Rễ gai thanh nhiệt, chỉ huyết
Cây gai.(SK&ĐS) - Trong Đông y rễ gai gọi là trữ ma căn. Tên khoa học : Boehmeria nivea (L.) Gaud. Lá gai thường đốt đen để làm  bánh gai. Sợi gai được dệt làm lưới đánh cá. Cây gai mọc khắp nơi trong nước ta hoặc được trồng lấy lá. Bộ phận dùng làm thuốc là rễ, củ gai.
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iUUp4buAxqBY4buIe3vhurbhur4p4bq74buy4buaw6Hhur7DiS3hu4DGsD7hu7Dhu4Apxagg4buAw5034buA4bua4bu44buI4buAe0zDoeG7gH3FqOG7iMav4bqs4buAPsOZ4buA4bum4buIxq/hu4BH4buG4bum4bqq4buAxahLfeG7gHvhu6LDneG7gOG7hOG7huG7puG6quG7gMWo4buySsav4buAezrDneG7gOG7hOG7huG7puG6quG7gMOdMjvGoOG7gDg04buI4buA4bucMOG6quG7gHtPxqDhu4DGoOG7tsOd4buA4buC4buAw5024buI4bqq4buAWyTDneG7puG7gH0+4buyw53hu6bhu4DDneG7pkrDoUJFLynDiUUp4buAxqBY4buIe3vhurbhur4p4bq74buy4buaw6Hhur7DiS3hu4DGsD7hu7Dhu4DFqOG7suG7gMWo4buiw53huqrhu4Dhu5wsWeG7gHtbw6HDmcOd4bqs4buAPsOZ4buA4bum4buIxq/hu4A4SuG7gOG7nDIsw53hu6bhu4DGoMSofeG7gMOdw5Rb4buAw53FqDThuqrhu4BYWz3DneG7gFhbPcOd4buAw53FqOG7iMav4buAw51bJH1CRS8pw4lFKeG7gMagWOG7iHt74bq24bq+KeG6u+G7suG7msOh4bq+w4lq4buyw5LGoOG7gD7DmeG7gOG7puG7iMav4buA4bucJH3hu4B9JcOd4buAfeG7qMOdxajhuqrhu4DDneG7psWoxq9Uw53hu4DDncWoQOG6quG7gOG7nOG7klvhu4Apxagg4buAeyTDneG7puG7gOG7guG7hC3hu4Thu4bhu6bhu4DGoMWow5RZ4buA4buWKn3hu4A+w5nhu4Dhu6bhu4jGr+G6quG7gE7DnULhu4Dhur0xw53hu6bhu4DGoOG7tOG7gH3FqMOa4buA4buaIsOd4bum4buARi1H4buAWcavU8Od4bum4buAfcWo4buwfeG7gFguw53hu4DGoMWow5RZ4buATsOdQkUvKcOJRSnhu4DGoFjhu4h7e+G6tuG6vinhurvhu7Lhu5rDoeG6vsOJLeG7gMawPuG7sOG7gFkgw53hu4DDncWo4bu4feG7gFnhu7jGoOG7gCHhu4BYMsOd4bum4bqq4buAIeG7gDhd4buA4buWT33hu4Dhu5zhu5Bb4buAxag6xq/hu4Dhu5xA4bqs4buAxKnGr03hu4A+w5nhu4Dhu6bhu4jGr+G7gOG7nE8p4bqq4buAxajhu4jGr+G7gMOd4bumSsOh4buAfcWo4buq4buAfcWo4buIw6FCRS8pw4lFKeG7gMagWOG7iHt74bq24bq+KeG6u+G7suG7msOh4bq+w4kt4buAxrDFqFskxqDhu4Dhu4jDneG7gH3FqOG7iMav4bqs4buAPsOZ4buA4bum4buIxq/hu4Dhu4Thu4bhu6bhuqrhu4B94buIw53hu6bhu4BXw6Dhu4B7xq/DncWo4buA4buCSeG7puG6quG7gH3FqMOVw53hu4DGoMOVw6Hhu4Dhu5rDlVvhu4B74buI4buy4buAOErDneG7puG7gOG7hOG7huG7puG6quG7gMagQOG7gFnhu5DDneG7gH0+4buQW+G7gOG7guG7hOG7puG6quG7gMOd4bumTMav4buAxqAzW+G7gEfhu6bhuqrhu4B9PuG7kMOd4buA4buW4buq4buAe+G7iOG7suG7gDxb4buI4buAR+G7puG6quG7gOG7liThu4DGoMWo4buow53FqOG7gHvDlVnhu4BEfeG7mFnhu4Dhu6Y0w53hu6bhu4B74buI4buyxJDhu4Dhu4JJ4bum4bqq4buA4bucP+G7gH0+4bu4w53hu6bhu4Dhu4JJ4bum4bqq4buAPuG7iFvhu4BZOuG7gHvhu4jhu7Lhu4DDjOG7pkLhu4DFqU/GoOG7gFskw53hu6bhu4B9PuG7ssOd4bum4buAw53hu6ZKw6FCRS8pw4lFKeG7gMagWOG7iHt74bq24bq+KeG6u+G7suG7msOh4bq+w4nhu48yOsOd4bum4buAw6Hhu4DDtcavw53FqOG7gOG6vcWoxKjDncWoRS8pw4k=