Restricted
and toxic Chinese herbal medicine 澳大利亞禁用之有毒中草藥介紹
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Pinyin Name
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Chinese Name
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Pharmaceutical Name 學名
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Chinese herbs and Poisons 藥物毒性
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Xiao Bai Cheng
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小白撐
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Aconiti Heterotrichi Radix
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烏頭鹼具強毒性,引發心臟麻痺死亡
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中文名稱:小白撐
英文名稱:Heterohairy Monkshood Root
英文學名:Aconiti Heterotrichi Radix
植物科名:毛茛科 Ranunculaceae 烏頭屬 Aconitum
中文別名:黃蠟一支篙、泡葉烏頭

小白撐是保山烏頭的變種,有劇毒。為毛茛科烏頭屬植物皺葉烏頭Aconitum bullatifolium Levl.,以塊根入藥。
小白撐根含小白撐鹼(nagarine),烏頭鹼(aconitine),3-去氧烏頭鹼(3-deoxyaconitine)。
烏頭鹼毒性最強主要是引起中樞神經系統及周圍神經系統先興奮後麻痹的作用,直接毒害心肌細胞,由此引起迷走神經中樞興奮而降低竇房結的自律性,引起易位起搏點的自律性增高而導致心律失常及心動過緩等。由於延腦中樞被麻痹發生血壓下降、呼吸抑制,最後可發生心搏驟停及呼吸衰竭。
烏頭鹼常見的中毒症狀是噁心(nausea)、嘔吐(vomiting)、頭暈(dizziness)、心悸(palpitation)、低血壓(hypotension)、低血鉀(hypokalaemia)、
心律不整(arrhythmia)、代謝性或是呼吸性酸中毒(metabolic and/or respiratory acidosis)、呼吸性鹼中毒(respiratory alkalosis)、全身癱瘓(systemic paralysis)、四肢麻痺、陣發性抽搐、休克(shock)和昏迷(coma),最終可因心臟麻痺而死亡。
Schedule Entry
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S2
ACONITUM spp. for therapeutic use in adults:
( a)
in preparations for oral use in packs each containing 0.2 mg or less of total
alkaloids except in packs containing 0.02 mg or less of total
alkaloids; or
( b)
in preparations for dermal use containing 0.02 per cent or less of total alkaloids,
in packs each containing 0.2 mg or less of total alkaloids except in
packs containing
0.02 mg or less of total alkaloids.
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S4 ACONITUM spp. except:
(a) when included in Schedule 2;
(b) in preparations for oral use in adults in packs
containing 0.02 mg or less of total alkaloids;
or
(c) in preparations for dermal use in adults containing
0.02 per cent or less of total alkaloids
in packs
containing 0.02 mg or less of total alkaloids.
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。