. 2017 Apr 27;7(1):76. doi: 10.1007/s13205-017-0706-9

Table 2.

Extraction yield and total phenolic content in selected medicinal plants with different extraction methods

Samples	Extraction yield (g/100 g of DW)				Total phenolic content (mg GAE/g)
Samples	MAE	UAE	SE	MC	MAE	UAE	SE	MC
R. cordifolia	9.6 ± 0.42^c	5.5 ± 0.52^a	4.9 ± 0.22^c	3.4 ± 0.41^b	47.65 ± 1.10^c	40.44 ± 1.08^b	35.99 ± 0.99^c	31.65 ± 1.41^b
R. serpentina	6.4 ± 0.24^b	4.6 ± 0.28^d	3.2 ± 0.16^b	2.6 ± 0.36^d	35.88 ± 1.64^d	27.12 ± 1.15^a	23.54 ± 1.26^d	18.88 ± 1.62^c
O. vulgare	21.5 ± 0.67^a	18.1 ± 0.45^b	12.8 ± 0.44^d	10.2 ± 0.46^a	65.40 ± 1.58^b	56.22 ± 2.11^d	50.88 ± 1.32^b	46.89 ± 1.49^d
H. officinalis	23.4 ± 0.36^b	20.6 ± 0.48^a	15.1 ± 0.25^d	12.7 ± 0.14^c	60.35 ± 1.12^a	53.75 ± 1.98^b	47.44 ± 2.01^a	42.80 ± 1.34^a
C. intybus	13.7 ± 0.24^c	10.8 ± 0.61^c	7.2 ± 0.33^a	5.0 ± 0.12^b	30.57 ± 1.77^c	26.01 ± 1.03^c	19.67 ± 1.48^b	15.55 ± 1.12^a
M. sylvestris	20.2 ± 0.42^a	16.6 ± 0.61^b	11.6 ± 0.31^c	8.5 ± 0.23^b	45.26 ± 0.42^a	39.98 ± 1.39^b	35.92 ± 1.01^d	30.12 ± 1.08^b
P. oleracea	24.9 ± 0.36^c	18.8 ± 0.38^a	12.5 ± 0.34^b	9.6 ± 0.50^d	58.81 ± 1.39^d	50.92 ± 2.10^d	45.90 ± 1.91^a	40.25 ± 1.65^c
A. indica	9.8 ± 0.22^b	7.8 ± 0.64^d	6.5 ± 0.71^c	4.9 ± 0.41^b	37.33 ± 1.53^c	30.56 ± 1.75^a	26.90 ± 1.11^c	23.33 ± 1.03
A. aspera	8.5 ± 0.44^d	6.9 ± 0.22^b	5.8 ± 0.26^a	4.3 ± 0.65^a	27.85 ± 1.42^b	20.12 ± 1.11^b	15.95 ± 1.05^d	12.66 ± 0.99^d
S. racemosa	10.5 ± 0.58^c	9.8 ± 0.43^a	8.2 ± 0.58^c	6.5 ± 0.61^c	39.65 ± 1.22^a	33.22 ± 1.09^d	28.15 ± 1.77^a	25.43 ± 1.54^c

Values are mean ± SD (n = 3). The letters a, b, c, d, e indicate if there is a significant difference between microwave-assisted extraction (MAE), ultrasound-assisted extraction (UAE), Soxhlet extraction (SE), and maceration (MC) extracts