Common Name: Aniseed

General Information

Pimpinella anisum is an erect, branched, annual plant growing 40 - 60cm tall.
The plant has a very long history of herbal and culinary use, and is often cultivated for its edible and medicinal seed in warm temperate to tropical zones[, ].

Known Hazards

None known

Botanical References

,

Range

S. Europe - Greece.

Habitat

Not known in a truly wild situation.

Properties

Edibility Rating
Medicinal Rating
Other Uses Rating
Habit	Annual
Height	0.45 m
Pollinators	Insects
Self-fertile	Yes
Cultivation Status	Cultivated, Wild

Cultivation Details

Aniseed can be grown from the temperate zone to the tropics so long as there is a growing season of at least 5 - 6 months[]. It does not do very well at low elevations in the tropics[]. It grows best in areas where annual daytime temperatures are within the range 18 - 26°c, but can tolerate 5 - 30°c[]. The plant can survive temperatures down to about -7°c[]. It prefers a mean annual rainfall in the range 900 - 1,300mm, but tolerates 600 - 1,700mm[].
Succeeds in ordinary garden soil[] but prefers a fairly rich warm well-drained light soil in a sunny position[, , , ]. Prefers a pH in the range 6.5 - 7, tolerating 6 - 7.3[].
An optimum yield of seed is 1.5 tonnes per hectare[].
Plants strongly resent root disturbance and should not be transplanted.
A good companion plant in the garden, its aromatic nature helping to keep nearby plants free of aphis etc. Its flowers attract parasitic wasps to the garden and these prey on a large number of garden pests[]. Aniseed grows especially well with coriander[, , ].

Edible Uses

Young leaves - raw or cooked[, , , , ]. The leaves have a sweet aniseed flavour, they are very refreshing to chew and are also nice as a flavouring in salads, puddings, soups, stews etc[, ]. When adding to cooked dishes, only add the leaves for the last few minutes of the cooking or the flavour will be lost[].

The aromatic seed is eaten raw or used as a flavouring in raw or cooked foods such as soups, pies, bread and cakes[, , , , , , ]. A distinctive sweet liquorice flavour[], its use improves the body's ability to digest food[]. The seed is harvested by cutting the whole plant when the seed is ripe. The plants are then kept in a warm, dry position for a week and then threshed to remove the seeds. Store the seeds in the dark in an airtight jar[].

An essential oil from the seed is used as a food flavouring in sweets (especially aniseed balls) ice cream, chewing gum, pickles etc[, , ]. It is also often used to flavour alcoholic drinks such as Pernod, ouzo and anisette[, ].

The leaves and the seeds can be brewed into a sweet liquorice-like tea[].

Medicinal

Aniseed has a delicious sweet liquorice-like flavour and is a commonly used and very safe herbal remedy that is well suited for all age groups from children to the elderly. However, its use has declined in recent years with the advent of cheaper substitutes such as Illicium verrum and synthetic substances[]. It is a particularly useful tonic to the whole digestive system and its antispasmodic and expectorant effects make it of value in the treatment of various respiratory problems[]. The seed is the part used, generally in the form of an extracted essential oil[]. The essential oil comprises 70 - 90% anethole, which has an observed oestrogenic effect whilst the seed is also mildly oestrogenic[]. This effect may substantiate the herb's use as a stimulant of sexual drive and of breast-milk production[].
The essential oil should not be used internally unless under professional supervision whilst the seeds are best not used medicinally by pregnant women, though normal culinary quantities are quite safe[].

The seed is antiseptic, antispasmodic, aromatic, carminative, digestive, expectorant, pectoral, stimulant, stomachic and tonic[, , , , , , , ]. It is of great value when taken internally in the treatment of asthma, whooping couch, coughs and pectoral affections as well as digestive disorders such as wind, bloating, colic, nausea and indigestion[, ].
Externally it is used to treat infestations of lice, scabies and as a chest rub in cases of bronchial disorders[]. A strong decoction of the seeds can be applied externally to swollen breasts or to stimulate the flow of milk[].

Other Uses

An essential oil is obtained from the seed, used in perfumery, tooth pastes, medicinally and as a food flavouring[, ].
An essential oil obtained from the ripe seed is used as an ingredient in commercial cosmetic preparations as a flavouring, masking agent and perfume[].

An extract of the seed is used as an ingredient in commercial cosmetic preparations as an astringent, masking agent and skin conditioner[].

The powdered seed can be used as a dentifrice and mouthwash[].

The plant is an ingredient of potpourri.

The plant can be used as an insect repellent but it is also said to attract mice[]. If aniseed oil is liberally smeared around live-traps it can attract mice and other rodents into them[, ]. The plants seem to be immune to the predations of slugs and snails and can help to protect neighbouring plants[]. A spray made by boiling of one part coriander leaves and one part anise seeds in two parts of water is very effective against red spider mites and woolly aphids[].

Propagation

Seed - sow in situ.

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