Okra is a popular vegetable, which grows into an upright and edible fruit. Okra is grown as an important vegetable crop in the subtropical areas, tropical areas and the warm temperate regions of the world. Okra is a dicotyledonous plant and considered as an annual or perennial plant. Its height is tall (around 2 meters). This plant is related to other species such as Hibiscus, cotton and cocoa. Its better growth is considered in the well-drained soil, which is rich in humus. This is best suited for its better growth, but it can also survive in many types of soil with pH ranging from 6 to 6.7. Okra is grown under a temperature above than 20 for its better root and shoot development. Germination can be maximum when the seeds are sown at the temperature 30 to 35 °C. High temperatures can delay the flowering and sometimes stop the flowering.
Okra is considered a short-day plant, but geographical distribution (35-40° latitudes) and its cultivation in different areas of the earth shows sensitivity. Day length has a remarkable effect on flower initiation in various subtropical cultivars. Critical day length for the growth is estimated at 12.30 hrs. Okra grows in a well-drained humus containing soils, but its better growth is observed in sandy loam.
Nutritional contents of Okra come into the knowledge of people as a surprise because its nutritional contents are not discussed because other vegetable benefits discusses before like sweet potatoes and kale. Okra contains vitamins and minerals, fiber and a unique structure of protein, vitamin K is the major nutritional component of Okra. We can take about 40% vitamin C on a daily basis from one cup of Okra, which helps for the optimum growth and progress of the body.
Okra has a moderate amount of vitamin A which is mainly obtained from carrots and sweet potatoes. White blood cells help in maintaining the immune system, are produced in the presence of vitamin C. Magnesium, plays major roles in maintaining the body, and is the major nutritional component of Okra. Okra comprises about 8% Calcium and potassium.
Proteins, carbohydrates and vitamin C are also found in Okra. Immature and Young okra pods are considered to be an important fresh fruit and are used in various forms. Fruit of Okra eat by different methods, i.e., by boiling, frying or cooking. In experiment 100g edible portions of okra consisted of water, protein carbohydrates, fats, fiber, calcium, phosphorus, iron, carotene, riboflavin, thiamine, niacin, ascorbic acid respectively. Okra produces the mucilaginous, hence proves the presence of carbohydrates. Long chain molecules made up of sugar units and amino acids having molecular weight up to 170,000 are mainly present in young fruits. Seeds of okra contained about protein, galactose and oil (20%, 25% and 20% respectively) as main components.
Due to the ability of Okra seeds to maintain the blood glucose concentration, it is mainly used in medicine. But the powdered drugs made from okra seeds have maximum effect, and this research has been claimed traditionally. Quercetin, 3-O-gentiobioside, flavonoids, and the extract of okra seeds in ethanol perform an important role for lessening the blood sugar level. According to the new research, high insulin level decreased the blood glucose levels in mice.
The sticky material of okra consider to be a dietary meal and used as a major component in Asia and African traditional medicine and these medicines are used to treat the gastric irritations and inflammatory diseases. The adhesion of H. pylori to stomach tissues control with the help of Polysaccharides, which are used for the treatment of gastric problems and inflammatory illnesses.
Medicine constitutes Okra extract as an important ingredient at commercial scale. The ability of Okra seeds to produce stable acidic emulsions, oil water emulsions and its rheological behavior are the evident role of Okra in the production of complex materials and the food foams. The root parts and stem parts of okra are used for cleaning the canes of juice packing, from which Jagger (brown/sugar) is prepared. In the paper industry fibers of mature stem and fruit of Okra are used while it has a major role in the formation of biogas, fuel and is a major component of sacks and ropes.
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