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Table 1 The original sources, prices and contents of EPA and DHA in ten batches of fish oil capsule samples bought in Hong Kong ( n= 3)

From: Comparative analysis of EPA and DHA in fish oil nutritional capsules by GC-MS

Sample no. Labelled origin Price (HK$/g) Labelled contents (mg/g) Determined contents (mg/g)
EPA DHA EPA DHA
1a USA 1.98    200.45 201.45
2 Australia 1.68    148.05 137.15
3 USA 1.53    509.16 501.18
4 USA 1.49    418.54 645.70
5 Australia 1.02 180 120 132.44 123.26
6 USA 0.98 361.36 419.73
7 New Zealand 0.65    208.42 204.72
8 USA 0.64    166.42 125.33
9 USA 0.34    39.52 35.14
10 USA 0.23    112.19 153.11
  1. aSamples are listed in order of decreasing price; that is, the most expensive are listed first.