Plant Comparison
Scots Pine vs Common Sorrel
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.
At a glance
Scots Pine and Common Sorrel: they share 8 indicated uses (arthritis / joint pain, infection (general), inflammation (general), …); 4 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Scots Pine | Common Sorrel | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 2/10 | 1/10 | Comparable evidence |
| Infection (general) | 2/10 | 2/10 | Comparable evidence |
| Inflammation (general) | 2/10 | 2/10 | Comparable evidence |
| Skin irritation | 2/10 | 1/10 | Comparable evidence |
| Swelling / fluid retention | 2/10 | 1/10 | Comparable evidence |
| Urinary support | 2/10 | 1/10 | Comparable evidence |
| Urinary tract infection (UTI) | 2/10 | 1/10 | Comparable evidence |
| Wounds | 2/10 | 1/10 | Comparable 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
The needle oil is dominated by monoterpene hydrocarbons, chiefly alpha-pinene, giving the characteristic resinous scent and much of its antimicrobial activity.
The resinous sap/pitch, traditionally used topically for wounds and skin complaints.
The needle is traditionally valued as a source of vitamin C, particularly in winter.
Gives the leaf its characteristic sour taste; the basis for the caution around kidney stones and mineral absorption at high intakes.
Minor constituents typical of the Rumex genus, studied alongside other isolated compounds for antibacterial activity against Helicobacter pylori.
The basis for the plant's traditional antiscorbutic (anti-scurvy) reputation.
Pharmacological Actions
Traditional & Indicated Uses
inferred from anti-inflammatory action
inferred from expectorant action
inferred from anticancer action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from diuretic action
inferred from diuretic action
inferred from diuretic action
inferred from anti-inflammatory action
inferred from digestive action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
inferred from diuretic action
inferred from diuretic action
inferred from diuretic action
Safety, Cautions & Contraindications
Generally safe in normal amounts. Pine essential oil should not be ingested; topical use only in diluted form. May irritate airways in high concentrations. Allergic reactions to pine pollen and resin are common. Turpentine products are irritant and potentially toxic if ingested.
Duke (2002) rates Scotch pine as + and notes antiseptic, antibacterial (score 1), and bronchospasmolytic activities. Commission E (KOM) and PhEur (PIP) approve pine needle preparations for topical use in rheumatic and neuralgic conditions and for inhalations in upper respiratory catarrh. Duke cautions that pine needle oil should not be inhaled by patients with severe asthma, whooping cough, or laryngospasm. Pine bud preparations are traditionally used for bronchitis and sinus congestion. Dose: 100–200 mg essential oil in ointment or cream for topical use (Duke, 2002).
High in oxalates (the sour taste): Large, frequent amounts can be a bad idea if you’re prone to kidney or bladder stones, or certain “rheumatic-type” complaints (Royal Botanic Gardens, Kew, n.d.). Moderation matters: Measured oxalate levels in leaves can be high, and researchers recommend treating sorrel more like an occasional delicacy than a daily staple (Tuazon-Nartea & Savage, 2013). Mineral binding: Oxalic acid can reduce how much calcium you absorb from a meal (Tuazon-Nartea & Savage, 2013). Sensitive stomach/mouth: Very sour leaves can irritate some people (common-sense caution; strongest source is the oxalate discussion above). Pregnancy/lactation: As a normal food herb in culinary amounts is generally considered fine, but avoid high-dose “medicinal” use because safety data are limited (Bello et al., 2019). Foraging safety (important): Sorrel can accumulate heavy metals depending on where it grows; avoid harvesting near roads/industrial areas (Gawęda, 2009).
Duke (2002) rates sorrel as ++ and notes diuretic, antiscorbutic (high vitamin C), and depurative activities at experimental and folkloric levels. The plant is traditionally used for anemia, fever, and scurvy prevention. High oxalic acid content is an important consideration — excessive consumption can promote kidney stone formation (oxalate stones) and may be harmful in individuals with gout or existing kidney disease. Duke advises limiting medicinal use and avoiding in those with a history of calcium oxalate kidney stones (Duke, 2002).
