Xanthium sibiricum Patrin. An annual herb of the Asteraceae family. Alias ​​Cubeton, Xanthium, wild fall Su. Widely distributed throughout the country. The north mainly damages soybeans, corn, wheat, sunflowers, potatoes and so on. The south mainly damages fruit trees. In addition, it is the host of pests such as cotton aphid, cotton bollworm, and cotton gold drills.
Morphological characteristics of thick seedlings, cotyledons oval lanceolate, fleshy hypertrophy. The stems of adult plants are more erect, thick, with blunt ribs and long strips, and plant height 30-100 cm. Leaves have long handles alternately; leaf blade triangular-ovate or heart-shaped, margin shallowly lobed or dentate, strigose on both surfaces. Flower unisexual, light yellowish green, monoecious; male flower head-shaped inflorescences globose, dense at branches; female flower heads elliptic, born under male inflorescences, total stipitate stipitate, with 2 flowers. Achenes are encased in hard, barbed cystic ridges. Seed breeding.
The ecological features are resistant to drought. Henan sprouts in late April, emerges from May to June, blooms from July to September, and matures from September to October. Heilongjiang was planted in mid-May, and it bloomed in mid-late July. The seeds matured in mid-late August. Seeds are easily mixed into crop seeds. The roots are well developed and buried deeper, so it is not easy to remove and pull out.
Safflower yellow can significantly inhibit ADP-induced platelet aggregation in rabbits, and also has a very obvious depolymerization effect on ADP-aggregated platelets. When the dosage was 0.22g/ml, the inhibition rate of aggregation and depolymerization reached 85.9% and 78.9% respectively. These effects of safflower yellow were enhanced with the increase of dosage. Safflower yellow has a very significant inhibitory effect on experimental thrombosis in rats, the inhibition rate is 73.4%. Because the thrombus material formed on the silk line is platelet aggregates, the reduction of wet weight of thrombus is obviously the result of drug inhibiting platelet aggregation. It is consistent with in vitro experiments that safflower yellow can inhibit platelet aggregation induced by ADP. Safflower yellow also significantly prolonged plasma recalcification time, prothrombin time and coagulation time in rabbits. It shows that it can affect the coagulation system both in vivo and in vitro. In addition, safflower oil can reduce blood lipid.
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