| CPC A23L 33/105 (2016.08) [A23P 10/40 (2016.08); B01D 11/0284 (2013.01); B01D 11/0288 (2013.01); B01D 11/0292 (2013.01); B01D 37/00 (2013.01)] | 7 Claims |
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1. A method for preparing a dried persimmon leaf extract, comprising the steps of:
A. obtaining dried persimmon leaves,
B. crushing said dried persimmon leaves,
C. adding ethanol to said dried and crushed persimmon leaves and utilizing ethanol extraction to produce a persimmon leaf extraction solution,
D. introducing said persimmon leaf extraction solution into a concentrator and concentrating said persimmon leaf extraction to produce a concentrated solution,
E. filtering said concentrated solution and collecting a filtrate,
F. introducing said filtrate into said concentrator and concentrating said filtrate to produce a second concentrated solution,
G. extracting said second concentrated solution with ethyl acetate to produce a second persimmon leaf extract solution,
H. introducing said second persimmon leaf extraction solution into said concentrator and concentrating said second persimmon leaf extraction solution under vacuum wherein said vacuum degree is maintained at range of approximately 0.06 MPa˜0.08 MPa to produce a third concentrated solution, and
I. utilizing vacuum drying with a vacuum degree maintained at approximately 0.08 MPa to dry said third concentrated solution to produce said dried persimmon leaf extract.
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