that coconut oil was active against species of Candida at 100% concentration compared to fluconazole. Coconut oil should be used in the treatment of fungal infections in view of emerging drug-resistant Candida specie
Beneficial effects of virgin coconut oil on lipid parameters and in vitro LDL oxidation.
Nevin KG, Rajamohan T.
Clin Biochem. 2004 Sep;37(9):830-5.
PMID: 15329324
doi:10.1016/j.clinbiochem.2004.04.010
Conclusion: The results demonstrated the potential beneficiary effect of virgin coconut oil in lowering lipid levels in serum and tissues and LDL oxidation by physiological oxidants. This property of VCO may be attributed to the biologically active polyphenol components present in the oil
Effect of fish oil on heart rate in humans: a meta-analysis of randomized controlled trials.
Mozaffarian D, Geelen A, Brouwer IA, Geleijnse JM, Zock PL, Katan MB.
Circulation. 2005 Sep 27;112(13):1945-52. Epub 2005 Sep 19.
PMID: 16172267
doi: 10.1161/CIRCULATIONAHA.105.556886
Conclusions- In randomized controlled trials in humans, fish oil reduces HR, particularly in those with higher baseline HR or longer treatment duration. These findings provide firm evidence that fish oil consumption directly or indirectly affects cardiac electrophysiology in humans. Potential mechanisms such as effects on the sinus node, ventricular efficiency, or autonomic function deserve further investigation.
"June 29, 2009 | Shelley Wood
Boston, MA - A massive, National Institutes of Health-sponsored study looking at whether vitamin-D and/or omega-3 fatty-acid supplementation can reduce the risk of developing heart disease, stroke, or cancer will get under way in January 2010, according to a website for the study. Drs JoAnn Manson and Julie Buring (Harvard Medical School/ Brigham and Women's Hospital, Boston, MA) will head up the Vitamin D and Omega-3 Trial (VITAL).
The study is aiming to enroll 20 000 men and women, one-quarter of whom will be black. According to a Brigham and Women's Hospital press release, the study is intentionally aiming to illuminate a potential racial and ethnic disparity hypothesized to be linked to vitamin D [1]. "African Americans have a higher risk of vitamin-D deficiency as well as a greater frequency of diabetes, hypertension, and certain types of cancer," a press release notes. For VITAL, women need to be over age 65 to enter the study; men need to be over age 60.
Study participants will be randomized to one of four groups: daily vitamin D (2000 IU) and fish oil (1 g); daily vitamin D and fish-oil placebo; daily vitamin-D placebo and fish oil; or daily vitamin-D placebo and fish-oil placebo. The trial will run for five years and is expected to cost US $20 million."
ScienceDaily (Feb. 10, 2009) - UGR News Researchers of the Catalonian Institute of Oncology (Spain) and the University of Granada (Spain) have discovered that extra virgin olive oil may help to combat breast cancer, according to a paper published in a recent issue of 'BMC Cancer'. The scientists have confirmed the bioactivity of polyphenols (this is, natural antioxidants) present in olive oil in breast cancer cell lines.
Comparison of the effects of linseed oil and different doses of fish oil on mononuclear cell function in healthy human subjects.
Wallace FA, Miles EA, Calder PC.
Br J Nutr. 2003 May;89(5):679-89.
PMID: 12720588
A randomised comparison of increase in serum 25-hydroxyvitamin D concentration after 4 weeks of daily oral intake of 10 microg cholecalciferol from multivitamin tablets or fish oil capsules in healthy young adults.
Holvik K, Madar AA, Meyer HE, Lofthus CM, Stene LC.
Br J Nutr. 2007 Sep;98(3):620-5. Epub 2007 Apr 24.
PMID: 17456248
We conclude that fish oil capsules and multivitamin tablets containing 10 microg cholecalciferol administered over a 4-week period produced a similar mean increase in s-25(OH)D concentration.
"Nov 14, 2005 | Michael O'Riordan.
Dallas, TX - The addition of eicosapentaenoic acid (EPA) to low-dose statin therapy significantly reduced the incidence of major coronary events, largely driven by a reduction in unstable angina, when compared with patients taking statins alone. A subgroup analysis of the study, which involved a large number of primary-prevention patients, revealed that statin-treated secondary-prevention patients gained the most benefit from fish-oil supplementation.
