Peanuts nutrition facts
Delicious, crunchy, and nutty peanuts are one of the popular oil seeds known to humankind since ancient times. The nuts are enriched with many noteworthy health-benefiting nutrients that are essential for optimum health. They are actually legumes but have almost all the qualities that true nuts like almonds have.Botanically, the nuts are small size fruit pods of plant belonging to the Fabaceae family of the genus, Arachis.Some of the common names are groundnut, earthnuts, etc.
Peanut is a small annual herb growing up to a foot above the ground. It is thought to have originated in the Central Americas and from where it spread to rest of the world through Spanish explorers. Today, the nuts are widely cultivated oil seeds and has established as prime commercial crop in China, India, African nations, and the United States of America.
After the seedling, the plant takes approximately 120 to 150 days to produce the crop. The process of peanut development is quite interesting! The yellow flowers, after self-pollination, develop in to "ovaries," called pedicels, which elongate rapidly to turn downward to bury several inches deep under the ground from where the fruits develop into peanut pods we know.To harvest, the entire plant, including roots, is dug out from the soil. Each plant may bear 10-150 fruit pods. The pods have wrinkled shells that are constricted between pairs of the two to four seeds per pod. Each seed is covered with thin brown color cover and can be split into two equal halves as in any other legumes.
Health benefits of Peanuts
Peanuts are rich in energy and contain health benefiting nutrients, minerals, antioxidants and vitamins that are essential for optimum health.
- They compose sufficient levels of mono-unsaturated fatty acids especially oleic acid. It helps to lower LDL or "bad cholesterol" and increases HDL or "good cholesterol” level in the blood. Research studies suggest that Mediterranean diet, which is rich in monounsaturated fatty acids help to prevent coronary artery disease and strokes by favoring healthy blood lipid profile.
- These nuts are a good source of dietary protein compose fine quality amino acids that are essential for growth and development.
- Research studies have shown that peanuts contain high concentrations of poly-phenolic antioxidants, primarily p-coumaric acid. This compound has been thought to reduce the risk of stomach cancer by limiting the formation of carcinogenic nitrosamines in the stomach.
- Peanuts are an excellent source of resveratrol, another polyphenolic antioxidant. Resveratrol has been found to have protective function against cancers, heart disease, degenerative nerve disease, Alzheimer's disease, and viral/fungal infections.
- Furthermore, studies suggest that resveratrol reduce stroke risk by altering molecular mechanisms in the blood vessels (reducing susceptibility to vascular damage through decreased activity of angiotensin, a systemic hormone causing blood vessel constriction that would elevate blood pressure), and by increasing production of the vasodilator hormone, nitric oxide.
- Recent research studies suggest that boiling enhances antioxidant concentration in the peanuts. It has been found that boiled peanuts have two and four-fold increase in isoflavone antioxidants biochanin-Aand genistein content, respectively.
- The nuts are an excellent source of vitamin E (a-tocopherol); containing about 8 g per100 g. vitamin E is a powerful lipid soluble antioxidant which helps maintain the integrity of cell membrane of mucus membranes and skin by protecting from harmful oxygen free radicals.
- The nuts are packed with many important B-complex groups of vitamins such as riboflavin, niacin, thiamin, pantothenic acid, vitamin B-6, and folates. 100 g of peanuts provide about 85% of RDI ofniacin, which contribute to brain health and blood flow to brain.
- The nuts are rich source of minerals like copper, manganese, potassium, calcium, iron, magnesium, zinc, and selenium.
Nutrient Data Base Table
Health benefits of Peanuts
Peanuts are rich in energy and contain health benefiting nutrients, minerals, antioxidants and vitamins that are essential for optimum health.
- They compose sufficient levels of mono-unsaturated fatty acids especially oleic acid. It helps to lower LDL or "bad cholesterol" and increases HDL or "good cholesterol” level in the blood. Research studies suggest that Mediterranean diet, which is rich in monounsaturated fatty acids help to prevent coronary artery disease and strokes by favoring healthy blood lipid profile.
- These nuts are a good source of dietary protein compose fine quality amino acids that are essential for growth and development.
- Research studies have shown that peanuts contain high concentrations of poly-phenolic antioxidants, primarily p-coumaric acid. This compound has been thought to reduce the risk of stomach cancer by limiting the formation of carcinogenic nitrosamines in the stomach.
- Peanuts are an excellent source of resveratrol, another polyphenolic antioxidant. Resveratrol has been found to have protective function against cancers, heart disease, degenerative nerve disease, Alzheimer's disease, and viral/fungal infections.
- Furthermore, studies suggest that resveratrol reduce stroke risk by altering molecular mechanisms in the blood vessels (reducing susceptibility to vascular damage through decreased activity of angiotensin, a systemic hormone causing blood vessel constriction that would elevate blood pressure), and by increasing production of the vasodilator hormone, nitric oxide.
- Recent research studies suggest that boiling enhances antioxidant concentration in the peanuts. It has been found that boiled peanuts have two and four-fold increase in isoflavone antioxidants biochanin-Aand genistein content, respectively.
- The nuts are an excellent source of vitamin E (a-tocopherol); containing about 8 g per100 g. vitamin E is a powerful lipid soluble antioxidant which helps maintain the integrity of cell membrane of mucus membranes and skin by protecting from harmful oxygen free radicals.
- The nuts are packed with many important B-complex groups of vitamins such as riboflavin, niacin, thiamin, pantothenic acid, vitamin B-6, and folates. 100 g of peanuts provide about 85% of RDI ofniacin, which contribute to brain health and blood flow to brain.
- The nuts are rich source of minerals like copper, manganese, potassium, calcium, iron, magnesium, zinc, and selenium.
Nutrient Data Base Table
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