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Table 3 Accuracy validation for dieckol in phlorotannin preparations

From: Method development and validation for dieckol in the standardization of phlorotannin preparations

Phlorotannin Sample (mg) Add dieckol (μg/mL) Accuracya
Detected area Total amount found (μg/mL) Recovery (%) Average recovery (%)a RSD (%)
25.4 13.45 4281.71777 124.33290 101.999 101.186 2.01
26.6 4492.79346 130.42899 102.685
24.1 3959.75781 115.03436 98.873
27.1 20.17 4755.54248 138.07146 101.574 100.946 1.30
24.0 4300.78955 124.88372 101.827
25.6 4434.56396 128.74726 99.438
23.8 26.90 4506.92139 130.83702 101.807 102.372 1.29
23.2 4401.51318 127.79272 101.461
22.5 4582.42969 133.01778 103.849
  1. RSD relative standard deviation of recovery
  2. aValues were calculated using accuracy (n = 9) analyses