Plant Comparison

Goldenseal vs Black Cumin

A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.

First plant
Second plant
Show:
Plant AGoldensealHydrastis canadensisRanunculaceaeFull monograph →
Plant BBlack CuminNigella sativaRanunculaceaeFull monograph →

At a glance

Goldenseal and Black Cumin: both belong to the Ranunculaceae family; they share 7 indicated uses (arthritis / joint pain, bloating, indigestion, …); 3 pharmacological actions in common.

GoldensealBlack Cumin
Constituents15
Pharmacological actions49
Indicated uses917
Safety notes22
Cited sources2024
Indicated uses
Only Goldenseal
DiarrhoeaSore throat
Shared (7)
Arthritis / joint painBloatingIndigestionInfection (general)Inflammation (general)Skin irritationWounds
Only Black Cumin
Acid refluxBack painBlood sugar / diabetes supportCancer (anticancer research)Cold & fluHeadacheImmune supportMetabolic supportPain (general)Respiratory support
Pharmacological actions
Only Goldenseal
Astringent
Shared (3)
Anti-inflammatoryAntimicrobialDigestive aid
Only Black Cumin
Analgesic (pain relief)Anticancer (preclinical)Antidiabetic (blood-sugar lowering)AntioxidantGastroprotectiveImmunomodulator / immune support

Evidence face-off — shared uses

ConditionGoldensealBlack CuminVerdict
Arthritis / joint pain5/105/10Comparable evidence
Bloating5/105/10Comparable evidence
Indigestion5/105/10Comparable evidence
Infection (general)5/105/10Comparable evidence
Inflammation (general)5/105/10Comparable evidence
Skin irritation5/105/10Comparable evidence
Wounds5/105/10Comparable evidence

Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.

Key Constituents

Isoquinoline alkaloids - berberine (principal), hydrastine and canadine[1, 4, 12]

Berberine is the main antimicrobial, hypoglycaemic and hypolipidaemic constituent. Notably, whole-leaf extracts are more potent against MRSA than isolated berberine (owing to efflux-pump-inhibitory flavonoids) and show quorum-quenching, anti-virulence activity.

FlavonoidsAlkaloidsBerberine
Thymoquinone[3, 9]

The principal bioactive constituent of the seed oil, responsible for much of its anti-inflammatory, antioxidant and antimicrobial activity.

Volatile oil (nigellone, thymol, carvacrol)[3]

The aromatic fraction of the seed, contributing antimicrobial and antioxidant activity.

Essential (volatile) oilThymolCarvacrol
Fixed oil (linoleic acid, oleic acid)[1]

The bulk lipid fraction of the seed (roughly a third of seed weight by weight), the carrier for the fat-soluble thymoquinone.

Alkaloids (nigellicine, nigellidine)[1]

Minor isoquinoline-type alkaloids studied for antioxidant activity.

Alkaloids
Saponins (alpha-hederin)[1]

Triterpene saponin studied for anticancer and antiparasitic activity.

Saponins

Pharmacological Actions

Anti-inflammatory[1]

Anti-inflammatory and astringent for inflamed mucous membranes (sore-throat gargle, mouth)

Antimicrobial[1, 2, 3, 4, 5, 6, 12]

Antimicrobial (berberine) - supports skin, mucosal and gastrointestinal infections and sore throat

Astringent[1]

Anti-inflammatory and astringent for inflamed mucous membranes (sore-throat gargle, mouth)

Digestive aid[1, 5]

Digestive / gastrointestinal support (traditional for dyspepsia and ulcers)

Analgesic (pain relief)[6, 12, 13, 14, 15, 16, 17, 18]
Anti-inflammatory[1, 2, 4, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18]
Anticancer (preclinical)[7, 12, 13, 14, 15, 16, 17, 18]
Antidiabetic (blood-sugar lowering)[5, 12, 13, 14, 15, 16, 17, 18]
Antimicrobial[3, 11, 12, 13, 14, 15, 16, 17, 18]
Antioxidant[1, 3, 8, 12, 13, 14, 15, 16, 17, 18]
Digestive aid[12, 13, 14, 15, 16, 17, 18]
Gastroprotective[12, 13, 14, 15, 16, 17, 18]
Immunomodulator / immune support[4, 12, 13, 14, 15, 16, 17, 18]