External Ids
Botanical Description
Evergreen coniferous tree (Pinaceae), 15-35 m tall, with a long, straight trunk at maturity, distinctive orange-red flaking bark in the upper crown and grey-brown fissured bark at the base. Needles are blue-green, borne in pairs (fascicles of two) with a papery basal sheath. Small yellow male cones release pollen in spring; female cones are woody and mature over two years.[11]
Perennial herb (Polygonaceae), 30-100 cm tall, with erect, often reddish, ridged flowering stems. Basal leaves are arrow- (hastate-) shaped with backward-pointing basal lobes, and sour-tasting from oxalic acid content. Tiny reddish-brown flowers are borne in narrow, branched spikes; the species is dioecious, with separate male and female plants.[11]
Habitat
Native across northern and central Europe and Siberia - the most widely distributed pine species in the world - forming extensive boreal and montane forests on poor, sandy or peaty, acidic soils; a pioneer species tolerant of dry, nutrient-poor ground.[11]
Native throughout Europe and temperate Asia, common in meadows, grassland, pastures and roadside verges on a wide range of soils, tolerating both damp and dry ground.[11]
Harvesting
Young shoots ('candles') and needles are gathered in spring; bark is stripped from felled or cultivated trees; resin/sap is tapped from the trunk. Needle-bearing twigs can be cut for tea and for steam distillation of the essential oil year-round.[11]
Leaves are gathered fresh in spring and early summer, before flowering, when they are most tender and least bitter. Avoid harvesting near roads or industrial areas, given the plant's tendency to accumulate heavy metals.[11]
Traditional Uses
Scots pine has a long northern European tradition as a source of resinous, aromatic preparations for respiratory complaints (coughs, bronchitis, catarrh) and topical rheumatic/muscular remedies, and pine-needle tea has traditionally been valued as a vitamin-C-rich winter tonic. Modern research on the needle essential oil supports antimicrobial, anti-inflammatory and expectorant activity.[11, 12]
Common sorrel has a long European culinary-medicinal tradition as a refreshing, vitamin-C-rich spring green and digestive bitter, and folk-medicinally as a diuretic and mild antiscorbutic (anti-scurvy) remedy. Modern research confirms antioxidant, anti-inflammatory and antimicrobial activity of its leaf extracts.[11]
Preparations
Fresh or dried young needles steeped in hot water - the traditional vitamin-C-rich tonic tea. Only use needles from a certainly identified pine, never yew (see dangerous look-alikes).
Steam-distilled from the needles; used diluted in ointments, chest rubs or steam inhalation for respiratory complaints.
Dosage
Sorrel is best treated as an occasional food rather than a daily medicinal herb, given its oxalate content; traditional infusions use roughly 2-4 g dried leaf per cup, taken occasionally rather than regularly. Educational reference only, not a prescription; avoid large or frequent amounts if prone to kidney stones or gout.
References
Lookalikes Review
Dangerous Lookalikes
References & Sources
- Jurado, P., Uruen, C., Martinez, S., Lain, E. and others (2023) 'Essential oils of Pinus sylvestris, Citrus limon and Origanum vulgare exhibit high bactericidal and anti-biofilm activities against Neisseria gonorrhoeae and Streptococcus suis', Biomedicine & Pharmacotherapy, 168, pp. 115703. doi:10.1016/j.biopha.2023.115703 Preclinical
https://doi.org/10.1016/j.biopha.2023.115703 - Csikos, E., Cseko, K., Kemeny, A., Draskoczi, L. and others (2022) 'Pinus sylvestris L. and Syzygium aromaticum (L.) Merr. & L. M. Perry Essential Oils Inhibit Endotoxin-Induced Airway Hyperreactivity despite Aggravated Inflammatory Mechanisms in Mice', Molecules, 27(12), pp. 3868. doi:10.3390/molecules27123868 Preclinical
https://doi.org/10.3390/molecules27123868 - Allenspach, M., Valder, C., Flamm, D., Grisoni, F. and others (2020) 'Verification of Chromatographic Profile of Primary Essential Oil of Pinus sylvestris L. Combined with Chemometric Analysis', Molecules, 25(13), pp. 2973. doi:10.3390/molecules25132973 Preclinical