Dr Mitsuhiro Yokoyama
Presenting the results of the Japan EPA Lipid Intervention Study (JELIS) during the late-breaking clinical-trials session at the American Heart Association Scientific Sessions 2005, Dr Mitsuhiro Yokoyama (Kobe University Graduate School of Medicine, Japan) said that the mechanism of benefit with EPA, a seafood-based, long-chain, n-3 polyunsaturated fatty acid, appears to be unrelated to the effects of cholesterol lowering.
Commenting on the results of the study for heartwire, Dr Lawrence Appel (Johns Hopkins University School of Medicine, Baltimore, MD) said the findings are impressive given that the benefit of fish oil was observed on top of a regimen of statin therapy. He added that there are still some unknowns about which patient population would benefit most from fish oil."
In a pan, put a quarter of a cup of unrefined olive oil, and then add four chopped garlic cloves to it. Until the garlic become brownish; fry it, and then, remove the garlic and leave oil to cool down.
Ross ZM, O'Gara EA, Hill DJ, Sleightholme HV, Maslin DJ. Antimicrobial properties of garlic oil against human enteric bacteria: evaluation of methodologies and comparisons with garlic oil sulfides and garlic powder.
Appl Environ Microbiol. 2001 Jan;67(1)
Foran SE, Flood JG, Lewandrowski KB.
Measurement of mercury levels in concentrated over-the-counter fish
oil preparations: is fish oil healthier than fish?
Arch Pathol Lab Med. 2003 Dec;127(12):1603-5.
PMID: 14632570 [PubMed - indexed for MEDLINE]
Mice fed fish oil and curcumin showed a significantly reduced tumor volume, 25% (P < 0.04) and 43% (P < 0.005), respectively, and importantly, a combination of curcumin and fish oil diet showed > 72% (P < 0.0001) tumor volume reduction. Expression and activity of iNOS, COX-2, and 5-LOX are downregulated, and p21 is upregulated in tumor xenograft fed curcumin combined with fish oil diet when compared to individual diets. The preceding results evidence for the first time that curcumin combined with omega-3 fatty acids provide synergistic pancreatic tumor inhibitory properties.
Prevention and treatment of pancreatic cancer by curcumin in combination with omega-3 fatty acids.
Swamy MV, Citineni B, Patlolla JM, Mohammed A, Zhang Y, Rao CV.
Nutr Cancer. 2008;60 Suppl 1:81-9.
PMID: 19003584
Use of cod liver oil during the first year of life is associated with lower risk of childhood-onset type 1 diabetes: a large, population-based, case-control study.
Stene LC, Joner G; Norwegian Childhood Diabetes Study Group.
Am J Clin Nutr. 2003 Dec;78(6):1128-34.
PMID: 14668274
Conclusion: Cod liver oil may reduce the risk of type 1 diabetes, perhaps through the antiinflammatory effects of long-chain n-3 fatty acids.
Weston Price established the importance of the MK-4 isoform of vitamin K2 (hereafter, K2) with a series of interesting experiments. He showed in chickens that blood levels of calcium and phosphorus depended both on vitamin A and K2, and that the two had synergistic effects on mineral absorption. He also showed that chickens preferred eating butter that was rich in K2 over butter low in K2, even when the investigators couldn't distinguish between them. Young turkeys fed K2-containing butter oil along with cod liver oil (A and D) also grew at a much faster rate than turkeys fed cod liver oil alone.
Mercury, fish oils, and risk of acute coronary events and cardiovascular disease, coronary heart disease, and all-cause mortality in men in eastern Finland.
Virtanen JK, Voutilainen S, Rissanen TH, Mursu J, Tuomainen TP, Korhonen MJ, Valkonen VP, Seppänen K, Laukkanen JA, Salonen JT.
Arterioscler Thromb Vasc Biol. 2005 Jan;25(1):228-33. Epub 2004 Nov 11.
PMID: 15539625
doi: 10.1161/01.ATV.0000150040.20950.61
Conclusions- High content of mercury in hair may be a risk factor for acute coronary events and CVD, CHD, and all-cause mortality in middle-aged eastern Finnish men. Mercury may also attenuate the protective effects of fish on cardiovascular health.
Mercury may increase the risk of cardiovascular diseases. In this study, high mercury content in hair increased the risk of cardiovascular morbidity and mortality in middle-aged Finnish men and attenuated the beneficial effects of fish oils on cardiovascular health. Regular consumption of fish with high mercury content should be avoided.