황련 전탕액이 Staphylococcus aureus와 Staphylococcus epidermidis에 미치는 항균효과에 대한 실험적 연구
The Experimental Study on Anti-bacterial Potency of Coptidis rhizoma extract on Staphylococcus aureus & Staphylococcus epidermidis.
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Abstract
Objective : This experimental study was performed to investigate the effect of Coptidis rhizoma extract on Staphylococcus aureus and Staphylococcus epidermidis that induce keratitis. Methods : MIC was measured by dropping to 50㎕ according to density Coptidis rhizoma extract(100%, 10%, 1%, 0.1%). Anti-bacterial potency was measured by the size of inhibition zone with change of volume. Results : 1. MIC on Staphylococcus aureus in Coptidis rhizoma extract was 100%, 50㎕ and anti-bacterial potency increase compare with quantity. 2. MIC on Staphylococcus epidermidis in Coptidis rhizoma extract was 100% & 10%, 50㎕ and anti-bacterial potency increase compare with quantity. Conclusions : The present author think that Coptidis rhizoma extract must be made a new eye drops.