Traditional & Indicated Uses

Arthritis / joint pain[1]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Arthritis / joint pain
Bloating[1]Moderate · 5/10

inferred from digestive action

Evidence: 5
Label: Bloating
Diarrhoea[1]Moderate · 5/10

inferred from astringent action

Evidence: 5
Label: Diarrhoea
Indigestion[1]Moderate · 5/10

Digestive / gastrointestinal support (traditional for dyspepsia and ulcers)

Evidence: 5
Label: Indigestion
Infection (general)[1, 4, 12]Moderate · 5/10

Antimicrobial (berberine) - supports skin, mucosal and gastrointestinal infections and sore throat; Topical for skin infections and irritation - whole-leaf extract is active in vitro against methicillin-resistant Staphylococcus aureus (MRSA)

Evidence: 5
Label: Infection (general)
Inflammation (general)[1]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Inflammation (general)
Skin irritation[1]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Skin irritation
Sore throat[1, 4, 12]Moderate · 5/10

Anti-inflammatory and astringent for inflamed mucous membranes (sore-throat gargle, mouth); Antimicrobial (berberine) - supports skin, mucosal and gastrointestinal infections and sore throat

Evidence: 5
Label: Sore throat
Wounds[1, 4, 12]Moderate · 5/10

inferred from antimicrobial action

Evidence: 5
Label: Wounds
Acid reflux[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from gastroprotective action

Evidence: 5
Label: Acid reflux
Arthritis / joint pain[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Arthritis / joint pain
Back pain[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from analgesic action

Evidence: 5
Label: Back pain
Bloating[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from digestive action

Evidence: 5
Label: Bloating
Blood sugar / diabetes support[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from antidiabetic action

Evidence: 5
Label: Blood sugar / diabetes support
Cancer (anticancer research)[7]Good · 7/10

inferred from anticancer action

Evidence: 7
Label: Cancer (anticancer research)
Cold & flu[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from immunomodulator action

Evidence: 5
Label: Cold & flu
Headache[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from analgesic action

Evidence: 5
Label: Headache
Immune support[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10
Evidence: 5
Label: Immune support
Indigestion[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from digestive action

Evidence: 5
Label: Indigestion
Infection (general)[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from antimicrobial action

Evidence: 5
Label: Infection (general)
Inflammation (general)[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Inflammation (general)
Metabolic support[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from antidiabetic action

Evidence: 5
Label: Metabolic support
Pain (general)[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10
Evidence: 5
Label: Pain (general)
Respiratory support[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10
Evidence: 5
Label: Respiratory support
Skin irritation[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from anti-inflammatory action

Evidence: 5
Label: Skin irritation
Wounds[12, 13, 14, 15, 16, 17, 18]Moderate · 5/10

inferred from antimicrobial action

Evidence: 5
Label: Wounds

Safety, Cautions & Contraindications

Safety note[1]Caution

Contraindicated in pregnancy and breastfeeding: berberine crosses the placenta and into milk and can cause or worsen newborn jaundice (risk of kernicterus); do not give to infants.

Safety note[1, 14]Caution

Berberine strongly inhibits drug-metabolising enzymes (especially CYP3A4 and CYP2D6), so it can raise the blood levels of many medicines - a significant herb-drug-interaction risk. In a screen of commercial herbal products, goldenseal was among the most potent CYP2D6 inhibitors and also inhibited CYP3A4. High doses have shown possible liver, nerve and photo-toxicity.

Safety note[12, 13, 14, 15, 16, 17, 18]Caution

Generally well-tolerated in clinical trials at doses up to 200 mg/day of oil for 90 days. Potential side effects may include mild gastrointestinal discomfort. Contraindicated during pregnancy due to potential uterine stimulant effects. May interact with immunosuppressants and antidiabetic medications. Allergic reactions possible in sensitive individuals. Consult healthcare provider before use, especially with concurrent medications.

Safety note[12, 13, 14, 15, 16, 17, 18, 19]Caution

Duke (2002) describes black cumin (Nigella sativa) as one of the most multi-active medicinal spices, with experimental evidence for bronchodilation, immunostimulation, hepatoprotection, and antihistaminic activity. The prophet Muhammad reportedly described it as 'a cure for all things except death.' Key bioactive compounds include thymoquinone and nigellone. Antihistaminic and bronchodilatory activity supports its traditional use in asthma and allergic conditions. Duke notes it is generally safe at culinary amounts but recommends caution with medicinal doses in pregnancy due to potential uterotonic effects (Duke, 2002).

