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通过对新棕、陈棕、陈棕炭及市售止血药血安（棕榈子提取物的干浸膏）等的水、醇、乙酸提取液的薄层层析和对小鼠、家兔凝血时间的测定，结果表明新棕、陈棕、陈棕炭、血安等主要斑点的数量、荧光、Ｒｆ值相同，由此推断其止血的主要有效成分是相同的。２０％陈棕炭水煎液即有显著的凝血效果（Ｐ＜０．０５），３０％以上浓度时，其凝血作用与同浓度的血安比，似有超过血安的趋势。通过时效关系的测定，发现陈棕炭体内有效浓度维持２４小时。
Through thin-layer chromatography of water, alcohol, and acetic acid extracts such as neo-brown, brown, charcoal, and commercially available hemostatics (dry extracts of palm extract), and coagulation of mice and rabbits The time was measured and the results showed that the number, fluorescence, and Rf values of the main spots of new brown, brown, charcoal, and blood security were the same, and it was concluded that the main effective components of hemostasis were the same. 20% of charcoal decoction had significant coagulation effect (P<0.05). At 30% concentration, the clotting effect and the blood concentration ratio of the same concentration appeared to exceed the blood safety trend. Through the determination of the time-effect relationship, it was found that the effective concentration in Chenbi charcoal was maintained for 24 hours.