The lemon or yellow lemon is a citrus fruit, a fruit of the lemon tree, the juice of which has a pH of 2,5. The lemon tree Citrus silt is a shrub of 5 10 meters away from high, evergreen, of the family of Rutacées. This ripe mature fruit has a bark which goes of the soft green in yellow brilliant under the effect of the cold. The maturity is at the end of autumn and early winter in the north hemisphere. His her,its flesh is juicy, acid and rich in vitamin C, what is worth to him her - with its easy preservation - having been broadcast diffused on all the planet by the sailors browsers who use him it to warn prevent the scurvy. Of the bark we extract an essential oil which contains among others substances of the limonène and the citral.
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