External Ids

Gbif: 3033110
Wikidata: Q1051710
Gbif: 5371700
Wikidata: Q160575

Botanical Description

Low, woodland perennial herb rising from a knotted, bright yellow rhizome with wiry yellow roots. Each stem bears two ragged, palmately lobed, maple-like leaves and a single small, inconspicuous greenish-white flower, followed by a raspberry-like cluster of red berries.[1]

Height: 15-30 cm
Habit: Low, woodland perennial herb
Leaves: Two per stem, ragged, palmately lobed, maple-like
Flowers: Single, small, inconspicuous, greenish-white, petal-less
Stem: Hairy, upright, bearing two leaves
Root: Knotted, bright yellow rhizome with wiry yellow roots (the medicinal part)
Fruit: Raspberry-like cluster of red berries
Flowering Period: April-May

Annual herb (Ranunculaceae), 20-90 cm tall, with an erect, branched stem and finely divided, pinnately dissected, fern-like leaves. Delicate pale blue-white (occasionally pale purple) flowers, each with 5-10 petal-like sepals, are surrounded by a feathery bract collar. The fruit is an inflated, many-celled capsule that dries and splits to release numerous small, black, angular seeds - the medicinal part.[1]

Height: 20-90 cm
Habit: Erect, branched annual herb
Leaves: Finely pinnately dissected, fern-like
Flowers: Pale blue-white (occasionally pale purple), 5-10 petal-like sepals, feathery bract collar
Stem: Erect, branched
Root: Slender taproot
Fruit: Inflated capsule splitting to release small black angular seeds
Flowering Period: June-August

Habitat

Grows in rich, shaded deciduous woodland with humus-rich soil; native to eastern North America, now scarce in the wild due to overharvesting and largely supplied by cultivation.[1]

Native to the Mediterranean basin, southern Europe, western Asia and North Africa, and widely cultivated as a spice and medicinal crop across the Middle East, South Asia and North Africa; grows in cultivated fields and on disturbed ground.[1]

Harvesting

The rhizome and root are dug in autumn from plants at least three to four years old, when berberine content is highest, then cleaned and dried; because wild populations are depleted, cultivated or sustainably sourced material is strongly preferred, and careful identification against the toxic mayapple and bloodroot, which share its woodland habitat, is essential before any wild-harvesting.[1]

Parts: Rhizome and root
Season: Autumn, from mature (3-4+ year) plants

Seed capsules are harvested once dried and brown (late summer), then threshed to release the small black seeds. Seed is stored whole and either used directly or cold-pressed for oil shortly before use to preserve the volatile thymoquinone-rich fraction.[1]

Parts: Seed
Season: Late summer, once capsules have dried

Traditional Uses

Goldenseal root has a Native American and, after adoption by Eclectic physicians, wider North American tradition as a bitter tonic and antimicrobial remedy for mucous-membrane infections, sore throat, digestive upset and topical skin infections, directly reflecting its high berberine content.[1]

One of the most celebrated medicinal seeds in Middle Eastern and Islamic traditional medicine - known as 'Habbatul Barakah' (the blessed seed) - black seed has traditionally been used for digestive complaints, respiratory conditions (asthma, cough), pain, inflammation, skin conditions and as a general tonic. Modern research on its principal constituent thymoquinone supports broad anti-inflammatory, antioxidant, antimicrobial, antidiabetic and immunomodulatory activity.[1, 2, 9]

Preparations

Decoction[1]

Dried rhizome and root simmered in water as a traditional bitter antimicrobial tea, or used as a gargle for sore throat.

Tincture[13]

Tincture 1:10 in 60% ethanol of the dried rhizome and root, 2-4 ml three times daily per the WHO monograph Rhizoma Hydrastis. Educational reference only, not a prescription.

Standardised extract[4]

Extract standardised to berberine/hydrastine content, taken as capsules; whole-leaf extracts have shown stronger antimicrobial activity than isolated berberine in some studies.

Whole or ground seed[1]

Seed eaten directly, sprinkled on food, or ground into a paste - the traditional culinary-medicinal form.

Cold-pressed seed oil[3, 9]

The form most used in clinical trials, taken orally in capsules or as a liquid.

Dosage

Decoction/tincture[13]

The WHO monograph on Rhizoma Hydrastis gives a daily dose of 0.5-1.0 g of the dried rhizome and root three times, or taken as a decoction; a 1:1 liquid extract in 60% ethanol at 0.3-1.0 mL three times; or a 1:10 tincture in 60% ethanol at 2-4 mL three times. For short-term use only, given goldenseal's potent CYP-enzyme inhibition and its contraindication in pregnancy. Educational reference only, not a prescription.

