The orange peel is rough, 2-4 mm thick, light yellow, and easy to peel off. The capsule has 9-11 valves, the capsule wall is thick and tough, and the flesh is light yellow and white, with a very sour taste, often bitter. Or peculiar smell; seeds up to 40, broad ovate, plump, smooth, cotyledons milky white, single or multiple embryos. The flowering period is from April to May, and the fruiting period is from October to November. ?

Oranges are sweet, sour and slightly cool in nature. The fruit can be peeled and eaten fresh, and the pulp can be used as a seasoning or add-on to other foods. Fresh orange fruits are rich in vitamin C, vitamin P and organic acids, which can protect cells, enhance white blood cell activity, resist free radicals, have a significant regulatory effect on human metabolism, and enhance the body's resistance.

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Purchasing tips

Orange purchasing tips: First of all, the smoother the oranges, the better. Imported oranges often have more holes in the skin. , are relatively rough, while oranges that have been "beautified" are very smooth with almost no holes; secondly, before buying, you can use a white napkin, preferably a wet paper towel, to wipe the surface of the fruit. If it is pigmented, it will usually Leave color on the napkin.

Oranges have a long history of cultivation, and their peel contains aromatic smell. The ancients used it as a substitute for incense. Seeds of this genus are found in ancient tomb artifacts from the Western Han Dynasty unearthed at Mawangdui on the outskirts of Changsha, Hunan Province. According to research, they are believed to be the seeds of oranges - which are thicker and slightly angular and have turned gray-black in color - and are considered to be one of the materials used as incense for burials and to preserve the integrity of corpses.

Baidu Encyclopedia-Orange