| |
C∞ (mg/g)
|
C20 (mg/g) (observed)
|
k
1
(g mg−1 min−1)
|
|---|
|
GA
|
8.0 ± 1.2
|
7.6 ± 1.9
|
7.8 x10−2 ± 0.2 x10−2
|
|
Caffeine
|
42.2 ± 2.7
|
42.1 ± 1.9
|
4.1 x10−3 ± 0.3 x10−3
|
|
EGCG
|
11.8 ± 0.4
|
11.2 ± 1.1
|
1.4 x10−2 ± 0.8 x10−2
|
|
Polyphenols
|
131 ± 8a
|
124 ± 6a
|
2.4 x10−2 ± 0.7 x10−2
|
|
Flavanoids
|
322 ± 22b
|
310 ± 26b
|
5.8 x10−4 ± 0.1x10−4
|
- aConcentration is expressed in mg/g GAE and bConcentration is expressed in mg/g EGCG equivalents
- (C∞ = the extraction capacity, C20 = the concentration of the tea constituent in the solution at 20th minute, k
1
= the second-order extraction rate constant)
