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What foods can be preserved for a long time at room temperature?
Fruits and vegetables include radishes, carrots, cabbages, potatoes, onions, apples and pears. , are storable food, suitable for balcony. The smaller the root vegetables such as potatoes, the higher the vitamin C content. Can be stored in paper bags to prevent excessive light and oxygen from destroying vitamin C.

Eggs can generally be kept for about a month, but they can't be kept for about 10~ 15 days in summer in beginning of autumn.

First of all, briefly introduce radish:

Radish (scientific name: radish? L) Radish in Cruciferae is biennial or millet, with a height of 20- 100 cm, fleshy straight roots, oblong, spherical or conical, green, white or red peel, branched stems, hairless and slightly frosty. The raceme is terminal and axillary, with white or pink flowers and a pedicel length of 1- 1.5 cm. The flowering period is April-May and the fruiting period is May-June. ?

Historical research The original species of radish originated from wild radish on the warm coast of Europe and Asia. Radish is one of the oldest cultivated crops in the world. As early as 4,500 years ago, radish has become an important food in Egypt. Widely cultivated in all parts of China.

Radish roots are eaten as vegetables; Seeds, fresh roots, withered roots and leaves are all used as medicine. Seeds can help digest and eliminate phlegm. Fresh roots can quench thirst and help digestion. Dry roots help defecation. Leaves can cure early dysentery and prevent dysentery. Seeds can be used in oil extraction industry and food.

Second, a brief introduction to Chinese cabbage:

Chinese cabbage (scientific name: Chinese cabbage? (Lour。 )Rupr。 ) is a biennial herb of Cruciferae, with a height of 60 cm. The whole plant is hairless, with many basal leaves, large leaves, obovate oblong to broadly obovate, and blunt top;

The edge is wrinkled, the petiole is white and flat, the flowers are bright yellow, the sepals are oblong or ovate-lanceolate, erect, light green to yellow; Petals obovate, pedicels spreading or ascending, seeds spherical and brown. It blooms in May and bears fruit in June.

Originated in North China, it is widely cultivated in various places. Chinese cabbage is the main vegetable in winter and spring in Northeast China and North China. Raw food, fried, salted, sauce stains can be; Leaves falling off the outer layer can be used as feed. Chinese cabbage has many varieties, rich nutrition and certain medicinal value.

Third, the potato profile:

The scientific name of potato is potato, and the Latin name is Solanum tuberosum L. "Potato" is a general term. In some areas, potatoes are called potatoes (potato is plural), and in France, potatoes are called "underground apples".

Four, onion introduction:

Onion (scientific name: onion? It is a perennial herb of Liliaceae and Allium. Bulbs are thick and subglobose; Paper to thin leathery, endothelial hypertrophy, fleshy, cylindrical and hollow leaves, thickest below the middle, tapering upward, shorter than scape, stout scape, up to 65,438 0 meters, umbelliform, with many and dense flowers;

Pollen white; Tepals have green midvein, oblong-ovoid, filaments of equal length, nearly spherical ovary, and concave honey holes with curtains at the base of abdominal suture; Flowering and fruiting in May-July.

Brief introduction of verb (verb) carrot:

Carrots (scientific name: Daucus carota? Alfalfa), also known as carrot or Ganxun, is a variety of wild carrot (scientific name: Daucus carota l.var. Carota). The difference between this variety and the original variety is that the root is fleshy, rectangular and conical, thick and fat, red or yellow.

References:

Baidu encyclopedia radish

Baidu encyclopedia cabbage

Baidu encyclopedia potato

Baidu encyclopedia onion

Baidu encyclopedia carrot