https://doi.org/10.3390/molecules25132973 - Allenspach, M., Valder, C., Flamm, D. and Steuer, C (2021) 'Authenticity control of Pinus sylvestris essential oil by chiral gas chromatographic analysis of alpha-pinene', Scientific Reports, 11(1), pp. 16923. doi:10.1038/s41598-021-96356-x Preclinical
https://doi.org/10.1038/s41598-021-96356-x - Rodrigues, A.M., Mendes, M.D., Lima, A.S., Barbosa, P.M. and others (2017) 'Pinus halepensis, Pinus pinaster, Pinus pinea and Pinus sylvestris Essential Oils Chemotypes and Monoterpene Hydrocarbon Enantiomers', Chemistry & Biodiversity, 14(1), pp. e1600153. doi:10.1002/cbdv.201600153 Preclinical
https://doi.org/10.1002/cbdv.201600153 - Judzentiene, A., Stikliene, A. and Kupcinskiene, E (2007) 'Changes in the essential oil composition in the needles of Scots pine (Pinus sylvestris L.) under anthropogenic stress', The Scientific World Journal, 7(Suppl 1), pp. 141-150. doi:10.1100/tsw.2007.36 Preclinical
https://doi.org/10.1100/tsw.2007.36 - Hoai, N.T., Duc, H.V., Thao, D.T., Orav, A. and others (2015) 'Selectivity of Pinus sylvestris extract and essential oil to estrogen-insensitive breast cancer cells', Pharmacognosy Magazine, 11(Suppl 2), pp. S290-S295. doi:10.4103/0973-1296.166052 Preclinical
https://doi.org/10.4103/0973-1296.166052 - Fayemiwo, K.A., Adeleke, M.A., Okoro, O.P., Awojide, S.H. and others (2014) 'Larvicidal efficacies and chemical composition of essential oils of Pinus sylvestris and Syzygium aromaticum against mosquitoes', Asian Pacific Journal of Tropical Biomedicine, 4(1), pp. 30-34. doi:10.1016/S2221-1691(14)60204-5 Preclinical
https://doi.org/10.1016/S2221-1691(14)60204-5 - Scalas, D., Mandras, N., Roana, J., Tardugno, R. and others (2018) 'Use of Pinus sylvestris L. (Pinaceae), Origanum vulgare L. (Lamiaceae), and Thymus vulgaris L. (Lamiaceae) essential oils and their main components to enhance itraconazole activity against azole susceptible/not-susceptible Cryptococcus neoformans strains', BMC Complementary and Alternative Medicine, 18(1), pp. 143. doi:10.1186/s12906-018-2219-4 Preclinical
https://doi.org/10.1186/s12906-018-2219-4 - Suntar, I., Tumen, I., Ustun, O., Keles, H. and others (2012) 'Appraisal on the wound healing and anti-inflammatory activities of the essential oils obtained from the cones and needles of Pinus species by in vivo and in vitro experimental models', Journal of Ethnopharmacology, 139(2), pp. 533-540. doi:10.1016/j.jep.2011.11.045 Preclinical
https://doi.org/10.1016/j.jep.2011.11.045 - Grieve, M (1931) 'A Modern Herbal'. Traditional / reference
https://scholar.google.com/scholar?q=A%20Modern%20Herbal - Bakkali, F. et al (2008) 'Biological effects of essential oils — a review', 46(2), pp. 446--475. doi:10.1016/j.fct.2007.09.106 Preclinical
https://doi.org/10.1016/j.fct.2007.09.106 - Sousa, A. et al (2010) 'Proanthocyanidins from Pinus pinaster bark', 71(1), pp. 64--72. Traditional / reference
https://scholar.google.com/scholar?q=Proanthocyanidins%20from%20Pinus%20pinaster%20bark - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Missouri Poison Center 'Pine Needles'. Available at: https://missouripoisoncenter.org/is-this-a-poison/pine-needles/ Traditional / reference
https://missouripoisoncenter.org/is-this-a-poison/pine-needles/ - Arens, A.M. and Anaebere, T.C. and Horng, H. and Olson, K (2016) 'Fatal Taxus baccata ingestion with perimortem serum taxine B quantification', Clinical Toxicology (Philadelphia, Pa.), 54(9), pp. 878-880. doi:10.1080/15563650.2016.1209765 Clinical study
https://doi.org/10.1080/15563650.2016.1209765 - Froldi, R. and Croci, P.F. and Dell'Acqua, L. and Fare, F. and Tassoni, G. and Gambaro, V (2010) 'Preliminary gas chromatography with mass spectrometry determination of 3,5-dimethoxyphenol in biological specimens as evidence of taxus poisoning', Journal of Analytical Toxicology, 34(1), pp. 53-6. doi:10.1093/jat/34.1.53 Clinical study
https://doi.org/10.1093/jat/34.1.53
