{"product_id":"white-oak-bark","title":"White Oak Bark","description":"\u003ch1\u003e\u003cstrong\u003eQUERCUS ALBA (BARK)\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cem\u003e(White Oak, Eastern White Oak)\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFamily:\u003c\/strong\u003e Fagaceae\u003cbr\u003e\u003cstrong\u003ePart Used:\u003c\/strong\u003e Inner bark (primary); acorn and galls secondary\/traditional\u003cbr\u003e\u003cstrong\u003eEnergetics:\u003c\/strong\u003e Cooling, drying, strongly contracting\u003cbr\u003e\u003cstrong\u003eTaste:\u003c\/strong\u003e Intensely astringent, bitter\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eBOTANICAL IDENTIFICATION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eScientific Name:\u003c\/strong\u003e \u003cem\u003eQuercus alba\u003c\/em\u003e L.\u003cbr\u003e\u003cstrong\u003eCommon Names:\u003c\/strong\u003e White Oak, Eastern White Oak\u003cbr\u003e\u003cstrong\u003eFamily:\u003c\/strong\u003e Fagaceae\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMorphology:\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eQuercus alba\u003c\/em\u003e is a \u003cstrong\u003elarge, long-lived deciduous tree\u003c\/strong\u003e reaching \u003cstrong\u003e20–30 meters (65–100 ft)\u003c\/strong\u003e in height, with a broad, rounded crown and massive trunk. Leaves are alternate, obovate to elliptic, with \u003cstrong\u003erounded lobes\u003c\/strong\u003e (no bristle tips), turning red to purple in autumn.\u003c\/p\u003e\n\u003cp\u003eThe bark is light gray to pale ash, forming scaly plates with age. The \u003cstrong\u003einner bark (cambium)\u003c\/strong\u003e is fibrous, pale tan, and extremely tannin-rich; this layer is the primary medicinal portion.\u003c\/p\u003e\n\u003cp\u003eFlowers appear in spring as inconspicuous catkins (male) and small spikes (female). Acorns mature in a single season and are relatively low in tannins compared to other oaks, making them historically edible after minimal processing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRoot system:\u003c\/strong\u003e\u003cbr\u003eA deep taproot in youth transitioning to an extensive lateral root system, conferring exceptional drought resistance and structural stability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eHABITAT, RANGE, AND ADAPTATIONS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhite Oak is native to \u003cstrong\u003eeastern and central North America\u003c\/strong\u003e, ranging from southern Canada through the eastern United States into parts of the Midwest and South.\u003c\/p\u003e\n\u003cp\u003eIt thrives in \u003cstrong\u003emixed hardwood forests\u003c\/strong\u003e, preferring deep, well-drained loams but tolerating a wide range of soils. White Oak is slow-growing yet extremely durable, often living several centuries.\u003c\/p\u003e\n\u003cp\u003eAdaptations include \u003cstrong\u003ehigh concentrations of hydrolyzable and condensed tannins\u003c\/strong\u003e in bark and wood, providing strong chemical defense against insects, fungi, and grazing animals, and contributing to the tree’s resistance to rot.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eCULTIVATION AND ECOLOGY\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eQuercus alba\u003c\/em\u003e is difficult to transplant due to its deep taproot but regenerates well from seed in suitable habitats. It grows slowly but steadily, investing heavily in structural integrity rather than rapid growth.\u003c\/p\u003e\n\u003cp\u003eEcologically, White Oak is a \u003cstrong\u003ekeystone species\u003c\/strong\u003e, supporting hundreds of insect species and providing acorns that are a critical food source for birds and mammals. Its long lifespan and dense wood make it foundational to forest stability and succession.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTRADITIONAL AND ETHNOBOTANICAL USE\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhite Oak bark has been widely used by \u003cstrong\u003eIndigenous nations across North America\u003c\/strong\u003e, including Cherokee, Iroquois, Ojibwe, and many others.