Seed oil[12, 13, 14, 15, 16, 17, 18]

Clinical trials have generally been well tolerated at doses up to about 200 mg/day of oil taken for up to 90 days. Educational reference only, not a prescription; avoid medicinal doses in pregnancy.

References

REF-0455, REF-1849, REF-1850, REF-0588, REF-1851, REF-1852, REF-1853, REF-1854, REF-1855, REF-1856, REF-1857
REF-2065, REF-2066, REF-2067, REF-2068, REF-2069, REF-2070, REF-2071, REF-2072, REF-2073, REF-2074, REF-2075

Drug Class Interactions

Safety note[15, 16]Caution
Drug Class: cyp3a4-substrates
Mechanism: Goldenseal's berberine and hydrastine strongly inhibit CYP3A4 (and also CYP2D6), enzymes that clear many medicines. In a controlled study in healthy volunteers, 28 days of goldenseal cut CYP3A4/5 and CYP2D6 activity by roughly 40%, so it can raise the blood levels and side effects of drugs handled by these pathways - for example some statins, calcium-channel blockers and sedatives (CYP3A4), and certain antidepressants, beta-blockers and opioids (CYP2D6). Separate dosing and monitor, or avoid combining with narrow-margin medicines.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[17]Caution
Drug Class: antidiabetics
Mechanism: Goldenseal is rich in berberine, its main alkaloid, which lowers blood glucose - meta-analyses of randomised trials show berberine significantly reduces fasting glucose and HbA1c. Taken with diabetes medicines, goldenseal may therefore add to blood-sugar lowering, so monitor blood glucose.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[20, 21, 22]Caution
Drug Class: antidiabetics
Mechanism: Black seed (Nigella sativa) lowers fasting blood glucose and HbA1c in trials in people with prediabetes and type 2 diabetes (confirmed by meta-analysis); combined with diabetes medicines it may add to blood-sugar lowering, so monitor blood sugar.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[23, 24]Caution
Drug Class: antihypertensives
Mechanism: Black seed (Nigella sativa) modestly lowers blood pressure - two meta-analyses of randomised trials found reductions of roughly 3 mmHg systolic and 3 mmHg diastolic. Combined with blood-pressure medicines it may add to their effect, so monitor your blood pressure.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

Lookalikes Review

Outcome: has-lookalikes
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07
Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

Dangerous Lookalikes

Safety note[18, 19]Dangerous
Dangerous Plant: podophyllum-peltatum
Confused Part: Woodland rhizome dug as goldenseal; mayapple shares the same rich woods and has similar lobed, maple-like leaves.
Confusion Context: Goldenseal (Hydrastis canadensis) is dug from rich woodland for its yellow rhizome. Mayapple (Podophyllum peltatum) grows in the same rich-woods habitat and, once its leaves expand, its lobed maple-like leaves resemble goldenseal, so novice foragers confuse them. Mayapple contains podophyllotoxin (a potent cell poison) in all parts except the ripe fruit; ingestion causes severe vomiting and diarrhoea and can cause serious systemic toxicity. Because the plants share habitat and leaf shape, this is a genuine hazard when digging goldenseal.
Distinguishing Features: Whole plant: goldenseal has a hairy upright stem bearing usually two ragged, maple-like lobed leaves and a single small flower, with a knotted BRIGHT-YELLOW rhizome. Mayapple has one or two large, smooth, umbrella-like lobed leaves on a hairless stalk and a white flower nodding beneath, with a white-ish creeping rhizome., Rhizome colour (decisive): goldenseal's rhizome and root are vivid yellow inside (berberine). Mayapple's rhizome is not bright yellow., Leaf texture: goldenseal leaves are hairy and puckered; mayapple leaves are large, smooth and shield-like (the stalk joins near the centre).
Key Test: Dig only after matching the whole plant, and check the rhizome. A hairy stem with ragged maple-like leaves over a BRIGHT-YELLOW knotted rhizome = goldenseal. Large smooth umbrella-like leaves over a pale rhizome (no yellow) = mayapple - toxic, do not use. If the root is not bright yellow inside, do not use it.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07
Safety note[18, 20]Dangerous
Dangerous Plant: sanguinaria-canadensis
Confused Part: Woodland rhizome dug as goldenseal; bloodroot grows in the same rich woods and its rhizome is gathered in mistake for goldenseal.
Confusion Context: Bloodroot (Sanguinaria canadensis) shares the same rich-woods spring habitat as goldenseal and is listed among goldenseal's harvesting look-alikes. Bloodroot is a high-severity poison: its rhizome contains isoquinoline alkaloids (sanguinarine) and, when broken, oozes a bright red-orange sap; ingestion causes vomiting, faintness, dizziness, dilated pupils and, in serious cases, heart failure, and the sap is destructive to tissue. Because both are dug for their rhizomes from the same woodland, this is a genuine hazard.
Distinguishing Features: Sap colour (decisive): a broken bloodroot rhizome bleeds a bright RED-ORANGE sap. Goldenseal's rhizome is BRIGHT YELLOW inside, not red., Leaf: bloodroot has a single, rounded, deeply scalloped/lobed grey-green leaf that wraps the flower stalk, and a white flower; goldenseal has a hairy stem with two ragged maple-like leaves., Whole plant: confirm goldenseal by its paired hairy maple-like leaves and yellow root before digging.
Key Test: Break the rhizome and look at the sap and leaves. Bright YELLOW root with paired hairy maple-like leaves = goldenseal. A single scalloped leaf and a rhizome bleeding RED-ORANGE sap = bloodroot - a high-severity poison, do not use. If the sap is red, it is not goldenseal.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

