Research progress on nutrition and health function of jujube

29-10-2019

Jujube, also known as jujube, is the prune family jujube plant jujube fruit.According to historical records, jujube is the origin of China's traditional high - quality specialty tree species.The fossil of jujube cored was found by archaeologists in the cultural site of filigang in xinzheng, which proves that jujube has a history of more than 8,000 years in China. Since ancient times, jujube has been listed as one of the "five fruits" (peach, plum, plum, apricot and jujube).Jujube is rich in trace elements and a dozen kinds of amino acids.In skincare beauty, anti - cancer, prevention and treatment of cardiovascular disease has a special role.As a medicinal,  it was recorded as early as in "the benjing”, “birecord of famous doctors”, “compendium of materia medica”, “medical art of qimin” and “materia medica of baihuazi",  such as red jujube flavour gan wen, into the heart, spleen, stomach, long food with tonifying qi and blood, nerves, good taste, nine qiao, and best medicine, embellish skin to raise colour, strong live, health care, etc.

Nutrients of red dates

Jujube is rich in nutrients and comprehensive, deeply loved by people, according to research analysis,Red date (dry), water content of 25 ~ 30 g / 100 g, sugar 50. 3 ~ 86.9 g / 100 g (separated raw sugar), 2.92 ~ 4.0 g / 100 g protein, and fat 0. 2 ~ 0.96 g / 100 g, crude fiber, 1.6 ~ 3.1 mg / 100 g, 0.61 ~ 1.05 g / 100 g potassium and phosphorus 55 mg / 100 g , calcium1mg/100g, iron 1. 6 mg / 100 g, carrot  element 0. 4 mg / 100 g, riboflavin 0. 15mg/100g, Nick acid 1.2 mg / 100 g, inorganic acid 1.4mg/100 g, thiamine 0.66 mg/100 g, vitamin B1 10.05mg /100 g, vitamin B2 20.15 mg/100 g.Jujube fresh fruit vitamin C content is particularly prominent, 100g jujube in vitamin C as high as 500mg~800 mg, is apple, peach 70~ 80 times, 7~10 times higher than citrus, vitamin PP is as high as 330mg/100g above.

A clinical study abroad showed that the patients who ate jujube continuously recovered more than 3 times faster than taking vitamin drugs alone.Accordingly, big red jujube had "natural vitamin pill" good reputation.In addition, jujube fruit also contains 18 essential amino acids, including 8 essential amino acids, alanine, threonine, tryptophan, methionine, lysine, valine, and histidine, which is essential but cannot be synthesized in children.

Special nutrient

Flavonoids

The flavonoids with higher content in jujube is rutin. According to the measurement, rutin content in jujube is as high as 3385 mg/100 g.In the food industry, rutin is often used as an antioxidant and edible yellow pigment. Medicinally, rutin can reduce the brittleness of blood vessels, improve the permeability of blood vessels, reduce blood lipid and cholesterol, and is used for the prevention and treatment of senile hypertension, cerebral hemorrhage, sepsis, coronary heart disease, thrombocytopenia and other diseases.In addition, flavonoids compounds also have cough, expectorant, asthma, antibacterial, antiviral activity, anti-aging, anti-cancer, liver protection, enhance immunity and other functions, with great development and utilization value.

Cyclic adenosine phosphate

Cyclic adenosine phosphate is involved in regulating metabolism in cells and biological function of widely exists in the body of a kind of important active substances, known as life information transfer "second messengers," in the body has the enhancement immunity, improve liver function, promote the survival of cardiac muscle cells, enhance myocardial cell damage resistance, resistance to hypoxia ischemia and improve heart function, expansion of the peripheral vascular function.Clinically, it is mainly used to treat cardiac insufficiency, coronary heart disease and myocardial infarction.It is reported that the content of cyclic adenosine phosphate in the ripe flesh of jujube is as high as 300 nmol/g ~500 nmol/g, which is the highest among the tested plants.

Triterpenes

Foreign scholars have analyzed that a group of triterpenoids in jujube have the effect of inhibiting the proliferation of cancer cells and preventing the metastasis and spread of cancer cells. It has a wide range of pharmacological activities and is a special nutrient in jujube, with good anti-tumor, liver protection and liver protection effects.

Polysaccharide

Jujube polysaccharides are two kinds of water-soluble polysaccharides: neutral polysaccharides (JDP- N) and acidic polysaccharides (JDP-A).Red jujube polysaccharide is an important natural active ingredient in red jujube.It can control the division and differentiation of cells and regulate the physiological activity of cells. Studies have shown that jujube polysaccharides have obvious effects of relieving cough, eliminating phlegm, hemostasis and strengthening immunity, as well as anti-aging, anti-cancer, anti-aids and other physiological activities.Red jujube

Medical care function

nourish qi and blood

It is recorded in the book of Chinese herbal medicine "this jing" that red dates have the functions of invigorating qi, nourishing blood and calming the nerves, and moderating the medicinal properties.Jujube is rich in nutrients, modern pharmacological research shows that jujube can enhance the oxygen content in the blood, nourish the cells of the whole body, is a kind of drug to ease the strong agent.Anemia, diarrhea, bipolar disorder, listlessness, crying restlessness, restless, heart palpitations insomnia has a good tonic effect.

