Skip to main content

Table 2 List and concentration of selected compounds detected in tea [Camellia sinensis (L.) Kuntze] using HPLC

From: Effect of drying methods and parameters on the antioxidant properties of tea (Camellia sinensis) leaves

Peak No.

Retention Time (min)

Compound Name

Concentration (mg per g DW)

Freeze Drying

SHS Drying

Oven Drying

1

8.219

Gallic Acid

5.40 ± 0.02 a

2.30 ± 0.03 b

1.77 ± 0.06 c

2

9.967

Theobromine

2.61 ± 0.02 a

1.11 ± 0.06 b

1.53 ± 0.04 c

3

11.149

Epicatechin

3.49 ± 0.02 a

1.02 ± 0.03 b

1.51 ± 0.04 c

4

12.403

Epigallocatechin Gallate (EGCG)

3.98 ± 0.04 a

1.43 ± 0.04 b

2.02 ± 0.04 c

5

12.974

Caffein

2.79 ± 0.02 a

1.64 ± 0.01 b

1.51 ± 0.05 c

6

16.659

Rutin

2.68 ± 0.03 a

1.41 ± 0.03 b

1.50 ± 0.03 c

7

17.672

Myricetin

2.34 ± 0.06 a

1.04 ± 0.03 b, d

1.12 ± 0.03 c, d

  1. Values are expressed as mean and standard deviation (n = 3). Different superscript in each row indicates significant difference (p < 0.05) based on ANOVA and Tukey’s post-hoc test. (SHS = Superheated steam