- Jeong, D., Irfan, M., Kim, S.D., Kim, S. and others (2020) 'Rumex acetosa modulates platelet function and inhibits thrombus formation in rats', BMC Complementary Medicine and Therapies, 20(1), pp. 98. doi:10.1186/s12906-020-02889-5 Preclinical
https://doi.org/10.1186/s12906-020-02889-5 - Oh, D.R., Kim, Y., Choi, E.J., Jung, M.A. and others (2025) 'Rumex acetosa L. enhances learning and cognitive function by modulating NMDA receptor and BDNF pathways in vitro and in vivo', Metabolic Brain Disease, 40(5), pp. 185. doi:10.1007/s11011-025-01608-8 Preclinical
https://doi.org/10.1007/s11011-025-01608-8 - Kang, Y.M., Lee, K.Y., An, H.J. and others (2023) 'Anti-Helicobacter pylori Activity of Six Major Compounds Isolated from Rumex acetosa', ACS Omega, 8(45), pp. 42548-42554. doi:10.1021/acsomega.3c05282 Preclinical
https://doi.org/10.1021/acsomega.3c05282 - Sun, Y.Y., Su, X.H., Jin, J.Y., Zhou, J. and others (2015) 'Rumex acetosa L. induces vasorelaxation in rat aorta via activation of PI3-kinase/Akt- and Ca2+-eNOS-NO signaling in endothelial cells', Journal of Physiology and Pharmacology, 66(6), pp. 907-915. Available at: https://pubmed.ncbi.nlm.nih.gov/26769840/ Preclinical
https://pubmed.ncbi.nlm.nih.gov/26769840/ - Selbach, S., Klocke, A., Peters, U., Beckert, S. and others (2021) 'Microbiological and Clinical Effects of a Proanthocyanidin-enriched Extract from Rumex acetosa in Periodontally Healthy Carriers of Porphyromonas gingivalis: a Randomized Controlled Pilot Study', Planta Medica, 89(11), pp. 1052-1062. doi:10.1055/a-1728-2249 Randomized trial
https://doi.org/10.1055/a-1728-2249 - Ahn, S.H., Jeon, J.H., Kim, H.J., Maeng, H.J. and others (2020) 'Effect of Rumex acetosa Extract, a Herbal Drug, on the Absorption of Fexofenadine', Pharmaceutics, 12(6), pp. 547. doi:10.3390/pharmaceutics12060547 Preclinical
https://doi.org/10.3390/pharmaceutics12060547 - Feduraev, P., Skrypnik, L., Nebreeva, S., Dzhobadze, G. and others (2022) 'Variability of Phenolic Compound Accumulation and Antioxidant Activity in Wild Plants of Some Rumex Species (Polygonaceae)', Antioxidants (Basel), 11(2), pp. 311. doi:10.3390/antiox11020311 Preclinical
https://doi.org/10.3390/antiox11020311 - Li, J.J., Li, Y.X., Li, N., Zhu, H.T. and others (2022) 'The genus Rumex (Polygonaceae): an ethnobotanical, phytochemical and pharmacological review', Natural Products and Bioprospecting, 12(1), pp. 21. doi:10.1007/s13659-022-00346-z Traditional / reference
https://doi.org/10.1007/s13659-022-00346-z - Prakash Mishra, A., Sharifi-Rad, M., Shariati, M.A., Mabkhot, Y.N. and others (2018) 'Bioactive compounds and health benefits of edible Rumex species - A review', Cellular and Molecular Biology, 64(8), pp. 27-34. doi:10.14715/cmb/2018.64.8.5 Traditional / reference
https://doi.org/10.14715/cmb/2018.64.8.5 - Pan, Y., Zhao, X., Kim, S.H., Kang, S.A. and others (2020) 'Anti-inflammatory effects of Beopje curly dock (Rumex crispus L.) in LPS-induced RAW 264.7 cells and its active compounds', Journal of Food Biochemistry, 44(7), pp. e13291. doi:10.1111/jfbc.13291 Preclinical
https://doi.org/10.1111/jfbc.13291 - Chevallier, A (1996) 'The Encyclopedia of Medicinal Plants'. Traditional / reference
https://scholar.google.com/scholar?q=The%20Encyclopedia%20of%20Medicinal%20Plants - Grieve, M (1931) 'A Modern Herbal'. Traditional / reference
https://scholar.google.com/scholar?q=A%20Modern%20Herbal - Royal Botanic Gardens, Kew (n.d.). Available at: https://powo.science.kew.org Traditional / reference
https://powo.science.kew.org - Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition - Foraging Course Company 'Foraging Guide: Lords and Ladies (Arum maculatum)'. Available at: https://www.foragingcoursecompany.co.uk/post/foraging-guide-lords-and-ladies Traditional / reference
https://www.foragingcoursecompany.co.uk/post/foraging-guide-lords-and-ladies - Wild Food UK (2020) 'Wild garlic impostors'. Available at: https://www.wildfooduk.com/articles/identifying-mushrooms-and-plants/wild-garlic-impostors/ Traditional / reference
https://www.wildfooduk.com/articles/identifying-mushrooms-and-plants/wild-garlic-impostors/
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.