Saw palmetto

Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

All authors of this article

Last updated on: 03.02.2025

Dieser Artikel auf Deutsch

Synonym(s)

serenoa repens; Serenoa serrulata

Definition
This section has been translated automatically.

Serenoa repens, the saw palmetto plant, is found in larger stands, especially in the south-east of the USA. The saw palmetto is a bush palm up to 3 m tall with blue-green, fan-shaped leaves with saw-like, fine teeth. The small flowers produce up to 3 cm long, olive-like, dark, almost black fruits, Sabalis serrulatae fructus, which are then dried and used phytotherapeutically.

The extract from the fruits of the saw palmetto is used in cosmetics, Seronoa serrolata extract.

General information
This section has been translated automatically.

The saw palmetto is a fan palm that grows like a bush, reaching heights of up to three metres. The stems of the plant grow underground or lying on the ground, rarely upright.

The leaves of the saw palmetto are fan-shaped, their leaf sheath enlarging into a mat of dark brown fibers. Its inflorescences stand between the foliage leaves and grow erect. The flowers are white and fragrant. They reach a size of about 5 mm. The fruit is a spherical drupe about 2 cm long.

Phytotherapy: see under Sabalis serrulatae fructus

Indication: benign prostatic hyperplasia, according to the S 2 guideline for the therapy of benign prostatic hyperplasia.

Action: antiandrogenic, inhibition of 5 alpha-reductase and aromatase, blockade of alpha-receptors, antiphlogistic by inhibition of prostaglandin and leukotriene synthesis, anti-edematous, antiexudative, antiproliferative and anticongestive.

Side effect: gastric discomfort

Dosage: 1-2 g of drug / day or 320 mg of lipophilic extract.

Ingredient(s)
This section has been translated automatically.

see also under Sabalis serrulatae fructus. Lipids, especially triglycerides and free fatty acids, fatty acid ethyl ethers, fatty alcohols, gamma-linolenic acid, phytosterols, ß-sitosterol, triterpenes, flavonoids, acidic polysaccharides

Note(s)
This section has been translated automatically.

Serenoa repens is the parent plant of Sabalis serrulatae fructus

Cosmetics: Seronoa serrolata extract is the drug extracted from the fruits of the plant used for cosmetic purposes.

Literature
This section has been translated automatically.

  1. Niedenthal T (2017) Saw palmetto- From useful plant and food to recognized medicinal plant. Z Phytother 5; 235-239
  2. https://arzneipflanzenlexikon.info/saegepalme.php