Toxicological Evaluation of Medicinal Plants Used for Herbal Drugs (II) -Acute Toxicity and Effects on DNA Biosynthesis in Bone Marrow Cells and Hemoglobin Content in Blood-

Potential toxicity of 15 medicinal plants used for herbal drugs, which were also described as being tonic for hematopoietic system or being toxic for the system in a oriental book 'Dong Ee Bo Gam', were evaluated in mice. Six plants among 15 plants tested appeared to exhibit acute toxicity along with bone marrow depression or with abnormally enhancing the $^3H-thymidine$ incorporation into DNA biosynthesis in bone marrow cells. Six plants were Paeonia albiflora, Pharbitis nil, Cemphalia lapidescens, Scutellaria baicalensis, Akebia quinata and Glycyrriza uralensis.

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