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Coriander, scientifically Coriandrum sativum, is an ancient medicinal plant that has been valued in various cultures around the world for thousands of years. Archaeological finds prove that it was already used in ancient times by the Egyptians, Romans and Chinese. This versatile plant not only offers a distinctive flavor in the kitchen, but also numerous health benefits. This article describes its discovery, use, dosage, health effects and possible side effects in detail.

Coriander: the discovery

The exact origin is difficult to determine, but the plant is thought to have originated in the eastern Mediterranean. Historical records show that it was found in Egyptian pharaonic tombs more than 5000 years ago. The ancient Romans and Greeks valued it both as a spice and as a medicine. In the Middle Ages, it spread further east and west through trade and voyages of discovery and found its way into traditional Chinese and Indian medicine.

Coriander: forms and dosage

It can be taken in various forms: fresh leaves, dried seeds, coriander oil and coriander powder. Each form has its own areas of application and dosage recommendations:

  • Fresh leaves: Often used in salads, sauces and as a garnish. A typical serving is about a handful or 10-20 grams per day.
  • Dried seeds: Used as a spice in cooking or as a tea. The usual daily dose is about 1-2 teaspoons (3-5 grams).
  • Coriander oil: Often used in aromatherapy or externally for skin problems. Dilute 1-3 drops in a carrier oil and apply to the skin or use in a fragrance lamp.
  • Coriander powder: Can be taken in capsules or mixed with meals. The recommended dose is 1-2 teaspoons (3-6 g) per day.

Health benefits and effects

Coriander has numerous health benefits due to its high content of antioxidants, vitamins and minerals. The most important health effects are:

  • Detoxification of the body: it can help to remove heavy metals such as mercury and lead from the body. This detoxifying effect is due to the chelating agents contained in coriander, which bind heavy metals and promote their elimination.
  • Digestive support: It stimulates digestion and can alleviate digestive complaints such as flatulence, bloating and irritable bowel syndrome (IBS). The essential oils it contains have a calming effect on the gastrointestinal tract.
  • Antimicrobial properties: It has strong antimicrobial properties that are effective against various bacteria and fungi. This makes it a useful remedy for treating infections and improving oral hygiene.
  • Anti-inflammatory: The anti-inflammatory properties can be helpful in chronic inflammatory diseases such as arthritis and inflammatory bowel disease.
  • Regulating blood sugar levels: Studies have shown that it can lower blood sugar levels, making it particularly useful for diabetics.

When should coriander be used?

It should be regularly included in the diet as a preventative measure to make the most of its health-promoting properties. Coriander is particularly useful for people with:

  • Digestive problems
  • Inflammatory diseases
  • Exposure to heavy metals
  • Diabetes or insulin resistance
  • Infections

Contraindications and precautions

Despite its many benefits, coriander is not suitable for everyone. Certain people should avoid it or only use it after consulting their doctor:

  • Pregnant women: High doses can trigger contractions of the uterus and should be avoided.
  • Allergy sufferers: People who are allergic to coriander or related plants such as dill or fennel should avoid it.
  • People with low blood pressure: It can lower blood pressure, so people with low blood pressure should be careful.

Food supplements and medicinal plants

Coriander can be combined with other medicinal plants and supplements to enhance its health-promoting effects. These include:

  • Turmeric: Also has anti-inflammatory and antioxidant properties.
  • Ginger: Promotes digestion and has an anti-inflammatory effect.
  • Garlic: Has strong antimicrobial and immune-boosting properties.
  • Zinc: Supports the immune system and detoxification.
  • Chlorella: An algae that also helps detoxify heavy metals.

Coriander in food

It is found in many foods and dishes, particularly in Indian, Thai, Mexican and Mediterranean cuisine. Typical foods that are rich in coriander are

  • Salsa and guacamole
  • Curries and chutneys
  • Soups and stews
  • Salads and dressings
  • Marinades and sauces

Side effects and overdose

Although coriander is generally considered safe, some people may experience side effects, especially at high doses. Possible side effects include:

  • Allergic reactions: Skin rash, itching and breathing difficulties.
  • Gastrointestinal complaints: Nausea, vomiting, diarrhea.
  • Low blood pressure: Excessive consumption can lead to dangerously low blood pressure.

Overdose is rare, but it is important not to exceed the recommended dosage to avoid possible side effects.

Coriander in naturopathy

In naturopathy, it is often used in detoxification cures and to aid digestion. It can be taken as a tea, tincture or capsule and is often used in combination with other detoxifying herbs.


Coriander is an amazing plant with a long history of medicinal uses. Its many forms and uses make it a valuable part of a healthy diet and a treasure trove of natural remedies. Dosed correctly and used consciously, it can help with many health problems and promote general well-being. However, despite its many benefits, caution is advised for some people.

Published on: 11. July 2024


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