Introduction of English Walnut leaf:Caucasian walnut or Circassian walnut.
✵The article gives records of the herb English Walnut leaf, its English name, Latin name, common names, property and flavor, its botanical source one plant species, ①.Juglans regia L., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb English Walnut leaf, its pharmacological actions, medicinal efficacy, and administration guide.
English Walnut leaf(Caucasian walnut).
English Name: English Walnut leaf.
Latin Name: Juglans regia L.
Common Names: Caucasian walnut, Circassian walnut, English walnut, Persian walnut.
Property and flavor: The leaves are aromatic when rubbed, the taste is bitter.
Brief introduction: The dried, lance-shaped leaves of the English walnut, a stately tree cultivated throughout North America and many other parts of the world, are used medicinally. They taste harsh and rather bitter. The flowering trees also bear a smooth, nutlike fruit.
Botanical source: Common herbal classics defined the herb English Walnut leaf as leaves of the species (1). Juglans regia L. It is a plant species of the Juglans genus, the Juglandaceae family (walnut family). The leaves and kernels are used medicinally. These commonly used species are introduced:
(1).Juglans regia L.
Botanical description: Juglans regia grows up to 25 meters and has a broad, loose-branched crown. The bark is smooth and ash gray at first, later dark and fissured. The leaves are large, long-petioled, odd-pinnate with 7 to 9 oblong or ovate, entire-edge leaflets. The leaflets are spotted with glands when young. The terminal leaflets are the largest and are petiolate.
The flowers are green and appear before the leaves. They are monoecious. The male flowers are 10 cm long, sessile, globular-cylindrical, limp, and hanging catkins. The female flowers are in groups of 1 to 3 at the tip of annual growth. They are greenish with a glandular-pubescent calyx and 2 large, curved, warty, reddish stigmas. The fruit is globular or oblong-globular with a smooth, green, white-spotted outer shell and a wooden, wrinkled inner shell.
Ecological environment: The walnut is indigenous to the Middle East and Iran. Today, it is cultivated in many regions.
Growth characteristics: Walnut is light-loving, cold-resistant, drought-resistant, disease-resistant, and adaptable to a variety of soil growth. It likes fertile and moist sandy loam and water and fertilizer. At the same time, it is not strict with water and fertilizer. It is not suitable for pruning after falling leaves and before germination, which is easy to cause bleeding. It is suitable for most soil and prefers lime-loving soil, it often grows in common in deep soil layers on both sides of mountain valleys.
Walnut leaves contain abundant amounts of tannin, an astringent substance, the traditional use for skin inflammations and wounds is explained, tannins could constrict tissue, reducing oozing, weeping, and bleeding, protecting the skin. In Europe, the English walnut leaves are used externally for mild, superficial inflammation of the skin as well as excessive sweating of the hands, feet, and other parts of the body. The component juglone and essential oil are astringent, thus the walnut leaf could be used for fungal skin infections such as ringworm. Juglone inhibit numerous oral bacteria, and it can be used to control infectious diseases in the mouth, it also inhibits certain types of tumors in lab animal.
Medicinal efficacy: English walnut leaf is traditionally used as an astringent for skin disorders from chronic eczema to acne, eczema, ulcers, scrofula, inflammation of the eyelids, fungal infections, redness and inflammation of dermatitis. Infusions of the leaves were used internally for diarrhea, worms, and fungal infections. In Europe, the herb is approved for inflammation of the skin, and excessive perspiration.
Administration of English Walnut leaf (Caucasian walnut):
Administration Guide of English Walnut leaf (Caucasian walnut)
Herbal classic books:
A decoction for external use is made with 5 teaspoons of chopped leaf in 200 ml water and is applied three or four times per day. The average daily dose for external use is 3 to 6 grams of herb. An infusion is prepared by using 1.5 grams of finely cut herb, soaked in cold water, brought to simmer, and strained after 3 to 5 minutes.
Contraindications, Precautions and Adverse Reactions: There are no serious adverse reactions to English walnut leaf preparations, and no health hazards or side effects are known in conjunction with the proper administration of designated therapeutic dosages.
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1.Introduction of English Walnut leaf:Caucasian walnut or Circassian walnut.