Effect of Different Processing Methods on Phytochemical Contents and Neuroprotective Activity of Camellia euphlebia Leaves Extract

Table 2

: Comparison of the major components of aqueous extracts processed by different pretreatments.

Samples	Yield of extracts (%)	Phytochemical contents (%)
		Flavonoids	Polyphenols	Saponins	Polysaccharides	Catechin
60 mesh	10.40 ± 0.79^a	4.74 ± 0.68^a	2.64 ± 0.71^a	5.09 ± 0.80^a	18.50 ± 1.50^a	0.53 ± 0.04^a
200 mesh	11.93 ± 0.40^b	6.67 ± 0.18^ab	5.59 ± 0.93^b	7.40 ± 0.78^ab	25.40 ± 1.98^ab	1.33 ± 0.07^b
PS	12.83 ± 0.57^b	8.27 ± 1.18^bc	3.72 ± 0.73^a	7.22 ± 0.0.90^ab	24.85 ± 3.34^ab	1.54 ± 0.09^bc
PAI-1	16.90 ± 0.44^c	8.05 ± 0.82^bc	5.45 ± 0.52^b	7.65 ± 0.93^ab	30.93 ± 5.09^bc	1.40 ± 0.08^bc
PAI-2	18.93 ± 0.25^d	11.78 ± 0.62^d	6.15 ± 0.29^b	9.43 ± 1.19^b	34.60 ± 3.37^c	1.99 ± 0.11^d
PAI-3	15.73 ± 0.60^c	5.11 ± 0.46^a	5.75 ± 0.60^b	6.26 ± 1.01^a	27.10 ± 3.08^abc	1.57 ± 0.0.05^c

The values are expressed as mean ± SEM from triplicate assays. Within each row, values with different superscripts are significantly different from each other (), as determined by Tukey’s t-test. PS: press shear technology; PAI: press-shear assisted interaction technology.