Flowering plant also called "golden sheaf", "solidago" or "solidage", the goldenrod grows on freshwater shores, in bogs, on mountain tops, in forests, fields. sandy, on maritime shores, roadsides and even in the undergrowth.
Whether in Europe or North America, there are around 125 species of goldenrod that have been recognized for nearly 250 years.
A plant whose origins come from Asia and Europe, the golden sheaf has over time adapted to other environments including the wastelands, wide open spaces and hills of North America.
A perennial herb, the goldenrod measures between 70 centimeters and 1 meter in height. Its stems bear flowers in golden yellow feather duster and are branched. As for its leaves, they are toothed and its rhizome stem has a purplish red color. Its fruits are yellowish in color and topped with a crest of hairs.
In Europe, this plant flowers particularly in dry woods and clearings at the end of the summer period.
Used over the centuries and in various cultures, the golden sheaf was recommended to treat several ailments. Which ? Why ? And how ?
Through the lines that follow we will briefly discuss the essential points, relating to the virtues and benefits of Solidago, but also, the dosage suitable for the treatment of the ailments identified.
Goldenrod, solidago: for the record
It is since the Middle Ages in Europe that the goldenrod has been recognized as having healing properties for treating colds and lung diseases.
But, living in a geographically more distant environment, the Amerindian peoples had also noted the therapeutic attributes of this perennial plant since they used it to relieve insect bites, lower fever, treat pectoral pain, throat and even toothache.
Nowadays, the therapeutic virtues of solidago have even been exploited to strengthen the renal system and treat certain urinary infections.
There are various varieties of goldenrod in France, including Solidago gigantea, Solidago canadensis (or Canadian goldenrod), Solidago virgaurea, all of which are sought after in medicine.
Goldenrod, solidago: virtues and health benefits
By its etymological definition, the scientific word of Solidago comes from the Latin which means “I make whole”, “I consolidate” in allusion to its ability to promote healing of wounds.
In herbal medicine, these are the leaves, flowers and stem of this plant from the
Asteraceae that are used.
Indeed, this plant whose taste of its honey is reminiscent of that of buckwheat and clover honey contains active ingredients including:
- saponosides with foaming properties, which have a positive effect on the permeability of cell membranes. They give the goldenrod its expectorant and antimycotic action,
- essential oil,
- diterpenes known to be anti-inflammatory and antimicrobial,
- phenolic acids with antioxidant properties which can thus prevent the onset of cardiovascular diseases, cancers and ailments linked to aging,
- tannins which are natural substances that can promote the production of proteins,
- 1 to 2% of vitamin P type flavonoids which are anti-oxidant and anti-inflammatory. This substance is particularly used in Germany for the treatment of varicose veins.
Even more, we note for the goldenrod, the diuretic properties that promote the treatment of kidney disease by regulating it.
In some cases, Solidago is used:
- as a preventive measure for lung diseases, yeast infections (from fungi responsible for vaginal infections), gastrointestinal disorders,
- curative to facilitate the healing of wounds thanks to its astringent properties.
Today in Europe, the attributes of goldenrod are diverse: sudorific, pectoral, stimulating, aperitif, carminative and tonic, this plant is even recommended in cases of nausea, diarrhea, enteritis, biliary diseases, kidney disease (nephritis, oliguria, kidney stones, albuminuria, cystitis, colibacillosis) and enterocolitis.
Uses and dosages of goldenrod, solidago
Generally, Solidago is used in the form of syrups and herbal teas.
> For the preparation of the syrup:
Bring 1L of water to a boil. Add 100 grams of flowering herbs and let them boil for 10 minutes. Then, let stand for 12 hours before filtering. To sweeten, add 1.5 kg of sugar then return to the heat until the sugar is completely dissolved. The goldenrod syrup thus formed can be stored in a refrigerator. As for the dosage, we recommend taking 1 tablespoon of syrup every hour.
> For the preparation of the infusion:
Measure and pour into a suitable container, 1 or 2 tablespoons of dried goldenrod. Add 1 liter of cold water then bring everything to the boil for 2 minutes. Let the herbal tea sit for ten minutes before drinking it, preferably between meals.
This herbal tea can be taken in case of ulcers or applied externally to insect bites, wounds and other skin infections.
Good to know about the Goldenrod
Some species of Solidago are said to contain anti-tumor properties. With this in mind, scientific research is underway to find a treatment against cancer.
Goldenrod infusion is strongly not recommended for people with heart problems, chronic kidney disease or pulmonary edema.
Although no adverse effects or interactions with other drugs or medicinal plants have been noted, it is strictly not recommended for pregnant and breastfeeding women, especially in the form of essential oil.
Practical tips / tricks about solidago
The preparation of syrups and infusions must be done under the best hygienic conditions.
In order to fully enjoy the virtues and benefits of solidage, it is advisable to respect the conditions of use and the dosage.
If you are in doubt, do not hesitate to consult your doctor and / or ask your pharmacist for advice.