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MEDICINAL PLANTS OF ASIA AND THE PACIFIC - PART 8

tiềm năng dược lý trong đó sẽ được giá trị investigating.22 độc tính của các hạt giống có thể nợ limonoids, chẳng hạn như sandoricin và 6-hydroxysandoricin, được hiệu quả antifeedants.19-24 30,9 TOONA sinensis (JUSS.) ROEM. [: Ấn Độ hoạt hình = tên của các loài Toona | PHAN TẤT HOÀ --- NHỮNG CÂY TI H OC CHÂU Á THÁI BÌNH DƯƠNG 188 Figure 30.14 with ED50 values of 0.61pg mL and 0.11pg mL respectively.21 Note that the leaves of Sandoricum koejape Burm. f. Merr. abound with trijugin-class limonoids including sandrapins A B and C Figure 30.14 the pharmacological potential of which would be well worth investigating.22 The toxicity of the seeds is probably owed to limonoids such as sandoricin and 6-hydroxysandoricin which are effective antifeedants.19-24 30.9 TOONA SINENSIS JUSS. ROEM. From Indian toon the name of Toona species and from Latin sinensis from China. 30.9.1 Botany Toona sinensis Juss. Roem. Cedrela sinensis Juss. and Cedrelas serrata is a big tree 36m tall with a girth of 1.6m which grows in tropical Asia from Nepal and China and Taiwan eastward in the highlands of Sumatra and Java. It is cultivated in Europe as a street ornamental. The bole is fissured and shows small bulk 1m in height and with 30cm buttresses. The bark is fissured and gray. The inner bark is meat-red and laminated and has a pepperish-garlic smell. The wood is white and valued for making Chinese furniture. The stems are glabrous and lenticelled. The leaves are paripinnate spiral and exstipulate. The rachis is 30cm long and holds 10-17 pairs of folioles. The petiolules are 1.2cm PHAN TẤT HOÀ --- NHỮNG CÂY TI H OC CHÂU Á THÁI BÌNH DƯƠNG 189 long. The blade is serrate lanceolate asymmetrical and apiculate with a Icm-long tail and 12.7cm X 3.4-9cm X 2.5-12.2cm X 3-13cm X 3cm. The inflorescences are 70cm- to 1m-long panicles of tiny flowers pendant behind leafy stems. The flowers evoke a powerful sour smell detected 100ft away from the tree. The petals are white flushed green and 2-5mm long. The fruits are 2.3cm X 1cm 5partite dehiscent fusiform capsules splitting into five valves around Copvright C2006 1 avlor 1 the highlands ot Sumatra and Java. It Is cultivated hl Europe as a street ornamental. I he 1 Is fissured anil s flows small hulk 1m ill o . .