Walnut Tree: Uses, herbal medicine, Synonyms, Effects, and Side Effects

Walnut Tree Uses, herbal medicine, Synonyms, Effects, and Side Effects

The walnut tree is native to Southeastern Europe, China, and Central Asia, stretching from Asia Minor to northern India. The tree is now grown in North Africa, North America, East Asia and Europe. The leaf material comes from imports from Eastern and Southeastern European countries.

Walnut tree in herbal medicine

In herbal medicine, the entire leaves of the walnut tree (Juglandis folium), which have been freed from the spindle and have natural edges, and more rarely, the outer fruit shells (Juglandis fructus cortex) are used.


Walnut tree: unique characteristics

Walnut trees grow between 10 and 25 m in height. They have large, imparipinnate leaves that are first reddish and later green. The female flowers hang in twos or threes at the ends of the branches, while the males hang down in long catkins.

An initially smooth green shell surrounds the Walnut; the body turns brown later. Inside the hard Walnut are the brown, cartilaginous cotyledons, edible and a popular ingredient for mueslis, cakes, salads and many other dishes. Black walnut (Juglans nigra) and grey walnut (Juglans cinerea) nuts are also edible.

Walnut leaves as medicine.

The cut drug consists of brown-green, brittle and hairless leaf fragments on both sides. Small tufts of hair can only be seen on the underside of the leaves with a magnifying glass. You can also clearly see the leaf veins.

Walnut leaves give off a faintly aromatic smell. The taste of the leaves is slightly bitter, itchy and astringent.

Walnut tree – application

Walnut leaves have astringent and anti-inflammatory properties, which is why they are used externally in baths, douches and poultices for various skin conditions. These include, for example, the treatment of minor superficial wounds and inflammation of the skin, acne, fungal infections, sunburn and external ulcers. Walnuts can relieve the itching in the case of eczema (itchy skin) and an itchy scalp.

Other uses of walnut leaves

The astringent effect of the leaves is also used to reduce sweating in the event of abnormal sweating ( hyperhidrosis ) on the hands and feet.

More rarely, Walnut is used internally to treat skin diseases.


Walnut in folk medicine

In folk medicine, walnut leaves were discovered in ancient times as a remedy against worms and to promote digestion. Today, the drug is used for inflammation of the mucous membranes of the gastrointestinal tract and occasionally as a remedy for worm infections and blood purification.

Homeopathic use

In homoeopathic medicine, fresh leaves and fruit peels are used to treat purulent skin rashes, inflammation of the lymph nodes, headaches, liver disorders and diseases of the central nervous system.


Constituents of walnut leaves

The most important compounds in walnut leaves that determine the effectiveness are the tannins of the ellagitannin type, with a share of 10%, and the flavonoids, with a share of 3-4%. Other ingredients are juglone and hydroquinone, various phenolic acids such as caffeic and vanillic acid and essential oil (mainly germacrene D). The leaves also contain remarkable concentrations (0.85-1%) of ascorbic acid, i.e. pure vitamin C.

Walnut tree: indication

Possible uses of walnut leaves are:

  • skin inflammation
  • inflammation
  • Hautleiten
  • Acne
  • fungal infection
  • sunburn
  • skin ulcers
  • eczema
  • Itchy lichen
  • perspiration
  • excessive sweating
  • Hyperhidrosis

Walnut tree – dosage

Walnut leaves are mainly processed for external treatment in baths, conditioners, ointments and hair care products. 5 g of the drug can be boiled with 200 ml of water to prepare poultices and lotions. The leaves are in dragee form, and other drugs are in a few cold remedies for internal use. Walnut is also found in some tea blends.

Walnut – what dose?

The daily dose for poultices and partial baths is 2-3 g of the drug mixed with 100 ml of water.


Walnut tree: Preparation as a tea

To prepare tea, 1.5 g of the finely chopped walnut leaves (1 teaspoon corresponds to about 0.9 g) are mixed with cold water, boiled briefly and strained after 3-5 minutes. A cup of tea can be drunk 1-3 times a day to support the therapy of skin diseases.

special instructions

  • Especially with itchy itch in children, the combination with field pansy herbs for use in compresses, baths and washes can also achieve positive effects.
  • The drug should be stored dry and protected from light.

Walnut tree – synonyms

German plant name: Walnut

German synonyms of the plant: Walnut tree, Walnut, Natural Walnut, wall nut, Christ nut, corozo, Welsch nut tree, Wälsche nut

Latin plant name: Juglans regia L.

German drug name: walnut leaves

German synonyms of the drug: Nut leaves, walnut leaves

Latin drug name: Walnut leaf

Latin synonyms of the drug: Jugland leaves

English name: Walnut leaf (Droge); Walnut, Walnut tree, Common Walnut, English walnut, Persian Walnut, Black Sea Walnut, Carpathian Walnut, Madeira Walnut

Plant family Latin: Juglandaceae

Plant family German: walnut plants


Walnut tree – effect

Tannins form bonds with the proteins in the uppermost skin and tissue layers, resulting in hardening and compacting of the surfaces. As a result, the penetration of toxic substances and germs and the escape of liquid are made more difficult. Inflamed or injured areas are covered with a layer of clotting ingredients, which allows those areas to heal better.

Walnut leaves have this effect.

Overall, walnut leaves have astringent (astringent), anti-inflammatory and germ-inhibiting effects. Walnut has an anti-secretory impact on skin glands, which leads to reduced perspiration. In addition to the tanning agents, juglone and germacrene D also have antimicrobial properties.


Walnut tree: side effects

There are currently no known side effects or interactions with other agents. There are currently no contraindications either.

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