Extraction Chairat, et al., 2005 Spent green tea of an industry producing tea juice was dried in the air for 7 days, 250 g of it was put in white fabric bag and putted on the aluminums container. 2 liters of DI water was added to the container and boiled (96-97 o C) for 1 hour then left it at room temperature. The solution was filtered using watman filter paper number 5. The filtrate was concentrate at 60 o C using rotary evaporator and dried at 102 o C in an oven for 9 hours. The dried of spent green tea leave extract (abbreviated as SGTLE) was kept in refrigerator. Replicactions SGTLE (g) 1 6.154 2 5.434 3 7.005 4 8.070 mean 6.666 Times SGTLE (g) 1 11.533 2 9.017 3 4.654 4 3.820 5 3.020 6 2.691 7 3.261 8 3.543 9 2.667 10 2.962 11 1.740 12 1.919 13 1.893 14 1.354 15 1.602 16 1.160 17 1.416 18 0.229 19 0.896
ExtractionChairat, et al., 2005Spent green tea of an industry
producing tea juice was dried in the air for 7 days, 250 g of it
was put in white fabric bag and putted on the aluminums container.
2 liters of DI water was added to the container and boiled
(96-97oC) for 1 hour then left it at room temperature. The solution
was filtered using watman filter paper number 5. The filtrate was
concentrate at 60oC using rotary evaporator and dried at 102oC in
an oven for 9 hours. The dried of spent green tea leave extract
(abbreviated as SGTLE) was kept in refrigerator.ReplicactionsSGTLE
(g)
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