\u003c\/p\u003e\n\u003cp\u003eTraditionally, the bark was used for \u003cstrong\u003ediarrhea, dysentery, hemorrhage, wounds, infections, sore throats, and prolapsed tissues\u003c\/strong\u003e. Decoctions were taken internally for \u003cstrong\u003ebleeding and gastrointestinal weakness\u003c\/strong\u003e, while strong washes and poultices were applied externally for \u003cstrong\u003eulcers, burns, hemorrhoids, and skin infections\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEuropean settlers quickly adopted White Oak into colonial and later Eclectic medicine, where it became a principal \u003cstrong\u003eastringent and tonic\u003c\/strong\u003e for mucosal and connective tissues. It was considered especially useful where tissues were \u003cstrong\u003erelaxed, inflamed, or leaking fluids\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eModern herbalists continue to rely on White Oak bark as a \u003cstrong\u003efoundational astringent\u003c\/strong\u003e, particularly in conditions of chronic tissue laxity or excessive discharge.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY BIOACTIVE COMPOUNDS AND BENEFITS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCompound Class\u003c\/th\u003e\n\u003cth\u003eRepresentative Compounds\u003c\/th\u003e\n\u003cth\u003eRole in Plant\u003c\/th\u003e\n\u003cth\u003eHuman Benefits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHydrolyzable tannins\u003c\/td\u003e\n\u003ctd\u003eGallotannins, ellagitannins\u003c\/td\u003e\n\u003ctd\u003eDefense against fungi, insects, and decay\u003c\/td\u003e\n\u003ctd\u003ePowerful astringent, antimicrobial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondensed tannins\u003c\/td\u003e\n\u003ctd\u003eProanthocyanidins\u003c\/td\u003e\n\u003ctd\u003eStructural reinforcement of bark\u003c\/td\u003e\n\u003ctd\u003eTissue-toning, anti-inflammatory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhenolic acids\u003c\/td\u003e\n\u003ctd\u003eGallic acid, ellagic acid\u003c\/td\u003e\n\u003ctd\u003eOxidative stress protection\u003c\/td\u003e\n\u003ctd\u003eAntioxidant, antimicrobial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlavonoids\u003c\/td\u003e\n\u003ctd\u003eQuercetin derivatives\u003c\/td\u003e\n\u003ctd\u003eUV protection and signaling\u003c\/td\u003e\n\u003ctd\u003eCapillary-strengthening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePolysaccharides\u003c\/td\u003e\n\u003ctd\u003eStructural carbohydrates\u003c\/td\u003e\n\u003ctd\u003eMechanical support\u003c\/td\u003e\n\u003ctd\u003eDemulcent balance (minor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe \u003cstrong\u003eexceptionally high tannin content\u003c\/strong\u003e explains White Oak’s unmatched ability to contract, dry, and strengthen tissues.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eHOW IT WORKS IN THE BODY\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTissue and Mucosal Integrity:\u003c\/strong\u003e\u003cbr\u003eWhite Oak bark causes \u003cstrong\u003eprotein precipitation at tissue surfaces\u003c\/strong\u003e, leading to tightening of mucous membranes, reduced secretions, and increased resistance to microbial invasion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGastrointestinal Effects:\u003c\/strong\u003e\u003cbr\u003eIn the gut, tannins reduce excessive peristalsis and fluid loss, making White Oak effective in \u003cstrong\u003ediarrhea, dysentery, and inflammatory bowel conditions\u003c\/strong\u003e when used short-term.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTopical and Wound Actions:\u003c\/strong\u003e\u003cbr\u003eExternally, White Oak reduces inflammation, arrests bleeding, and creates an environment unfavorable to bacterial and fungal growth.