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Table 4 Inter-laboratory validation of quantitative assay of Cortex Magnoliae Officinalis

From: Quality assurance for Chinese herbal formulae: standardization of IBS-20, a 20-herb preparation

 

Percentage content (%)

ADM (%)

 

CUHK result

UWS result

 

Honokiol

0.8355

0.8427

0.43

Magnolol

1.4815

1.5148

1.11

  1. Note: ADM (absolute deviation from mean) = (| D1 - mean|/mean) × 100%, where mean = (D1+D2)/2; D1 = the first value, D2 = the second value
  2. CUHK: Chinese University of Hong Kong
  3. UWS: University of Western Sydney
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Chinese Medicine

ISSN: 1749-8546

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