Remove onion extract concentration of 50% w / w volume of 0.3 ml in vitro. Adding a solution of sodium carbonate concentration of 7.5% w / v of 3 ml. Shake well.
Remove the red shallots extract concentration 50% w/w volume 0.3 ml put in vitro Add concentrated sodium carbonate solution 7.5% w/V number 3 ml shake to Compatibility