Angelica dahurica is a perennial herb,Bai Zhi is the root of Angelica dahurica Fisch. ex Hoffm. Benth. et Hook.f.

Contents

• Basic Botanical Info:Angelica dahurica.
• Botanical Descriptions:Bai Zhi.
• Angelica dahurica Characters and Identifications.
• Preparation Methods of Angelica dahurica.
• Angelica dahurica Constituents and Phytochemicals.
• Archeology and Classical Note:Angelica dahurica.
• Angelica dahurica Pharmacological Study.
• Toxicity and Safety Study:Angelica dahurica.
• Angelica dahurica Administrations and Applications.
• Research Update:Angelica dahurica.

Toxicity and Safety Study:Angelica dahurica.:

1.Bai Zhi decoction oral administration,Mice,LD50:42.88 g/kg;

 Bai Zhi Ether extract oral mice LD50 value:5.382 g / kg; Hang Baizhi decoction oral mice LD50 value: 41.97g/kg;Rats intramuscular Methoxsalen LD50 value:160 mg/kg, isoimperatorin B LD50 value:335mg/kg,Bergapten LD50 value :945 mg/kg.

 2.Isoimperatorin B daily 75g weight young rats oral administrated 2.5 mgs for 60 days no significant effect on growth, but cause liver damage. A small amount of Baizhi toxins shows exciting effects on animal medullary vascular campaign centers,respiratory center, the vagus nerve and spinal cord, can cause a rise in blood pressure, pulse rate slows down, breathing deepened, vomiting, and so on, may have forced a large number of intermittent convulsions, followed by general Paralysis.

Reference:

• 1.Angelica dahurica is a perennial herb,Bai Zhi is the root of Angelica dahurica Fisch. ex Hoffm. Benth. et Hook.f.

This article written and edited via herbalist of MDidea Extracts Professional. They run a range of online descriptions about this herb,including general information related and summarized updating discoveries from findings of professional scientisits this field related.Describe style aimed to form a useful detecting literature space where the intertwined threshold and related questions raise out and visualize themselves.

♣ last edit date:27th,Oct.2010.