Radix rhei rhapontici

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

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Last updated on: 29.10.2020

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Synonym(s)

Rhaponic rhubarb root extract; Rhaponticrhabarber root dry extract; Rhei rhapontici radicis extractum calcii oxidum aquosum siccum

Definition
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The dry extract from the roots of rhapontic rhubarb (Rheum rhaponticum) belongs to the group of phytopharmaceuticals. Its most important active ingredients are the hydroxystilbenes (see stilbenes below) rhaponticin (fluoresces blue in UV light), rhapontigenin, deoxyrhapontigenin, substances with oestrogenic effects. Furthermore deoxyrhaponticin, chrosophanic acid, oxalic acid and tanning agents (catechin).

Indication
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Climacteric complaints as a result of the onset of menopause such as hot flushes, sweating, sleep disorders, mental exhaustion, sexual problems, depressive moods, irritability, anxiety,

Dosage and method of use
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Dosage: daily 1 x 1 gastro-resistant tablet with 4 mg dry extract. The tablet should be taken unchewed and with sufficient liquid. It is not recommended to take for > 4 months.

Undesirable effects
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In very rare cases hypersensitivity reactions of the skin occur (redness, swelling, itching)

Interactions
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Antacids should not be taken simultaneously. It is recommended to take at least one hour apart.

Contraindication
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In the presence of hypersensitivity to the medically active ingredients; pregnancy; lactation; unexplained genital bleeding; in the presence or treatment of an estrogen-dependent tumor.

Preparations
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Phyto-Strol®

Literature
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  1. Li Pet al. (2014) Inhibitory effect of desoxyrhaponticin andrhaponticin
    , two natural stilbene glycosides from the Tibetan nutritional foodRheum
    tanguticum Maxim. ex Balf., on fatty acid synthase and human breast cancer cells Food Funct 5:251-256.
    Loew D (2012) in Beer A M et al [Ed.] Leitfaden Naturheilverfahren für die ärztliche Praxis, Urban und Fischer Verlag S 186.
  2. Smolarz HD et al. (2013) Antimycobacterial effect of extract and its components from Rheum rhaponticum. J AOAC Int 96:155-160.

Incoming links (1)

Rhaponic rhubarb root extract;

Outgoing links (1)

Stilben;