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eACTIONS AND INDICATIONS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eQuercus alba\u003c\/em\u003e bark acts as a \u003cstrong\u003epowerful astringent, antimicrobial, anti-inflammatory, styptic, and tissue tonic\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIt is indicated for \u003cstrong\u003ediarrhea, dysentery, hemorrhoids, varicose veins, prolapse, excessive vaginal discharge, sore throat, bleeding gums, wounds, ulcers, burns, eczema, and oozing skin conditions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhite Oak is especially appropriate where tissues are \u003cstrong\u003eweak, boggy, inflamed, or failing to maintain tone\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003ePREPARATIONS AND DOSAGE\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003cth\u003ePreparation\u003c\/th\u003e\n\u003cth\u003eSuggested Dose\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDecoction\u003c\/td\u003e\n\u003ctd\u003e½–1 tsp inner bark per cup water; simmer 20–30 min\u003c\/td\u003e\n\u003ctd\u003e1 cup, up to 3× daily\u003c\/td\u003e\n\u003ctd\u003eShort-term internal use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTincture (1:5, 40–60%)\u003c\/td\u003e\n\u003ctd\u003eDried bark\u003c\/td\u003e\n\u003ctd\u003e1–3 mL, 2–3× daily\u003c\/td\u003e\n\u003ctd\u003eConcentrated astringency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGargle\u003c\/td\u003e\n\u003ctd\u003eStrong decoction\u003c\/td\u003e\n\u003ctd\u003eAs needed\u003c\/td\u003e\n\u003ctd\u003eSore throat, gums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSitz bath\u003c\/td\u003e\n\u003ctd\u003eStrong decoction\u003c\/td\u003e\n\u003ctd\u003e10–20 min\u003c\/td\u003e\n\u003ctd\u003eHemorrhoids, prolapse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopical wash\u003c\/td\u003e\n\u003ctd\u003eDecoction\u003c\/td\u003e\n\u003ctd\u003eApply externally\u003c\/td\u003e\n\u003ctd\u003eWounds, skin issues\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWhite Oak pairs well with \u003cstrong\u003eMarshmallow Root\u003c\/strong\u003e or \u003cstrong\u003eSlippery Elm\u003c\/strong\u003e to balance excessive dryness, and with \u003cstrong\u003eYarrow\u003c\/strong\u003e for bleeding and tissue repair.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eSAFETY, CONTRAINDICATIONS, AND TOXICITY\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhite Oak bark is safe when used \u003cstrong\u003eappropriately and short-term\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eProlonged internal use may cause \u003cstrong\u003econstipation, reduced nutrient absorption, or digestive irritation\u003c\/strong\u003e due to high tannin levels. Avoid long-term internal use without professional guidance.\u003c\/p\u003e\n\u003cp\u003eUse caution in individuals with \u003cstrong\u003esevere constipation, iron-deficiency anemia\u003c\/strong\u003e, or during \u003cstrong\u003epregnancy\u003c\/strong\u003e (internal use).\u003c\/p\u003e\n\u003cp\u003eNo significant drug interactions are documented, though tannins may reduce absorption of medications if taken simultaneously.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGeneral Toxicological Reference (LD₅₀)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhole \u003cem\u003eQuercus alba\u003c\/em\u003e bark extracts:\u003c\/strong\u003e\u003cbr\u003eAcute oral toxicity studies in animals indicate \u003cstrong\u003every low toxicity\u003c\/strong\u003e, with LD₅₀ values generally \u003cstrong\u003e\u0026gt;2,000 mg\/kg\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolated tannins (gallic\/ellagic acid):\u003c\/strong\u003e\u003cbr\u003eOral LD₅₀ values reported \u003cstrong\u003e\u0026gt;1,000 mg\/kg\u003c\/strong\u003e, though chronic high intake may stress liver and kidneys\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eClinical relevance:\u003c\/strong\u003e\u003cbr\u003eThese values support White Oak’s safety as a \u003cstrong\u003etopical and short-term internal astringent\u003c\/strong\u003e, not as a chronic internal tonic.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eHARVEST AND PROCESSING\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eInner bark is harvested in \u003cstrong\u003espring\u003c\/strong\u003e, when sap is rising and bark separates easily. Ethical practice requires harvesting from \u003cstrong\u003efallen trees, storm damage, or pruned limbs\u003c\/strong\u003e, never girdling living trees.