Quercus suber Health effects and herbal facts

Known as
cork oak

Quercus suber, commonly called the cork oak, is a medium-sized, evergreen oak tree in the section Quercus sect. Cerris. It is the primary source of cork for wine bottle stoppers and other uses, such as cork flooring. It is native to southwest Europe and northwest Africa. It grows to up to 20 m, although it is typically more stunted in its native environment. The leaves are 4 to 7 cm long, weakly lobed or coarsely toothed, dark green above, paler beneath, with the leaf margins often downcurved. The acorns are 2 to 3 cm long, in a deep cup fringed with elongated scales.

Quercus suber

Economic importance of Quercus suber

Materials cork/cork substitute

Gallery

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Geografical distribution

  • AFRICA
    Native
    • Northern Africa: Algeria ; Morocco; Tunisia
  • EUROPE
    Native
    • Southeastern Europe: Italy
    • Southwestern Europe: France ; Portugal; Spain

Biological activities

Allelochemic
Vanillin found in Cork
Allergenic
Vanillin found in Cork
Anthelmintic
Betulinic-acid found in Cork
Tannin found in Cork (65000 ppm)
AntiHIV
Betulin found in Cork
Betulinic-acid found in Cork
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Antianemic
Vanillin found in Cork
Antibacterial
Betulinic-acid found in Cork
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Anticancer
Betulinic-acid found in Cork
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Anticarcinomic
Betulin found in Cork
Betulinic-acid found in Cork
Anticariogenic
Tannin found in Cork (65000 ppm)
Anticoronary
Lignin found in Cork (180000 ppm)
Antidiarrheic
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Antidrepanocytic
Vanillin found in Cork
Antidysenteric
Tannin found in Cork (65000 ppm)
Antiedemic
Betulinic-acid found in Cork
Antiescherichic
Vanillin found in Cork
Antifeedant
Betulin found in Cork
Antiflu
Betulin found in Cork
Antihepatotoxic
Tannin found in Cork (65000 ppm)
Antihypertensive
Tannin found in Cork (65000 ppm)
Antiinflammatory
Betulin found in Cork
Betulinic-acid found in Cork
Friedelin found in Cork
Antilactobacillic
Vanillin found in Cork
Antileukemic
Betulinic-acid found in Cork
Antilipolytic
Tannin found in Cork (65000 ppm)
Antilisteria
Vanillin found in Cork
Antimalarial
Betulinic-acid found in Cork
Antimelanomic
Betulinic-acid found in Cork
Antimutagenic
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Antinephritic
Tannin found in Cork (65000 ppm)
Antinitrosaminic
Lignin found in Cork (180000 ppm)
Antinociceptive
Betulinic-acid found in Cork
Antiophidic
Tannin found in Cork (65000 ppm)
Antioxidant
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Antiplasmodial
Betulinic-acid found in Cork
Antipolio
Vanillin found in Cork
Antiradicular
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Antirenitic
Tannin found in Cork (65000 ppm)
Antisickling
Vanillin found in Cork
Antitumor-Promoter
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Antitumor
Betulin found in Cork
Betulinic-acid found in Cork
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Antiulcer
Tannin found in Cork (65000 ppm)
Antiviral
Betulin found in Cork
Betulinic-acid found in Cork
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Antiyeast
Vanillin found in Cork
Aphidifuge
Betulin found in Cork
Apoptotic
Betulinic-acid found in Cork
Bacteristat
Vanillin found in Cork
Cancer-Preventive
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Candidicide
Vanillin found in Cork
Carcinogenic
Tannin found in Cork (65000 ppm)
Chelator
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Choleretic
Vanillin found in Cork
Cyclooxygenase-Inhibitor
Tannin found in Cork (65000 ppm)
Cytotoxic
Betulin found in Cork
Betulinic-acid found in Cork
Diuretic
Friedelin found in Cork
FLavor
Glycerin found in Cork (65000 ppm)
Vanillin found in Cork
Fungicide
Vanillin found in Cork
Glucosyl-Transferase-Inhibitor
Tannin found in Cork (65000 ppm)
Hemostat
Cellulose found in Cork (50000 ppm)
Hepatoprotective
Tannin found in Cork (65000 ppm)
Hypocholesterolemic
Lignin found in Cork (180000 ppm)
Hypolipemic
Betulin found in Cork
Immunosuppressant
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Irritant
Vanillin found in Cork
Laxative
Lignin found in Cork (180000 ppm)
Lipoxygenase-Inhibitor
Tannin found in Cork (65000 ppm)
MAO-Inhibitor
Tannin found in Cork (65000 ppm)
Ornithine-Decarboxylase-Inhibitor
Tannin found in Cork (65000 ppm)
Perfumery
Vanillin found in Cork
Pesticide
Lignin found in Cork (180000 ppm)
Tannin found in Cork (65000 ppm)
Vanillin found in Cork
Phospholipase-A2-Inhibitor
Betulinic-acid found in Cork
Prostaglandin-Synthesis-Inhibitor
Betulin found in Cork
Betulinic-acid found in Cork
Psychotropic
Tannin found in Cork (65000 ppm)
Topoisomerase-II-Inhibitor
Betulin found in Cork
Xanthine-Oxidase-Inhibitor
Tannin found in Cork (65000 ppm)

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Chemicals detected

Chemical Plant part Low ppm High ppm
Ash Cork 1,000 40,000
Betulin Cork
Betulinic-acid Cork
Cellulose Cork 18,000 50,000
Ceroids Cork 45,000 150,000
Cyclitol Cork
Fatty-acids Cork 200,000 380,000
Friedelin Cork
Glycerin Cork 10,000 65,000
Lignin Cork 126,000 180,000
Phellogenic-acid Cork
Phellonic-acid Cork
Phlobaphene Cork
Phloionic-acid Cork
Phloionolic-acid Cork
Suberin Cork
Suberindiol Cork
Tannin Cork 20,000 65,000
Vanillin Cork
Water Cork 30,000 70,000
Reference: Dr. Duke's Phytochemical and Ethnobotanical Databases. [Online Database]