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

Table 2 Umbelliferone and herniarin content in chamomile extracts

Analysed variable/sample	SFE	Recovery (%)	Extraction method				Hydrodistillation
Analysed variable/sample	SFE	Recovery (%)	Soxhlet	Recovery (%)	Maceration (with 50% ethanol)	Recovery (%)	Hydrodistillation
mg umbelliferone/100 g
Unprocessed chamomile flowers first class	0.00^a	98.70	0.50 ± 0.02^a	98.64	5.59 ± 0.05^a	98.58	nd^a
Processed chamomile flowers first class	0.33 ± 0.00^b	98.32	0.00^b	100.82	4.78 ± 0.15^b	97.45	nd^a
Processing waste	0.02 ± 0.00^a	97.91	0.85 ± 0.03^a	96.36	11.80 ± 0.17^c	98.33	nd^a
Pulvis	0.32 ± 0.02^b	102.38	0.13 ± 0.02^c	98.82	5.26 ± 0.14^a	103.42	nd^a
mg herniarin/100 g
Unprocessed chamomile flowers first class	13.08 ± 1.78^a	103.9	37.66 ± 5.46^a	98.1	47.45 ± 5.11^a	102.8	<LOD^a
Processed chamomile flowers first class	37.05 ± 6.29^b	100.2	20.22 ± 2.28^b	93.5	45.54 ± 4.16^a	104.0	<LOD^a
Processing waste	2.71 ± 0.12^c	90.8	41.18 ± 2.59^a	103.6	82.79 ± 3.26^b	97.6	<LOD^a
Pulvis	15.57 ± 2.87^b	90.6	5.63 ± 0.75^c	95.8	20.81 ± 0.00^c	103.1	<LOD^a

Data are expressed as mean value of replication (n) ±SD
The same letter in the same column of analysed variable indicates no significant differences (Duncan’s test, p < 0.05)
nd, not detected; <LOD, below limit of detection

ISSN: 2661-801X