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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)