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. 2026 May 20;16:15717. doi: 10.1038/s41598-026-52002-y

Table 7.

Application of the developed approaches in green tea and spiked human plasma.

Parameter Method I
Spiked
(mg/100 g)
Found
(mg/100 g)
%Recovery
Green tea 4 3.874 96.85
12 12.491 104.09
28 27.699 98.93
X̅ ± SD 99.96 ± 3.73
%RSD 3.73

Concentration taken

(ng/mL)

Concentration found

(ng/mL)

%Recovery
Human plasma 60.0 61.356 102.26
200.0 199.431 99.72
400.0 398.222 99.56
800.0 800.976 100.12
X̅ ± SD 100.42 ± 1.25
%RSD 1.25
r 0.9999
CAF Method II in human plasma
100.0 105.234 105.23
200.0 202.047 101.02
500.0 505.117 101.02
1000.0 968.933 96.89
1500.0 1518.530 101.24
X̅ ± SD 101.08 ± 2.95
%RSD 2.92
r 0.9995
CUR 30.0 30.896 102.99
50.0 51.677 103.35
70.0 67.326 96.18
100.0 97.420 97.42
120.0 122.794 102.33
X̅ ± SD 100.45 ± 3.38
%RSD 3.37
r 0.9979