Du Songshi

[ ]."" Chinese Medicine Pharmacology
[ ] Pinyin name Dù Sō n Sh í
[ ] Morimatsu Ko ( alias" Ningxia Handbook of Chinese herbal medicine" )
[ source ] to Cupressaceae plants Du Song fruit. In October when the fruit is ripe to lay, drying in the shade.
[ ] the original morphology
Du Song, aka: collapse of pine, pine, juniper stick.
Shrubs or trees, up to 10meters. Bark dark brown, the tree has a longitudinal strip crack, crown conical or round. 3 leaves verticillate, needle form, grow 10 ～20 centimeters, ca. 1 mm wide, apex acute, surface has a deep groove and a white stomatal bands, qualitative hard, thorn in hand. Flowers axillary, unisexual, male ovate, for more on stamen, from 4 to4.5 mm long, yellow; female ball,3 mm long, green. Seed cones usually globose, diameter8mm, purplish brown, the surface is white. Florescence in May. Fruit period in October.
[ ] Yu Xiangyang hillside habitat distribution growth, dry barren sandy land. Distribution of Hebei, Henan, Shandong, Shanxi, Shaanxi, Gansu, Inner Mongolia and northeast and other places.
[ character ] the dried ripe fruit is spherical or elliptical in shape, diameter 7～ 8mm, purplish brown, shiny, with white surface. Containing seeds of 2～ 3, there are1or4. Seeds ovoid, brown. Special fragrance, taste sweet.
[ ] the chemical composition
Cone containing volatile oil, in36.3%,α - pinene myrcene12.9%,Δ 3- CARENE0.8%, limonene1.6%, p-cymene0.9%,β - Elemene in2%, Ishi Take was0.4%, with0.4% of Humulus scandens,γ- cadinen0.2%, pine oil, borneol and citronellol enol 0.02%0.20%,0.05%, anethole.
The leaves contain amentoflavone, Nageia, little cypress double double flavone A flavone. Branches, leaf volatile oil, its composition and volatile oil from the fruit of similarity
Heartwood contains various terpenoids, of which the main is δ- cadinen,α- and β - cedrene accounted for about 70%, other two hydrogen calamus, percussion and terpene, test ofβ - elemene, farnesene, caryophyllene, Humulus scandens ene, bisabolene,β- Qin sub -,α- turmeric ene, thujopsene,α- and β - calamus test Xi,α -,β -,γ- and δ - Acorus calamus L,α-,β - calamus enol,3 β - hydroxy sandaracopimaric acid, ferruginol, Yagi Sugi, cedar resin phenol,Δ6- to hydrogen ferruginol,6,12- two hydroxy - rosin four ene -5,8,11,13- -7 ketone,12- methoxy - rosin three with -8,11,13- glycol -7 β,11,12- methoxy - rosin allyl -6four,8,11. -1113- alcohol,7 β,12- two methoxy - rosin three with -8,11,13- alcohol -11,7 β- ethoxy -12- methoxy - rosin three with -8,11,13- alcohol -11, yellow cedar alcohol, and tropolone sesquiterpene alcohols such as nootka.
[ ] Du Song seeds of pharmacological effects of petroleum ether extract in vitro on Staphylococcus aureus inhibition, diluted to1:1600 still can suppress bacterial growth, petroleum ether extract in turn will with 3% sodium bicarbonate, sodium carbonate,3%3% potassium hydroxide, potassium hydroxide solution found by the part has an antibacterial effect, diluted to1:12800 also has role, but on Escherichia coli, Salmonella typhimurium and Shigella dysenteriae then no effect. Will this vacuum distillation the distilled fluid on Staphylococcus aureus in diluted to1:12800also has antibacterial action. The chemical determination of this antibiotic for rosin acid isomers.
[ indications ]
Carminative, dehumidification, diuresis.
①" Chinese Medicine Pharmacology": diuretic transpiration. For edema, urinary genital diseases, such as gout.
②Wang Dianxiang" pharmacognosy": a stomach and excitatory effect. For heart disease or liver disease caused by edema.
The" Ningxia Handbook of Chinese herbal medicine": sweating, removing dampness, analgesia.
[ usage]: orally taken decoction,0.3～ 1money. External: trace and apply.
[ ] of Party rule rheumatoid joint pain: Gin amount, Daolan topical. (" Ningxia Handbook of Chinese herbal medicine" )
[ ]" * dictionary" excerpt

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