Nourishing an aphrodisiac

Jujube is not only a kind of fruit, and is a good tonic food, more importantly, it has the role of aphrodisiac.Jujube is rich in a variety of vitamins, amino acids and trace elements, also contains triterpene compounds, with anti-fatigue effect, can improve the endurance of the human body.In addition, red dates are rich in cyclic adenosine phosphate, which has the function of dilating blood vessels, can provide nutrition for the heart muscle, can also improve the blood supply to the penis, increase the hardness of erection."Famous doctor don't record" in point out clearly, jujube can "firm bones and muscles, help Yin qi, make a person fat and healthy", the man that has sexual dysfunction eats some jujube to be able to raise sexual desire apparently.

Skin care beauty

Jujube is rich in vitamin C, also known as "active vitamin C pill", which can promote the secretion of adrenaline hormone and skin combination, not only increase skin resistance and elasticity, but also prevent skin vascular bleeding, face freckles, acne, oral ulcers, lip inflammation and other patients.Still can make skin melanin is synthesized reduce, promote the formation of collagen, make the skin is white and delicate, rich flexibility, have the effect that protects skin thereby hairdressing.

Anti-aging and anti-oxidation

The results showed that jujube polysaccharides could significantly reduce the atrophy of immune organs and the aging of brain in aging model mice, indicating that jujube polysaccharides had anti-aging effect.In addition, jujube extract can significantly increase the activity of superoxide dismutase (SOD) in the body and reduce the content of plasma (diaminodiphenylmethane (MDA), indicating that jujube extract has the function of scavenging oxygen free radicals and enhancing anti-lipid peroxidation.

Anticancer and anti-mutation

Jujube contains a variety of triglycoside compounds, among which, folic acid and phytic acid have been found to have anti-cancer activities and inhibit sarcoma s-180.Jujube rich in polysaccharides has obvious anti-cancer activity and promote the proliferation of lymphocytes, can control cell division and differentiation, regulate cell growth and aging.Triterpenoids and adenosine diphosphate also inhibit the growth and reproduction of cancer cells.The content of adenosine cyclophosphate in red jujube is rich and stable. Studies have shown that adenosine cyclophosphate is a physiological substance regulating cell proliferation and differentiation, which can enhance the immune function of human body, inhibit the growth of cancer cells, and has certain effects on preventing cancer and maintaining the function of human viscera.

Prevention of cardiovascular disease

Jujube contains rich vitamins, with the maintenance of capillary permeability, improve microcirculation, prevention and treatment of cerebral haemorrhage and capillary bleeding role, but also the treatment of hypertension, cardiovascular disease effective components.Flavonoids contained in jujube also has an obvious antihypertensive effect.Adenosine cyclophosphate in jujube can enhance myocardial contraction, expand coronary vessels, improve myocardial nutrition and inhibit platelet aggregation.Jujube contains nicotinic acid can also dilate blood vessels and reduce the content of cholesterol, so heart pain, hypercholesterolemia and atherosclerosis and other cardiovascular diseases have a good prevention and treatment.

Bacteriostasis and liver protection

It is reported that berberis alkali in jujube can inhibit a variety of bacteria and has antibacterial effect.Flavonoids of jujube can inhibit the production of oxygen free radicals in mice, reduce the activity of SOD and catalase (CAT), and increase the level of serum total protein and albumin.The experiment confirmed that the rabbits with liver injury of carbon tetrachloride were fed jujube decoction daily for 1 week, and the results showed that the total serum protein and albumin increased significantly compared with the control group, indicating that jujube had the effect of protecting the liver.

Clinical studies have found that jujube contains a large amount of cyclic adenosine phosphate (cAMP), which has an anti-allergic effect.In addition, ethyl - D- furan glucoside derivatives in Chinese date have anti - tryptophan and histamine.Jujube contains an active ingredient that can regulate the endocrine system. Eating jujube can increase the ratio of cyclic adenosine phosphate (cAMP) and cyclic guanosine phosphate (cGMP) in the white blood cells, improve the anti-allergy, inhibit the release of leukotriene, and play the role of inhibiting allergy.

Enhance immunity and fatigue

Jujube contains a lot of carbohydrate and a variety of vitamins, with a strong tonic effect.Studies have shown that jujube can significantly improve the phagocytic function of mouse macrophages, increase and restore the decrease of leukocyte and platelet content caused by cyclophosphamide, and jujube polysaccharide can promote the proliferation of lymphocytes, so jujube has the effect of enhancing immunity.Pharmacological research found that jujube has anti - fatigue effect, can enhance human endurance.

Supplementary nutrients

Jujube is rich in calcium and iron, they have an important role in the prevention and treatment of osteoporosis anemia, middle-aged and elderly menopause often osteoporosis, at the peak of growth and development of adolescents and women prone to anemia, jujube for them will have a very ideal effect of dietary therapy, its effect is usually not comparable to drugs.

The inhibition of central

Studies have proved that benzaldehyde glycoside, naringin, flavone-diglucoside and so on in jujube have certain inhibitory effect on central nervous system, and have the effect of antihypertensive, sedative and anticonvulsive.

 


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