With either mental or physical stimulation, your brain signals the nerve
ending in the penis to release nitric oxide. Nitric oxide relaxes or
dilates blood vessels, enabling them to open up and bring more blood to
the penis and helping to create an erection. Impotence is defined as a condition of the inability of men to sustain an erection for sexual activity.
Types of food to prevent and treat impotence
1. Tomato
In the study to examine whether lycopene could lower oxidative stress and
attenuate ED in diabetic rats with administration of Lycopene (10, 30, 60 mg/kg/d) via intragastric intubation for 8 weeks to streptozotocin
(STZ) (50 mg/kg, i.v.) induced diabetic rats, showed that chronic lycopene treatment significantly and dose dependently restored
ED in diabetic rats by lowering blood glucose, reducing oxidative stress
and up-regulating eNOS expression(1).
2. Chamomille Tea
According to the study of Antioxidant treatment with quercetin ameliorates erectile dysfunction in streptozotocin-induced diabetic rats at the Fourth Military Medical University, found that Treatment with 20 and 50mg/kg quercetin improved SOD activity, NOx and
TBARS levels in corpus cavernosum of diabetic rats. Decreased expression
of eNOS in diabetic rats was only ameliorated by 50mg/kg quercetin
treatment. Quercetin could ameliorate ED in diabetic rats by inhibiting
oxidative stress(2).
3. Cereals ready-to-eat
In the study to elucidate the role of oxidative stress in erectile dysfunction associated with aging and to investigate the effect of treatment with vitamin E in this respect, showed that antioxidant therapy with vitamin E ameliorates the age-associated erectile dysfunction. Sildenafil may exert some antioxidant
properties which add to the advantages of its long-term use. The effect
of combinations of low-dose sildenafil and vitamin E on age-associated erectile dysfunction merits to be studied(3)
4. Pomegranate juice (PJ)
In the study to examine the effect of long-term PJ intake on intracavernous blood flow and penile erection in the rabbit model, indicated that On spectrophotometric analysis PJ showed the highest capacity to
decrease low density lipoprotein oxidation and inhibit cellular
oxidative stress in macrophages. The rabbit model of arteriogenic ED
demonstrated decreased intracavernous blood flow, erectile dysfunction,
loss of smooth muscle relaxation, decreased endothelial NOS and
neuronal NOS, increased inducible NOS expression, diffused cavernous
fibrosis and increased cavernous levels of the oxidative product
isoprostane 8-epi-prostaglandin F2alpha. Long-term PJ intake increased
intracavernous blood flow, improved erectile
response and smooth muscle relaxation in ED and control groups while
having no significant effect on NOS expression. PJ intake prevented erectile tissue fibrosis in the ED group(4).
5. Mediterranean diet
In the study to test the effect of a Mediterranean-style diet on ED in men with the metabolic syndrome in Sixty-five men with the metabolic syndrome met the inclusion/exclusion
criteria; 35 out of them were assigned to the Mediterranean-style diet
and 30 to the control diet, showed that after 2 years, men on the Mediterranean diet
consumed more fruits, vegetables, nuts, whole grain, and olive oil
as compared with men on the control diet. Endothelial function score
and inflammatory markers (C-reactive protein) improved in the
intervention group, but remained stable in the control group. There were
13 men in the intervention group and two in the control group (P=0.015)
that reported an IIEF score of 22 or higher. Mediterranean-style diet
rich in whole grain, fruits, vegetables, legumes, walnut, and olive oil might be effective per se in reducing the prevalence of ED in men with the metabolic syndrome(5).
6. Etc.
Sources
(1) http://www.ncbi.nlm.nih.gov/pubmed/22530309
(2) http://www.ncbi.nlm.nih.gov/pubmed/21664865
(3) http://www.ncbi.nlm.nih.gov/pubmed/22280834
(4) http://www.ncbi.nlm.nih.gov/pubmed/15947695
(5) http://www.ncbi.nlm.nih.gov/pubmed/16395320
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