Yellow Dock

Generic name: Rumex Crispus L.
Brand names: Curled Dock, Curly Dock, Narrow Dock, Rumex, Sour Dock, Yellow Dock

Usage of Yellow Dock

Antimicrobial

Animal data

A study evaluating the antimalarial activity of nepodin, a compound extracted from R. crispus, demonstrated activity against Plasmodium falciparum in vitro and reduced parasitemia in mice.Lee 2013 Ether and ethanol extracts of the plant, but not water extracts, demonstrated antibacterial activity against Staphylococcus aureus and Bacillus subtilis.Yildirim 2001

Clinical data

Research reveals no clinical data for yellow dock as an antimicrobial agent.

Antioxidant/Cytotoxic

Animal data

Antioxidant activity of ethanol and methanol extracts of R. crispus fruit, seeds, and roots has been demonstrated.Maksimović 2011, Orbán-Gyapai 2015, Shiwani 2012, Suh 2011, Yildirim 2001 In vitro screening of ethanol extracts of the root, leaves, and seeds showed cytotoxic activity against human leukemia cells.Wegiera 2012

Clinical data

Despite being included in multi-ingredient preparations for use in cancer, research reveals no clinical data regarding the use of yellow dock for this indication.

Other uses

Results from an in vitro and in vivo trial suggest that nepodin has an antidiabetic effect.Ha 2014

Yellow Dock side effects

Yellow dock has been identified as an allergen.Kwaasi 1998, Mueller 2000

Before taking Yellow Dock

Avoid use. Adverse effects have been documented; contains anthraquinones.Duke 2002, Newall 1996

Despite a lack of evidence to support its use, yellow dock was identified as one of the most common herbs used for pregnancy-related anemia by certified or licensed midwives in state-wide surveys conducted in California, Texas, and North Carolina.Dennehy 2010

How to use Yellow Dock

There is no clinical evidence to support specific doSage recommendations for yellow dock, and caution is warranted because of its oxalate and tannin content. Consumption of the uncooked leaves as a wild vegetable should be avoided.

Dosages traditionally used include 2 to 4 tablespoons of the fresh root, or 2 to 4 g of the dry root in a tea 3 times a day for no longer than 8 to 10 days.Duke 2002

Warnings

Information is limited; however, cytotoxic effects against human T cells has been observed in vitro.Wegiera 2012 Due to its oxalate and tannin content, yellow dock is contraindicated in patients with endometriosis, hemorrhoids, intestinal obstruction, abdominal pain of unknown origin, or nephropathy.Duke 2002

What other drugs will affect Yellow Dock

None well documented.

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