\u003c\/p\u003e\n\u003cp\u003eBark is dried in strips and stored airtight. Properly dried bark retains potency for \u003cstrong\u003e2–3 years\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eSUSTAINABILITY AND CONSERVATION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eQuercus alba\u003c\/em\u003e is widespread but \u003cstrong\u003eslow-growing\u003c\/strong\u003e. Overharvesting of bark can permanently damage trees.\u003c\/p\u003e\n\u003cp\u003eEthical sourcing emphasizes \u003cstrong\u003eminimal-impact harvest\u003c\/strong\u003e, use of secondary material, and respect for White Oak’s role as a long-lived keystone species in forest ecosystems.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eSUMMARY\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWhite Oak is the \u003cstrong\u003earchetype of astringency\u003c\/strong\u003e—strong, disciplined, and uncompromising. Where tissues have lost integrity, fluids leak, or inflammation erodes structure, \u003cem\u003eQuercus alba\u003c\/em\u003e restores firmness and boundary.\u003c\/p\u003e\n\u003cp\u003eIts medicine is not subtle, but it is precise. When used with intention and restraint, White Oak bark provides one of the most reliable tools in herbalism for \u003cstrong\u003econtainment, repair, and structural healing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Sugar Creek Trading Company","offers":[{"title":"powder \/ 25g","offer_id":50934988701994,"sku":null,"price":2.72,"currency_code":"USD","in_stock":false},{"title":"cut\/sifted \/ 25g","offer_id":50934988734762,"sku":null,"price":2.65,"currency_code":"USD","in_stock":false},{"title":"powder \/ 50g","offer_id":50934988767530,"sku":null,"price":4.62,"currency_code":"USD","in_stock":false},{"title":"cut\/sifted \/ 50g","offer_id":50934988800298,"sku":null,"price":4.51,"currency_code":"USD","in_stock":false},{"title":"powder \/ 100g","offer_id":50934988833066,"sku":null,"price":8.69,"currency_code":"USD","in_stock":false},{"title":"cut\/sifted \/ 100g","offer_id":50934988865834,"sku":null,"price":8.48,"currency_code":"USD","in_stock":false},{"title":"powder \/ 250g","offer_id":50934988898602,"sku":null,"price":18.46,"currency_code":"USD","in_stock":false},{"title":"cut\/sifted \/ 250g","offer_id":50934988931370,"sku":null,"price":18.02,"currency_code":"USD","in_stock":false},{"title":"powder \/ 500g","offer_id":50934988964138,"sku":null,"price":34.34,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 500g","offer_id":50934988996906,"sku":null,"price":33.51,"currency_code":"USD","in_stock":true},{"title":"powder \/ 1kg","offer_id":50934989029674,"sku":null,"price":64.56,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 1kg","offer_id":50934989062442,"sku":null,"price":63.0,"currency_code":"USD","in_stock":true},{"title":"powder \/ 2kg","offer_id":50934989095210,"sku":null,"price":122.67,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 2kg","offer_id":50934989127978,"sku":null,"price":119.7,"currency_code":"USD","in_stock":true},{"title":"powder \/ 5kg","offer_id":50934989160746,"sku":null,"price":291.34,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 5kg","offer_id":50934989193514,"sku":null,"price":284.29,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 10kg","offer_id":50934989226282,"sku":null,"price":540.16,"currency_code":"USD","in_stock":true},{"title":"powder \/ 10kg","offer_id":50934989259050,"sku":null,"price":553.56,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 25kg","offer_id":50934989291818,"sku":null,"price":1282.87,"currency_code":"USD","in_stock":true},{"title":"powder \/ 25kg","offer_id":50934989324586,"sku":null,"price":1314.69,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 50kg","offer_id":50934989357354,"sku":null,"price":2437.46,"currency_code":"USD","in_stock":true},{"title":"powder \/ 50kg","offer_id":50934989390122,"sku":null,"price":2497.92,"currency_code":"USD","in_stock":true},{"title":"cut\/sifted \/ 100kg","offer_id":50934989422890,"sku":null,"price":4631.18,"currency_code":"USD","in_stock":true},{"title":"powder \/ 100kg","offer_id":50934989455658,"sku":null,"price":4746.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/3547\/6010\/files\/white-oak-bark.png?v=1772272312","url":"https:\/\/sugarcreektradingcompany.com\/it\/products\/white-oak-bark","provider":"Sugar Creek Trading Company","version":"1.0","type":"link"}