1, grapefruit belongs to citrus fruit. Citrus fruits are generally divided into four categories, namely citrus, orange, orange and grapefruit, and can also be divided into 27 categories of fruits such as lemon, Liu Ding and grapefruit. Common citrus varieties include arrow leaf orange, Mexican lemon, navel orange and Mediterranean red orange.

2. Grapefruit is a citrus plant of Rutaceae, which is native to Southeast Asia. At present, it has been planted in Guangdong, Guangxi, Taiwan Province, Fujian and Hunan provinces.

3. Grapefruit has been cultivated in China for more than 3000 years. In the 3rd ~ 4th century BC, oranges and pomelos planted along the Yangtze River were chosen as tributes.

4. When storing grapefruit, it is recommended to place it in a cool, dry and ventilated place to prevent water loss of grapefruit and pay attention to avoid sun exposure.