PDR for Herbal Medicines

(Barré) #1
710/SPEARMINT PDR FOR HERBAL MEDICINES

Leung AY, Encyclopedia of Common Natural Ingredients Used
in Food Drugs and Cosmetics. John Wiley & Sons Inc., New
York 1980.
Murray MJ et ah, (1972) Crop Sci 12:723.
Steinegger E, Hansel R, Pharmakognosie, 5. Aufl., Springer
Verlag Heidelberg 1992.
Subramanian SS. Nair AGR, (1972) Phytochemistry 11:452.
Teuscher E. Biogene Arzneimittel. 5. Aufl., Wiss. Verlagsges.
Stuttgart 1997.
Wichtl M (Hrsg.), Teedrogen. 4. Aufl., Wiss. Verlagsges.
Stuttgart 1997.

Speedwell


Veronica officinalis


DESCRIPTION
Medicinal Parts: The medicinal parts are the dried herb
collected during the flowering season, the fresh aerial parts
of the .flowering plant and the dried aerial^ parts collected
during the flowering season.

Flower and Fndt: The erect bright blue or lilac flowers are
in axillary, peduncled, spike-like racemes. The flowers are
small, pedicled and have 4 slightly fused sepals. The corolla
has a very short tube, is flatly splayed and has 4 uneven tips.
There are 2 stamens and 1 superior ovary. The fruit is a
triangular capsule narrowed at the base. The fruit chambers
each have 5 to 10 seeds. The seeds are about 1 mm long,
oval and flat; the back of the seed is smooth.

Leaves, Stem and Root: The plant is a 10 to 20 cm high
herbaceous perennial with runners that tend to form grass.
The root system consists mainly of shoot-producing roots.
The stem is creeping, and the flower-bearing branches are
erect. The whole plant is roughly pubescent. The leaves are
obovate-ovate, elliptical or oblong, short-petioled and
serrate.

Habitat: The plant is indigenous to almost all of Europe,
parts of Asia and North America. The sources of the drug are
Bulgaria, die former Yugoslavia and Hungary.

Production: Speedwell consists of the above-ground parts of
Veronica officinalis imported from Bulgaria, the former
Yugoslavia and Hungary. Only the flowering herb is
harvested (without roots or lower parts) and subsequently
dried fully in the shade before it is cut.

Not to be Confused With: Veronica chamaedrys or Veronica
allionii.


ACTIONS AND PHARMACOLOGY
COMPOUNDS
Iridoide monoterpenes (0.5-1.0%): including among others
aucubin, catalpol, catalpol esters (including among others
minecoside, verminoside, veronicoside), mussaenoside, 4
ladroside
Flavonoids (0.7%): including among others luteolin-7-O-
glucosides (cinaroside), 6-hydroxyluteolin-7-monoglucoside
Triterpene saponins (10%)
Cajfeic acid derivatives: chlorogenic acid (0.5%)
EFFECTS - .;..
Speedwell exhibits a protective effect against ulcers and
accelerates ulcer healing. Its use as an astringent in the
treatment of wounds and as a gargle for inflammations of the
mouth and throat is plausible because of the amaroid-like
properties of the drug.
INDICATIONS AND USAGE
Unproven Uses: Speedwell preparations are used for dis-
eases and discomfort of the respiratory, gastrointestinal and
lower urinary tracts. It is also used for the liver and kidneys,


  • and to treat gout, rheumatoid arthritis and rheumatic
    complaints.
    In addition, Speedwell is used internally to improve metabo-
    lism ("blood-purifying") and for nervous agitation. Exter-
    nally, the herb is used as a gargle for inflammation of the
    oral and pharyngeal mucosa, promotion of wound healing,
    chronic skin complaints, itching and sweating of the feet.
    PRECAUTIONS AND ADVERSE REACTIONS
    No health hazards or side effects are known in conjunction
    with the proper administration of designated therapeutic
    dosages.
    DOSAGE
    Mode of Administration: The herb is available as a whole,
    cut and powdered drug for internal and external use in
    compound preparations.
    Preparation: To prepare a tea, pour 1 cup of boiling water
    over 1.5 gm of drug (1 gm is approximately 1 teaspopnful).
    For the preparation of external lavages and compresses for
    ulcers, wounds and eczema, add 1 handful of drug tol liter of
    water and boil for 10 minutes.
    Daily Dosage: The average single dose is 1.5 gm of drug.
    The dose of the tea (used as an expectorant) is 1 cup taken 2
    to 3 times daily.
    Storage: Speedwell must be protected from light sources.
    LITERATURE
    Afifi-Yazar F, Sticher O, (1980) Helv Chim Acta 63:1905.
    Afifi-Yazar FU et al., Helv Chim Acta 64:16. 1981.

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