The fallen leaves of Camellia are still evergreen.
Camellia is a small evergreen broad-leaved tree with smooth bark and grayish brown. Its nature likes cold and humid climate and is not resistant to high temperature. It is distributed in some alpine areas of a few provinces and counties in the south of China.
I. the main products of camellia
Camellia fruit: Camellia fruit, commonly known as camellia seed, camellia seed, spherical, peach-shaped, can extract important natural green organic health edible oil-camellia oil. Camellia blossoms in autumn and bears fruit. Every year "Cold Dew" or "Frosts Descent" mature.
Second, the use of camellia
1. Used as edible oil: tea oil is a unique traditional edible vegetable oil in China, and its production and development has a long history. According to the Shanhai Classic in the third century BC, "member wood, oil food in the south". The so-called "member wood" here is Camellia oleifera.
two。 Used in the cosmetics industry: the study of camellia oil found that it is rich in oleic acid glycerol, has a certain stability to acidification, is not easy to oxidize and rancidity, and as a pure natural vegetable oil in the refining process, it can effectively restrain the acid value. And it can absorb ultraviolet rays to prevent skin from being burned by ultraviolet rays.
3. Used for the preparation of biofuels: Camellia oil contains triglycerides, and its fatty acid carbon chain is mainly C16 and C18, which is close to fossil diesel oil. Fatty acid methyl ester (i.e. the first generation biodiesel) can be formed by transesterification with methanol under the action of catalyst.
Third, the main distribution range of camellia.
It is distributed in some alpine areas of a few provinces and counties in the south of China. There are more than 300 varieties of camellia in China. Mass production has started in Jiangxi, Zhejiang, Fujian and Jiangsu. Between the rocks of Daluo Mountain in Ruian County, Wenzhou in the east of Zhejiang Province, which are 380m above sea level, there are also ancient camellia trees that are more than 1200 years old. Lichuan County and Fenyi County in Jiangxi Province and Momeishan Mountain in Sichuan Province all have the natural distribution of ancient tea trees which have been planted in the wild for more than 1000 years.
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