Research Article

Preparation and Safety Evaluation of Centella asiatica Total Glycosides Nitric Oxide Gel and Its Therapeutic Effect on Diabetic Cutaneous Ulcers

Table 20

Experimental results at long term.

Experimental conditionPlacing time (d)AppearanceSpreading propertyViscosity (mPa.s×1000)Content (mg/g)RSD (%)

T = 4°C0Gel 1, tanGoodGel 1, 10.5019.152.25
Gel 2, colorlessGel 2, 15.25
5Gel 1, tanGoodGel 1, 11.6719.32
Gel 2, colorlessGel 2, 16.50
10Gel 1, tanGoodGel 1, 10.4019.76
Gel 2, colorlessGel 2, 13.92
15Gel 1, tanGoodGel 1, 11.8318.59
Gel 2, colorlessGel 2, 16.25
90Gel 1, tanGoodGel 1, 10.2518.97
Gel 2, colorlessGel 2, 14.25