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飞天蠄蟧(广东省中药材标准2026年版)

ว 2026-09-09 23:09:33ที่ 地方标准เ 中国国际医疗服务系统
飞天蠄蟧Feitianqinlao ALSOPHILAE SPINULOSAE CAULIS,标准号GDYC-059-2026。本品为桫椤科植物桫椤Alsophila spinulosa (Wall. ex Hook.) R.M.Tryon的干燥茎。全年可采,削去外皮,切片,晒干。【性状】本品多呈不规则圆形或半圆形斜切片,直径6~12cm,厚0.5~1cm,表面棕色,切面外层可见突出的大型叶柄残基,叶柄基直径可达1~2cm,周围边缘常有叶迹维管束;切面边缘部维管束排折叠状,形成波状弯曲而隆起硬脊和纵沟。中央髓部灰棕色,皱缩,有红棕色点状散在。质坚硬。气微,味微苦涩。【鉴别】(1)显微鉴别:粉末灰棕色至棕褐色。木纤维长梭形,壁稍厚,有稀疏的人字形或一字形纹孔。导管为梯纹导管。(2)薄层色谱:取本品粉末1g,加甲醇30ml,加热回流40分钟,滤过,滤液浓缩至2ml,作为供试品溶液。另取飞天蠄蟧对照药材1g,同法制成对照药材溶液。照薄层色谱法试验,吸取上述两种溶液各2~4μl,分别点于同一硅胶G薄层板上,以乙酸乙酯-环己烷-甲酸-水(8∶5∶2∶1)的上层溶液为展开剂,展开,取出,晾干,置紫外光灯(365nm)下检视。供试品色谱中,在与对照药材色谱相应的位置上,显相同颜色的荧光斑点。【检查】水分不得过15.0%。总灰分不得过6.0%。【浸出物】照水溶性浸出物测定法项下的热浸法测定,不得少于26.0%。【性味与归经】苦,凉。归肺、胃、肾经。【功能与主治】祛风除湿,活血通络,止咳平喘,清热解毒。用于风湿痹痛,肾虚腰痛,风火牙痛,小肠气痛,咳喘,吐血,跌打损伤,疥癣,时行感冒。【用法与用量】15~30g。【贮藏】置干燥处。起草单位:国药集团德众(佛山)药业有限公司。复核单位:广东省药品检验所。
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