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Betula mandschurica var. japonica - Japanese birch; Betula neoalaskana - Alaska birch or Yukon birch; Betula occidentalis - Water birch or red birch (B. fontinalis) Betula platyphylla (Betula pendula var. platyphylla) - Siberian silver birch; Betula populifolia - Gray birch; Betula szechuanica (Betula pendula var. szechuanica) - Sichuan birch ...
Birch triterpenes, sold under the brand name Filsuvez, is an extract of birch bark used as a topical medication for the treatment of epidermolysis bullosa. [ 1 ] [ 3 ] The active ingredients are triterpenes extracted from the outer bark of silver birch ( Betula pendula ) and downy birch ( Betula pubescens ).
Betula platyphylla, the Asian white birch [1] or Japanese white birch, [2] is a tree species in the family Betulaceae. [1] [3] It can be found in subarctic and temperate Asia in Japan, China, Korea, Mongolia, the Russian Far East, and Siberia. It can grow to be 30 metres (100 feet) tall. [3]
Birch bark or birchbark is the bark of several Eurasian and North American birch trees of the genus Betula. For all practical purposes, birch bark's main layers are the outer dense layer, white on the outside, and the inner porous layer . For vast majority of crafts, the outer bark is used. In many languages it has a separate name.
A birch is a thin-leaved deciduous hardwood tree of the genus Betula (/ ˈ b ɛ tj ʊ l ə /), [2] in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech-oak family Fagaceae. The genus Betula contains 30 to 60 known taxa of which 11 are on the IUCN 2011 Red List of Threatened Species.
Birch bark tar use as an adhesive began in the Middle Paleolithic. Neanderthals produced tar through dry distillation of birch bark as early as 200,000 years ago. [6] A 2019 study demonstrated that birch bark tar production can be a simpler, more discoverable process by directly burning birch bark under overhanging stone surfaces in open-air conditions. [7]
Jesuit's bark, also known as cinchona bark, Peruvian bark or China bark, is a former remedy for malaria, as the bark contains quinine used to treat the disease. [1] The bark of several species of the genus Cinchona , family Rubiaceae indigenous to the western Andes of South America, was introduced to Jesuit missionaries during the 17th century ...
A 2012 Cochrane Review, updated in 2020, Robertson et al. reviewed the evidence on the efficacy of pine bark extract for treating a wide range of complaints (including asthma, children with ADHD, blood pressure, pain in CVI, reducing fasting blood glucose, osteoarthritis of the knee, cognitive failure in those with traumatic brain injury) and in all cases failed to find evidence to support the ...