None known

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Anodyne  Skin

The bark is used in traditional medicine. A decoction or maceration is taken to treat bronchitis, lung complaints, colds, oedema and as an anodyne[ 299 ]. The bark pulp is applied externally to furuncles and wounds[ 299 ]. The lactone entandrophragmin has been isolated from the heartwood and bark. It showed high toxicity to tadpoles[ 299 ]. The bark contains tannins and several acyclic triterpenoids, called sapelenins[ 299 ].

Charcoal  Essential  Fuel  Furniture  Insecticide  Lacquer  Repellent  Resin  Tannin  Wood

Other Uses: Bark extracts have been used to protect stored maize from pests[ 299 ]. The extracts have shown inhibitory effects on the reproduction of the maize weevil Sitophilus zeamais[ 299 ]. The tannin present in the bark has been used experimentally to produce tannin-formaldehyde resin, which can be used as lacquer, although the drying time was rather long, 5 - 7 hours[ 299 ]. An essential oil is obtained from the bark. The major constituents are y-cadinene (9 - 23%), a-copaene (7 - 22%) and T-cadinol (18 - 28%)[ 299 ]. The seeds contain about 45% oil. The fatty acid composition of the oil is characterized by the presence of about 50% cis-vaccenic acid, a rare isomer of oleic acid, that can be used in the industrial production of nylon-11[ 299 ]. Other major fatty acids are stearic acid (16%), oleic acid (7%), linoleic acid (5%) and linolenic acid (6%)[ 299 ]. The heartwood is pinkish brown when freshly cut, darkening upon exposure to reddish brown or purplish brown; it is distinctly demarcated from the 4 - 8cm wide band of creamy white to pinkish grey sapwood. The grain is interlocked or wavy; texture fairly fine; there is a a distinct cedar-like smell. The wood is moderately heavy, moderately hard; it is moderately durable, being liable to powder-post beetle, pinhole borer and marine borer attacks, with moderate resistance to termites and fungi, and good resistance to dry wood borers. It seasons normally, with a high risk of distortion; once dry it is moderately stable in service. The wood saws and works easily with both hand and machine tools; it has only slight blunting effects on cutting edges. In planing and moulding operations, a 15 - 20° cutting angle is recommended to avoid picking up of grain. Finishing gives usually good results, with a nice polish. The wood is not liable to splitting in nailing and screwing, with good holding properties. The gluing, staining and polishing properties are good, but the steam bending properties are poor. The wood is suitable for the production of both sliced and rotary veneer; steaming for 48 - 72 hours at 85°C gives good results. The wood is highly valued for flooring, interior joinery, interior trim, panelling, stairs, high class furniture, cabinet work, musical instruments, carvings, ship building, veneer and plywood. It is suitable for construction, vehicle bodies, toys, novelties, boxes, crates and turnery[ 299 , 848 ]. The bole is traditionally used for dug-out canoes[ 299 ]. Wood that can not be utilized as timber is used as firewood and for charcoal production[ 299 ].

Special Uses