Citrus species and their essential oils in traditional medicine

The genus Citrus L. (Fam. Rutaceae) contains a large number of species (more than 400) (INDEX Kewensis, 1997) along with innumerable varieties, cultivars, etc. All cultivated species probably derive from plants native to tropical and subtropical zones of Southeast Asia (). India would appear to be the original cradle of the Citrus genus. We find references to their usage in ancient Hindu medicine as Amara-Koscba () under the names Jambira (Citrus acida) and Nardnga (Citrus aurantium). The lemon is one of the remedies found in numerous treatises on Vedic-Brahminic medicine, the most important of which is the Susruta (1300 BC) (). According to Bretschneider (1871), the Pent’ ts’ao Rang Mu, a book of Materia medica that draws together knowledge dating back thousands of years BC and is considered a true Pharmacopoeia, includes the fruits of Citrus digitata and Citrus japonica in section IV/2 (Mountain fruits). Of the hundreds of species belonging to the Citrus genus, only a small number were extensively cultivated and acclimatised, initially in neighbouring countries and later, at the time of the conquests of Alexander the Great (330 BC), also in Greece and Palestine. There is reliable documentation of the use Read more […]

Citrus in Traditional Medicine

Citrus in traditional Asiatic medicine In a comparative study of the use of herbal drugs in the traditional medicines of India and Europe, Pun () found a marked similarity between the drugs used in the two continents. He attributed this not only to the similarity of the vegetation in the two areas, but also to the influence that traditional Indian medicine, in particular the Atherveda, one of the most ancient repositories of human knowledge, had on Egypt, Greece and Rome. He listed the principal uses of a small number of these drugs, including bitter orange peel, which in India is used as an aromatic, stomachic, tonic, astringent and carminative agent, and lemon, which is used as a flavouring and for its carminative and stomachic effects. In the Valmiki-Ramayana, written after the Vedas and one of the most sacred of all religious books which enumerates the virtues of the medicinal plants that Lord Rama (Vishnu) met during his fourteen-year journey around different parts of India, Karnick and Hocking () identified and listed fifty of these drugs with their use as described in the Ayurvedica (or native Indian) system of medicine. The immature fruit of Citrus aurantifolia (Christm) Swingle was used as an fortifier, Read more […]