What kind of fruit is olive? Speaking of olives, I believe many people don't know what olives are. In fact, olives are also called olives, which are common fruits in life. Its nutritional value is very high. Let's learn what kind of fruit olives are.
What kind of fruit is olive? Photo 1 Olive alias Olive, White Olive and Sweet Olive. The source is the fruit of olives. Olive originated in southern China, and has been cultivated in Fujian, Taiwan Province, Guangdong, Guangxi, Yunnan, Japan and Malay Peninsula. They are wild in canyons and hillside forests below1300m above sea level, or cultivated in gardens and villages. Olive is a famous subtropical fruit tree. Cultivation has a long history, and there are records about olives in the ancient book Qi Yaomin.
Olives like warmth, and they need proper high temperature to grow vigorously during the growing period. The effect is good. The annual average temperature is above 20℃, which is most suitable for growing in areas without severe frost and freezing injury in winter. In winter, it can tolerate a short-term low temperature of MINUS 3℃, but when the temperature drops below 4℃, serious freezing damage will occur. Areas with rainfall of 1200- 1400 mm can grow normally.
Olive has wide adaptability to soil, and can be planted along rivers, hills, mountains, red and yellow soil and gravel soil, and can grow well as long as the soil layer is deep and well drained.
Olive is rich in nutrition, and its pulp contains protein, carbohydrate, fat, vitamin C and minerals such as calcium, phosphorus and iron, among which the content of vitamin C is 10 times that of apple and 5 times that of pear and peach, and the calcium content is also high, which is easy to be absorbed by human body.
What kind of fruit is olive? Fig. 2 efficacy and function of olives.
1, supplement nutrition
Olive is a delicious fruit with high nutritional value. People can absorb rich vitamins, C can also absorb some natural polysaccharides and fructose, and can also absorb trace elements such as calcium, phosphorus and iron, which can promote human metabolism and improve the function of multiple organs, which is of great benefit to maintaining human health.
2, anti-inflammatory sterilization
Olive fruit contains some natural medicinal components, especially alkaloids and phenols. After being absorbed by human body, these substances can destroy sensitive bacteria in human body and prevent inflammation caused by bacterial infection. It has a certain preventive effect on enteritis, gastritis and tracheitis that often appear in human body.
3. Prevention of hyperglycemia
Olive is a low-sugar fruit. After people eat olives, they can inhibit the absorption of carbohydrates, regulate human endocrine and accelerate the decomposition of carbohydrates in the body. It can keep the blood sugar index of human body normal and prevent hyperglycemia. People with diabetes and hyperglycemia in their lives can get better slowly by eating olives.
Taboo of green fruit
Olives have excellent edible efficacy and high nutritional value. There are many benefits for people to eat it, but people can't smoke and drink when eating olives, nor can they eat it with spicy food, otherwise it will do harm to human health, which is a taboo that people must pay attention to when eating olives.
What kind of fruit is olive? Fig. 3 Introduction of Tibetan olives
Tibetan olive, also known as olive, is a big tree, 20 meters high. Leaves alternate or nearly opposite, nearly leathery, ovoid or ovoid, 7 ~ 16 cm long and 3 ~ 8 cm wide, with both surfaces nearly hairless or slightly hairy below when young; Petiole is 1.5 ~ 3 cm long, with rust-colored pubescence, and sometimes there are two glands near the top. Panicle terminal, composed of several spikes, inflorescence axis hairy; Bracts strip, hairy; Flowers bisexual, sessile; Calyx cup-shaped, about 2 mm long, 5-lobed, with triangular lobes, glabrous outside and long brown hair inside; No petals; Stamens10; Ovary inferior, 1 room, hairy or later glabrous. The drupe is oval or nearly oval, shaped like an olive, 2.5 ~ 3.5 cm long and 2 ~ 2.5 cm wide. It is black at maturity, produced in southwest Yunnan and cultivated in southern Guangdong. India, Myanmar and Malaysia.
Morphological characteristics of Tibetan olive
Trees in primitive form, up to 30 meters high. Branches are nearly hairless, lenticels are slender, white or yellowish, and young branches are yellow-brown and tomentose. Leaves alternate or nearly opposite, petiole stout, long 1.8-2.3cm, with 2(-4) glands at the tip1.5 mm. Leaves are ovoid or ovoid, 7- 14cm long, 4.5-8.5cm wide, and the tip is short and sharp. Spikes are axillary or terminal, sometimes forming panicles; Flower bisexual; Calyx tube cup-shaped, light green with yellow, about 3.5 mm long, 5 teeth, about 65438 0 mm long, triangular, glabrous outside, yellow-brown fur inside; Petals missing; Stamens 10, higher than calyx, anthers small, oval; The ovary is inferior, 1 room, cylindrical, about 1mm long, hairy, dark brown when dry, and the style is long, thick and conical. Drupe, ovoid or ovoid, 2.4-4.5 cm long, 1.9-2.3 cm in diameter, blue, rough, hairless, brown when mature, usually with 5 blunt edges. It blooms in May and bears fruit in July-September. The difference between this variety and terminalia chebula is that the young branches and young leaf springs are copper-colored creeping villi; Bracts are too long for flowers, the calyx is hairless, and the fruit is oval, less than 2.5 cm long. The flowering period is from June to August, and the fruiting period is from August to June. Plant morphology: evergreen tree, 10~20m ~ 20m high. Pinnate compound leaves alternate; Leaflets 9 ~ 15, opposite, leathery, oblong-lanceolate, 6 ~ 19 cm long, 3 ~ 8 cm wide, tapering caudally at the top, with dimples on the lower reticular veins. Panicle terminal or axillary; Flowers small, bisexual or heterozygous; Calyx cup-shaped, 3-lobed; 3 ~ 5 petals, white and fragrant; Stamens 6, ovary superior, 3 locules, 2 ovules per locule. Drupe oval, about 3 cm long, blue and yellow. The flowering period is April-May, and the fruiting period is 8-65438+1October.
Olive distribution area in Tibet
Produced in southwestern Yunnan and cultivated in southern Guangdong; India, Myanmar and Malaysia.
Edible and medicinal value of Tibetan olive
Hu Hua medical information and health diet information. Com is for reference only and cannot be used as a basis for diagnosis and medical treatment. Any health problems should be consulted by professional medical staff, and any diseases should be treated according to the doctor's advice. The ultimate flower protection task: love yourself, proceed from reality and follow the doctor's advice. For the disease, don't be careless, don't delay, don't give up hope, face it bravely, warm the silent world with love, and care for the inner flower field with your heart.