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Anti-aging Research > Monounsaturated Fats
Monounsaturated Fats
News & Research:
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Monounsaturated
fat - Wikipedia, the free encyclopedia -
"Monounsaturated fats are found along with saturated fat in natural foods
such as red meat, whole milk products, nuts and high fat fruits such as
olives and avocados. Olive oil is about 75% monounsaturated fat while tea
seed oil is commonly over 80% monounsaturated fat. Canola oil and Cashews
are both about 58% monounsaturated fat. Tallow (beef fat) is about 50%
monounsaturated fat and lard is about 40% monounsaturated fat. Other sources
include macadamia nut oil, grapeseed oil, groundnut oil (peanut oil), sesame
oil, corn oil, popcorn, whole grain wheat, cereal, oatmeal, safflower oil,
sunflower oil, tea-oil Camellia, and avocado oil"
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Mediterranean Diet May Protect Brain - WebMD, 2/13/12 -
"white matter hyperintensity volume (WMHV) ... WMHV
is an indicator of small blood vessel damage in the brain and is detected by
magnetic resonance screening (MRI) ... researchers compared the brain scans
and diets of 966 adults with an average age of 72 ... those who most closely
followed a Mediterranean diet had a lower measure of WMHV than those who did
not. Each increase in the Mediterranean diet score was associated with a
corresponding decrease in white matter hyperintensity volume score ... the
aspect of the Mediterranean diet that seemed to matter most was the ratio of
monounsaturated fat to saturated fat"
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Olive Oil Linked to Reduced Stroke Risk - WebMD. 6/15/11 -
"seniors who
regularly used this healthy monounsaturated fat had a 41% lower risk of stroke
compared to their counterparts who never used olive oil ... So what exactly is
it about olive oil that may lower stroke risk? There are several theories, she
says. It may be that people choose olive oil over saturated, artery-clogging
fats. “Moreover, previous research found that the polyphenols from virgin olive
oil account specifically for its ability to lower oxidized low-density
lipoprotein (LDL)” or bad cholesterol. High cholesterol levels are a known risk
factor for stroke ... Olive oil is a healthy fat and it can reduce cholesterol
and inflammation, and has been shown to help reduce the incidence of heart
disease" - Click here for my olive oil mayonnaise recipe. See
olive leaf extracts at iHerb.
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Fatty Acids and
Cognitive Decline in Women - Medscape, 6/13/11 -
"In this cohort of older women, greater MUFA intake was associated with less
cognitive decline over a 3-year period. Previous studies generally but not
invariably support this association. One previous prospective study found
greater dietary MUFA intake to be associated with less cognitive
decline,[10] a second found a trend in the same direction,[9] a third found
a trend in the same direction in restricted analyses,[6] and three others
were null.[7,8,11] None of the null studies had multiple measures of diet;
one assessed diet using a measure of fatty acid composition of erythrocyte
membranes,[7] but that study assessed cognitive decline exclusively using
the Mini-Mental State Examination, which is probably not as sensitive as the
neuropsychological test battery used in this study ... MUFA is thought to be
one of the major protective components of the traditional Mediterranean
diet, in which it is derived primarily from olive oil (median 46 g/d).[10]
Two recent prospective studies of the Mediterranean diet have found greater
adherence to be associated with less cognitive decline and lower incidence
of Alzheimer's disease (AD).[31,32] One of these studies found an effect of
the Mediterranean diet on an individual cognitive domain, namely memory.[31]
This finding is consistent with the observed protective effect of MUFA on
memory in the WHI CCW. In addition, the current study found an association
between MUFA and less decline in visual–spatial abilities (copying and
matching), a finding not previously made to the knowledge of the authors of
the current study. Decline in visuospatial function has been associated with
driving errors in older adults[33] and has also been suggested as a
potential predictor (along with amnestic impairment) of transition from mild
cognitive impairment to AD ... Several pathways may explain the apparent
relationship between MUFA intake and cognitive function. MUFA and MUFA
derivatives have antiinflammatory effects in vivo,[35,36] which may be
important because chronic inflammation appears to be a precursor of
symptomatic AD.[37–39] Oxidative stress has also been demonstrated in
patients with mild cognitive impairment and AD,[40] and derivatives from
MUFA, including low-molecular-weight phenols, have been found to have
antioxidant effects.[41] MUFA may also exert their potentially beneficial
effects on cognition indirectly by decreasing cardiovascular risk by
reducing macrophage uptake of plasma oxidized low-density lipoprotein,
apolipoprotein B, and f triglycerides" -
Click here for my olive oil mayonnaise recipe.
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Dysport Deemed Safe, Effective Anti-wrinkle Treatment, Plastic Surgeons Say
- Science Daily, 8/3/09
Abstracts:
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Beneficial effects of combined olive oil ingestion and acute exercise on
postprandial TAG concentrations in healthy young women - Br J Nutr. 2012
Jan 23:1-7 - "Foods high in monounsaturated fat,
such as olive oil, and endurance exercise are both known to independently
reduce postprandial TAG concentrations. We examined the combined effects of
exercise and dietary fat composition on postprandial TAG concentrations in
nine healthy pre-menopausal females (age 26·8 (sd 3·3) years, BMI 22·3 (sd
2·0) kg/m2). Each participant completed four, 2 d trials in a randomised
order: (1) butter-no exercise, (2) olive oil-no exercise, (3)
butter-exercise, (4) olive oil-exercise. On day 1 of the exercise trials,
participants walked or ran on a treadmill for 60 min. On the no-exercise
trials, participants rested on day 1. On day 2 of each trial, participants
rested and consumed an olive oil meal (saturated fat 15 % and unsaturated
fat 85 %) or a butter meal (saturated fat 71 % and unsaturated fat 29 %) for
breakfast ... A significant main effect on physical activity (exercise or
control) was obtained for plasma TAG concentration (three-way ANOVA, P =
0·043), and the total area under the concentration v. time curve for TAG was
26 % lower on the olive oil-exercise trial (4·40 (sd 0·40) mmol × 6 h/l)
than the butter-no exercise trial (5·91 (sd 1·01) mmol × 6 h/l) (one-way
ANOVA, P = 0·029). These findings suggest that the combination of exercise
and a preference for monounsaturated dietary fat intake in the form of olive
oil may be most beneficial for reducing postprandial TAG concentrations"
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Dietary
Intake of Cholesterol Is Positively and Use of Cholesterol-Lowering
Medication Is Negatively Associated with Prevalent Age-Related Hearing Loss
- J Nutr. 2011 May 25 - "After multivariable
adjustment, the likelihood of prevalent hearing loss increased from the
lowest (reference) to the highest quartile of dietary cholesterol intake
(P-trend = 0.04). Among persons self-reporting statin use (n = 274), a 48%
reduced odds of prevalent hearing loss was observed after multivariable
adjustment [OR = 0.52 (95% CI = 0.29-0.93)]. Participants in the second and
3rd quartiles of dietary monounsaturated fat intake compared with those in
the first quartile (reference) had a significantly reduced risk of hearing
loss progression 5 y later [multivariable-adjusted OR = 0.39 (95% CI =
0.21-0.71)] and [OR = 0.51 (95% CI = 0.29-0.91)], respectively. Our results
suggest that a diet high in cholesterol could have adverse influences on
hearing, whereas treatment with statins and consumption of monounsaturated
fats may have a beneficial influence"
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