|Botanical Nomenclature||Quercus robur|
|Common Name||Pedunculate Oak|
|Distinguishing Features of the Plant||Quercus robur is a big, long-lived, deciduous tree growing up to 30m, with lobed, smooth, light colored leaves, which are formed at the same time with the cup-shaped flowers. The fruits (glans) have a characteristic long stalk and they taste like chestnuts. The flowering lasts from April to May and the harvesting takes place all year round.|
|Region Found||Ioannina (Pindos, Vikos-Aoos)|
|Part of the Plant with Active Substances||Leaves, seeds, galls (nodules which are formed to the bark of the tree by parasitic organisms) and the bark of the young branches.|
|Active Substances||Tannins, glycosides (quercetrine, quercetole), gallic acid, carbohydrates, pectin, calcium, magnesium, potassium. The fruits contain essential oil, resins, tannins, starch, bitter agents (quercetrine) and metal salts|
|Pharmacological Effects - Therapeutic Applications||The plant is administered in the form of infusion made from the rind of the tree against haemorrhoids, diarrhea, chronic dysentery, intestinal bleeding and uterine bleeding. It is applied externally in the form of herbal tea, mainly as astringent for the treatment of skin wounds, burns, mouth inflammation (gargling against ulcers and gingivitis), toothache and sore throat. Finally, it is applied to the skin in the form of oil, to cleanse the skin (against the freckles) and also externally to cure earaches.|
|Method of Administration||The plant is administered against diarrhea and dysentery in the form of infusion (4-10g of dried herb in a cup of boiling water, 3-4 times a day). It is applied externally to the skin as astringent in the form of herbal tea (5g of dried rind in 1L of boiled water), oil (2-3 drops, mainly against headaches and earache), ointment and anti-freckles cream.
Warning: The use of herb preparations is not recommended without seeking advice from your physician or pharmacist. The substances they contain may interact with the subscribed drugs that the patient already takes, thus eliminating their therapeutic efficacy or inducing toxicity. They may also burden further weakened vital functions of the body thus exposing the patient to increased morbidity and life threatened conditions.
|Toxicity- Adverse Effects||Extensive plant's consumption may cause renal, stomach and heart disorders|
|References||1) Bιβλίο: Τα φαρμακευτικά βότανα και οι θεραπευτικές τους ιδιότητες, Λάμπρου Π. Σπύρου, Αγροτικός εκδοτικός οίκος, Αθήνα 1981, Α' τόμος, σελίδες: 144-145 2) Βιβλίο: Οδηγός των φαρμακευτικών φυτών, Paul Schauenberg, Ferdinand Paris, Εκδότης Μ. Γκιούρδας, Αθήνα 1981, σελίδες 208 3)http://www.ema.europa.eu/docs/en_GB/document_library/Herbal_-_HMPC_assessment_report/2011/05/WC500106476.pdf 4)https://www.botanical.com/botanical/mgmh/o/oakcom01.html 5)http://www.sacredearth.com/ethnobotany/plantprofiles/oak.php 6)http://scu.edu.au/scps/index.php/126/|