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Among the commercial products made from bark are cork, cinnamon, quinine [48] (from the bark of Cinchona) [49] and aspirin (from the bark of willow trees). The bark of some trees, notably oak (Quercus robur) is a source of tannic acid, which is used in tanning. Bark chips generated as a by-product of lumber production are often used in bark mulch.
The trunk consists of five main parts: The outer bark, inner bark , cambium, sapwood (live xylem), and heartwood (dead xylem). [2] From the outside of the tree working in: The first layer is the outer bark; this is the protective outermost layer of the trunk. Under this is the inner bark which is called the phloem. The phloem is how the tree ...
Barkcloth or bark cloth is a versatile material that was once common in Asia, Africa, and the Pacific. Barkcloth comes primarily from trees of the family Moraceae, including Broussonetia papyrifera, Artocarpus altilis, Artocarpus tamaran, and Ficus natalensis. It is made by beating sodden strips of the fibrous inner bark of these trees into ...
In trees, the phloem is the innermost layer of the bark, hence the name, derived from the Ancient Greek word φλοιός (phloiós), meaning "bark". [3] [4] The term was introduced by Carl Nägeli in 1858. [5] [6] Different types of phloem can be distinguished. The early phloem formed in the growth apices is called protophloem.
The term "bast" derives from Old English bæst ("inner bark of trees from which ropes were made"), from Proto-Germanic *bastaz ("bast, rope"). It may have the same root as Latin fascis ("bundle") and Middle Irish basc ("necklace").
Dried bark strips, bark powder and flowers of the small tree Cinnamomum verum Cinnamon is a spice obtained from the inner bark of several tree species from the genus Cinnamomum . Cinnamon is used mainly as an aromatic condiment and flavouring additive in a wide variety of cuisines , sweet and savoury dishes, breakfast cereals , snack foods ...
The inner bark is the only part of a tree trunk that is actually edible; the remaining bark and wood is made up of cellulose, which most animals, including humans, cannot digest. The dried and ground inner bark was added in proportions like 1/4th to 1/3rd "bark flour" to the remaining grain flour.
The outer bark is discarded; the inner bark, named tutu or loututu, is left-over. It is dried in the sun before being soaked. A break from beating the tapa in Nukuʻalofa. After this, the bark is beaten on a wooden tutua anvil using wooden mallets called ike. In the beating the bark is made thinner and spread out to a width of about 25 cm (9.8 in).