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Table 1 Extraction yields and antioxidant activity of chamomile extracts

From: Comparison of various techniques for the extraction of umbelliferone and herniarin in Matricaria chamomilla processing fractions

Analysed variable/sample

Extraction method

SFE

Soxhlet

Maceration (with 50% ethanol)

Hydrodistillation

Extraction yield (g/100 g)

 Unprocessed chamomile flowers first class

1.57 ± 0.11a

4.60 ± 0.24a

20.85 ± 0.44a

0.41 ± 0.06a

 Processed chamomile flowers first class

3.64 ± 0.16b

4.98 ± 0.31a

22.30 ± 0.77b

0.62 ± 0.09b

 Processing waste

0.23 ± 0.07c

3.47 ± 0.11b

20.60 ± 0.51a

0.24 ± 0.08c

 Pulvis

0.97 ± 0.08d

1.45 ± 0.13c

6.70 ± 0.34c

0.28 ± 0.06c

% DPPH scavenging

 Unprocessed chamomile flowers first class

5.1 ± 0.13a

2.0 ± 0.14a

56.0 ± 0.82a

3.9 ± 0.10a

 Processed chamomile flowers first class

3.4 ± 0.21b

1.3 ± 0.07b

55.0 ± 0.74a

3.8 ± 0.12a

 Processing waste

4.5 ± 0.33c

2.5 ± 0.08a

61.5 ± 0.23b

2.9 ± 0.14a

 Pulvis

7.2 ± 0.18d

0.0 ± 0.00c

45.4 ± 0.86c

3.2 ± 0.18a

  1. Data are expressed as mean value of replication (n)
  2. The same letter in the same column of analysed variable indicates no significant differences (Duncan’s test, p < 0.05)