Not documented

References & Sources

  1. Mandal, S.K., Maji, A.K., Mishra, S.K., Ishfaq, P.M., Devkota, H.P., Silva, A.S. and Das, N (2020) 'Goldenseal (Hydrastis canadensis L.) and its active constituents: A critical review of their efficacy and toxicological issues', Pharmacological Research. doi:10.1016/j.phrs.2020.105085 Randomized trial
    https://doi.org/10.1016/j.phrs.2020.105085
  2. Corn, J., Tibbitts, D., Ito, H., Schafer, M. and Vasilevsky, N (2021) 'Effects of Hydrastis Canadensis, Commiphora Habessinica, Phytolacca Americana, and Echinacea Purpurea on Bacterial Growth', Alternative Therapies in Health and Medicine, 27(4), pp. 24-27. Preclinical
    https://scholar.google.com/scholar?q=Effects%20of%20Hydrastis%20Canadensis%2C%20Commiphora%20Habessinica%2C%20Phytolacca%20Americana%2C%20and%20Echinacea%20Purpurea%20on%20Bacterial%20Growth
  3. Ettefagh, K.A., Burns, J.T., Junio, H.A., Kaatz, G.W. and Cech, N.B (2010) 'Goldenseal (Hydrastis canadensis L.) extracts synergistically enhance the antibacterial activity of berberine via efflux pump inhibition', Planta Medica, 77(8), pp. 835-840. doi:10.1055/s-0030-1250606 Preclinical
    https://doi.org/10.1055/s-0030-1250606
  4. Cech, N.B., Junio, H.A., Ackermann, L.W., Kavanaugh, J.S. and Horswill, A.R (2012) 'Quorum quenching and antimicrobial activity of goldenseal (Hydrastis canadensis) against methicillin-resistant Staphylococcus aureus (MRSA)', Planta Medica, 78(14), pp. 1556--1561. doi:10.1055/s-0032-1315042 Traditional / reference
    https://doi.org/10.1055/s-0032-1315042
  5. Mahady, G.B., Pendland, S.L., Stoia, A. and Chadwick, L.R (2003) 'In vitro susceptibility of Helicobacter pylori to isoquinoline alkaloids from Sanguinaria canadensis and Hydrastis canadensis', Phytotherapy Research, 17(3), pp. 217-221. doi:10.1002/ptr.1108 Preclinical
    https://doi.org/10.1002/ptr.1108
  6. Junio, H.A., Sy-Cordero, A.A., Ettefagh, K.A., Burns, J.T., Micko, K.T., Graf, T.N., Richter, S.J., Cannon, R.E., Oberlies, N.H. and Cech, N.B (2011) 'Synergy-directed fractionation of botanical medicines: a case study with goldenseal (Hydrastis canadensis)', Journal of Natural Products, 74(7), pp. 1621-1629. doi:10.1021/np200336g Preclinical
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  7. Britton, E.R., Kellogg, J.J., Kvalheim, O.M. and Cech, N.B (2017) 'Biochemometrics to Identify Synergists and Additives from Botanical Medicines: A Case Study with Hydrastis canadensis (Goldenseal)', Journal of Natural Products, 81(3), pp. 484-493. doi:10.1021/acs.jnatprod.7b00654 Preclinical
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  8. Leyte-Lugo, M., Britton, E.R., Foil, D.H., Brown, A.R., Todd, D.A., Rivera-Chavez, J., Oberlies, N.H. and Cech, N.B (2017) 'Secondary Metabolites from the Leaves of the Medicinal Plant Goldenseal (Hydrastis canadensis)', Phytochemistry Letters, 20, pp. 54-60. doi:10.1016/j.phytol.2017.03.012 Preclinical
    https://doi.org/10.1016/j.phytol.2017.03.012
