Research Article

Preparation of Nanosilver and Nanogold Based on Dog Rose Aqueous Extract

Table 2

Results of the quantitative analysis and effectiveness of antioxidant in dog rose extracts.

No. of systemPolyphenolsAscorbic acidAnthocyanins DPPH (%)
mg/mLPercentage of extracted polyphenols (%)mg/mLPercentage of extracted ascorbic acid (%)mg/1 g dried weightPercentage of extracted anthocyanins (%)

10.45460.0272714.080.0008443.79340.227692.46
21.33570.0325821.120.0005066.96770.167287.76
31.76650.0264932.850.0004929.98710.149877.92
40.75970.0455814.080.0008448.20650.492483.17
51.66400.0399329.330.00070310.2970.247192.13
61.79560.0269338.890.00059810.9160.163782.95
70.72740.0436416.430.0009856.69680.401889.84
81.40720.0337729.330.00070310.6060.254685.46
91.53020.0229535.200.00052811.7290.175986.78
102.17230.0521326.990.00064710.5680.253692.24