General, Extraction, Project, Production, Product, Market, Functions, Report, Applications, Company Profiles
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Tagetes is a genus of 52 species of annual and perennial herbaceous
plants in the daisy family. Tagetes is an annual herb up to 60 cm high
with soft, oval, pale leaves and bright orange daisy-like flowers.
Tagetes is an ingredient of many foot treatment preparations and is also
used extensively in French perfumes.
The tagetes essential oil is obtained by steam distillation from the
fresh flowering herb and also an absolute by solvent extraction from the
- Tagetes oil is
extracted from the leaves, stalks and flowers, picked when the seeds are
just starting to form.
- Flowers were
continuously extracted with light petroleum (bp. 40-60°C) using a Soxhlet
apparatus. The solvent was removed under vacuum. Extraction of the
brownish residue was with steam distilled, gave the tagetes oil.
Four major extraction technologies
are used predominantly in the extraction of tagetes essential oils are
distillation, solvent extraction,
pressing and carbon dioxide (super critical) extraction.
- Tagetes is native to
South America and Mexico, but now grows wild in Africa, Europe, Asia,
and North America. The oil is produced mainly in South Africa, France,
Argentina and Egypt.
- Tagetes minuta is a
native plant in Argentina and is known as suico or chinchilla and has
been used in popular as anthelmintic, diuretic, antispasmodic and to
treat stomach and intestinal diseases
Cutting starts when plants reach a height of 1m, if the crop has too
dense a sowing rate the plants would compete for sunlight producing too
much stem and not enough flower. The Mexican Marigold will not
hybridise under its current growing sitatuion due to the diversity of
the genetic pool. Tagete Mantuta is grown as a part of a three year crop
rotation to minimise disease problems Maize year 1, Wheat year 2, Tagette year 3
- Tagetes oil is valuable
in keeping insects at bay, and can help with parasitic and fungal
infestation. It could help with chest infections, coughs and catarrh,
dilating the bronchi, facilitating the flow of mucus and dislodging
- Tagetes oil is useful
in cases of skin infections, and has a healing effect on wound, cuts,
calluses and bunions.
- Tagetes minuta oil is
in great demand as finds application in tobacco flavouring, medicinal use,
in agarbattis and also used by pharmaceutical companies.
- Essential oil of
Tagetes minuta is used by pharmaceutical companies for preparing value
minuta is an introduced weed which
grows mainly in the first few years on reverted cultivated land. Test
distillations should be done with samples sent to potential buyers.
Extraction rates are normally 0.1-0.4%. If the material is
situated reasonably close to a still and can be collected economically,
the variable costs are low and production can be profitable. The world
market offtake is around 15 tons p.a. and prices are $50/kg and on an
Africa’s market share of the global market for aromatic
oils is less than 1%. The essential oil sector of this market was
estimated by one source as at some $US 13.2 billion. Another quoted the
global market at $US 18 billion for the same period. China was the
world’s leading producer of essential oils at just less than 17 000 tons
and the quoted that the only African country amongst the top
producers at 210 tons for the same period.
- Tagetes minuta
is an annual, herbaceous essential oil plant. Tagetes minuta oil finds a
good market as an ingredient in the perfumery and flavor industries. The
oil has been reported to show 100% inhibitory effect on Gram + bacteria,
95% inhibitory effect on Gram - bacteria and 100% inhibitory effect on
fungi and also ocimenone at a concentration of 40 ppm as found to cause
100% mortality of mosquito larvae.
- The New World peoples
have been using Tagetes minuta as a flavorful beverage, a medicinal tea,
and a condiment since pre-contact times. A beverage is prepared from
Tagetes minuta by steeping a half-handful of the dried plant in hot
water for 3 to 5 min.
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