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Magnolia bark has traditionally been used in Eastern medicine as analgesic and to treat anxiety and mood disorders. [ 2 ] [ 6 ] In traditional Chinese medicine , magnolia bark is called Houpu and is most commonly taken from two species, Magnolia obovata and Magnolia officinalis . [ 7 ]
It is a bioactive compound found in the bark of the Houpu magnolia (Magnolia officinalis) and in M. grandiflora. [2] The compound exists at the level of a few percent in the bark of species of magnolia, the extracts of which have been used in traditional Chinese and Japanese medicine.
Flower and foliage of M. grandiflora. Magnolia grandiflora is a medium to large evergreen tree which may grow 120 ft (37 m) tall. [6] It typically has a single stem (or trunk) and a pyramidal shape. [7] The leaves are simple and broadly ovate, 12–20 cm (4 + 3 ⁄ 4 – 7 + 3 ⁄ 4 in) long and 6–12 cm (2 + 1 ⁄ 4 – 4 + 3 ⁄ 4 in) broad ...
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The bark is thick and brown, but does not fissure. The leaves are broad, ovate, 20–40 cm long, and 11–20 cm broad. The flowers are fragrant and 10–15 cm wide, with 9–12 (rarely to 17) white tepals, and appear from May to June. The two varieties are: Magnolia officinalis var. officinalis has leaves with an acute apex.
Below is a list of magnolia species and cultivars which currently (2016) [1] hold the Royal Horticultural Society's Award of Garden Merit. Magnolias are shrubs or trees which put on a showy display of tulip-like flowers, often scented, in early to late spring. Many are slow-growing and may take several years to start flowering.
Magnolia grandiflora L. - (SE US) Magnolia guatemalensis Donn. Sm. - (Guatemala, Honduras, El Salvador) Magnolia guatemalensis subsp. guatemalensis (Guatemala) Magnolia guatemalensis subsp. hondurensis (Molina) Vazquez (Honduras, El Salvador) Magnolia guerrerensis J.Jiménez Ram., K.Vega & Cruz Durán (Mexico) Magnolia iltisiana Vazquez (W Mexico)
Wrigley's product website for Eclipse describes the ingredient as Magnolia bark extract (MBE), which has its origins in traditional Chinese medicine. In lab tests, MBE is said to have killed almost all oral bacteria, including the types that cause bad breath and cavities.
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