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

Table 1

Particle size distribution of leaves powder from Camellia euphlebia processed by different pretreatments.

Sample	Sample size distribution (%)
	0.2–40 μm	40–200 μm	200–1000 μm
60 mesh	21.31	42.39	36.30
200 mesh	62.00	38.00	0.00
PS	65.20	34.74	0.06
PAI-1	68.42	28.70	2.88
PAI-2	79.18	20.74	0.08
PAI-4	77.81	21.69	0.50

PS: press shear technology; PAI: press-shear assisted interaction technology.