  9. Gurley, B.J., Swain, A., Hubbard, M.A., Hartsfield, F., Thaden, J., Williams, D.K., Gentry, W.B. and Tong, Y (2007) 'Supplementation with goldenseal (Hydrastis canadensis), but not kava kava (Piper methysticum), inhibits human CYP3A activity in vivo', Clinical Pharmacology and Therapeutics, 83(1), pp. 61-69. doi:10.1038/sj.clpt.6100222 Randomized trial
    https://doi.org/10.1038/sj.clpt.6100222
  10. Wallace, E.D., Oberlies, N.H., Cech, N.B. and Kellogg, J.J (2018) 'Detection of adulteration in Hydrastis canadensis (goldenseal) dietary supplements via untargeted mass spectrometry-based metabolomics', Food and Chemical Toxicology, 120, pp. 439-447. doi:10.1016/j.fct.2018.07.033 Preclinical
    https://doi.org/10.1016/j.fct.2018.07.033
  11. Douglas, J.A., Follett, J.M., Parmenter, G.A., Sansom, C.E., Perry, N.B. and Littler, R.A (2010) 'Seasonal variation of biomass and bioactive alkaloid content of goldenseal, Hydrastis canadensis', Fitoterapia, 81(7), pp. 925-928. doi:10.1016/j.fitote.2010.06.006 Preclinical
    https://doi.org/10.1016/j.fitote.2010.06.006
  12. Singh, S., Pathak, N., Fatima, E. and Negi, A.S (2021) 'Plant isoquinoline alkaloids: Advances in the chemistry and biology of berberine', European Journal of Medicinal Chemistry. doi:10.1016/j.ejmech.2021.113839 Preclinical
    https://doi.org/10.1016/j.ejmech.2021.113839
  13. World Health Organization (2007) 'Rhizoma Hydrastis'. Available at: https://iris.who.int/items/6418d8af-5200-4e6b-9bf5-004f3aa62a37 Traditional / reference
    https://iris.who.int/items/6418d8af-5200-4e6b-9bf5-004f3aa62a37
  14. Sevior, D.K., Hokkanen, J., Tolonen, A., Abass, K., Tursas, L., Pelkonen, O. and Ahokas, J.T (2010) 'Rapid screening of commercially available herbal products for the inhibition of major human hepatic cytochrome P450 enzymes using the N-in-one cocktail', Xenobiotica, 40(4), pp. 245--254. doi:10.3109/00498251003592683 Preclinical
    https://doi.org/10.3109/00498251003592683
  15. Gurley, B.J., Gardner, S.F., Hubbard, M.A., Williams, D.K., Gentry, W.B., Khan, I.A. and Shah, A (2005) 'In vivo effects of goldenseal, kava kava, black cohosh, and valerian on human cytochrome P450 1A2, 2D6, 2E1, and 3A4/5 phenotypes', Clinical Pharmacology and Therapeutics, 77(5), pp. 415-426. doi:10.1016/j.clpt.2005.01.009 Randomized trial
    https://doi.org/10.1016/j.clpt.2005.01.009
  16. McDonald, M.G., Tian, D.D., Thummel, K.E., Paine, M.F. and Rettie, A.E (2020) 'Modulation of major human liver microsomal cytochromes P450 by component alkaloids of goldenseal: time-dependent inhibition and allosteric effects', Drug Metabolism and Disposition, 48(10), pp. 1018-1027. doi:10.1124/dmd.120.091041 Preclinical
    https://doi.org/10.1124/dmd.120.091041
  17. Guo, J., Chen, H., Zhang, X., Lou, W., Zhang, P., Qiu, Y., Zhang, C., Wang, Y. and Liu, W.J (2021) 'The effect of berberine on metabolic profiles in type 2 diabetic patients: a systematic review and meta-analysis of randomized controlled trials', Oxidative Medicine and Cellular Longevity, 2021, pp. 2074610. doi:10.1155/2021/2074610 Meta-analysis / review
    https://doi.org/10.1155/2021/2074610
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Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.