Citrus fruits are good sources of vitamin C are useful for human health. The content of vitamin C is very diverse antarvarietas, but range from 27-49 mg/100 g of fruit flesh.
Orange juice contains 40-70 mg of vitamin C per 100 ml, depending on the type. The older citrus fruit, usually diminishing its vitamin C content, but the sweet taste.
Vitamin C found in fruit juices, meat, and skin. Quarter of the total amount of vitamin C contained in citrus fruit juice. Beta-carotene (provitamin A), which forms vitamin A is found in the skin and orange juice.
Vitamin C plays a role in the absorption of inorganic iron (iron and food nonhewani) so as to prevent and help cure anemia (anemic). Vitamin C also has the ability as an antioxidant, which may help prevent cell damage from free radical activity of the molecule.
In the body, free radicals oxidize molecules of protein, fatty acids, and DNA. Damage caused by free radicals implicated in the emergence of a number of diseases, including cancer, cardiovascular disease, and cataracts.
Significantly, recent research suggests that a high intake of vitamin C from foods, including oranges, can prevent the increase of oxidized LDL. High levels of oxidized LDL are the main factors of developing heart disease.
Several epidemiological studies have indeed demonstrated a significant association between vitamin C intake and risk of death from cardiovascular disease.
Vitamin C in fruits, including oranges, it has been scientifically proven to protect the body against cancer. The results of epidemiological studies indicate that consumption of fruits (orange one) and vegetables is high, has a protective effect against cancer better than the consumption of vitamin C in the form of tablets or other supplements.
Since the oxidation of eye lens plays an important role in the formation of cataracts, the role of antioxidants (including vitamin C) becomes important. The results showed that individuals with vitamin C and carotenoid concentrations in the blood is high, has a lower risk of cataracts.
Oranges as a source of vitamin C is also thought to provide preventive and therapeutic effects against diseases such as bone loss (osteoporosis), kidney stones, impaired cognitive function, and asthma.
Aside from being a source of vitamin C are citrus also a potential source of folic acid. The citrus fruits can meet 20 percent of the daily folate requirement. Level of consumption of foods with a high content of folate, such as orange juice or in juice form, will increase folate levels.
Increased levels of folate will reduce levels of homocysteine, which is toxic to the blood vessel wall. By decreasing homocysteine ??levels, also reduced the risk of cardiovascular disease.
MOST IDEAL OF ANY JUICE
Nutrient composition per 100 grams of sweet oranges are: energy 45 kcal; protein 0.9 g, fat 0.2 g, carbohydrates 11.2 g, phosphorus 23 mg, calcium 33 mg, iron 0.4 mg, vitamin A 190 IU; vitamin B1 0.08 mg, vitamin C 49 mg, and 87.2 g of water
The water content of fruit juice depending on the location of planting, sunlight, temperature, humidity, and others. Citrus crops grown in the area enough water, fruit flesh and skin will contain more water and minerals compared to those grown in dry areas.
Carbohydrate in citrus is a simple carbohydrate, which is fructose, glucose, and sucrose. With increasing age of the fruit, sugar content increases, but the acid content is reduced. Sweet orange fruit exposed to direct sunlight will contain more sugar, as well as its vitamin C content.
Complex carbohydrates such as polysaccharides nonpati (commonly known as dietary fiber) is good for health. Dietary fiber (dietary fiber) in the body bind nutrients in a gel matrix, which can slow down the emptying of the stomach and digestion and absorption. The situation will prolong satiety and decrease the rate of absorption of glucose, which can help prevent spikes in blood sugar levels.
Citric acid content is pretty much on the fruit that is still young, but it will be reduced after the ripe fruit. Citric acid content of sweet valencia oranges are ripe will be reduced to two-thirds. Sweet orange fluid contains malic acid from 1.4 to 1.8 mg per liter.
Processed citrus products the ideal is in the form of juice. This is strongly supported by the high water content (70-92 percent), and offset by the amount of vitamins, minerals, fiber, sugars, organic acids and the phytochemical compounds in the form of juice, various citrus (including citrus imports) can be enjoyed at any time , without knowing the season.