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Table 1 The levels of main functional components in the two black tea aroma samples (peak area divided by internal standard)

From: Black tea aroma inhibited increase of salivary chromogranin-A after arithmetic tasks

Compound name

Samples (IS ratio)

Darjeeling

Assam

Hexanal

0.5

0.2

E-2-hexenal

0.8

0.3

1-hexanol

0.3

ND

(Z)-3-hexen-1-ol

0.7

0.2

E-2-hexen-1-ol

0.3

ND

Linalool oxide (cis-franoid)

4.6

1.1

Linalool oxide (trans-franoid)

8.2

2.8

Linalool

13.9

5.2

Linalool oxide (cis-pyranoid)

0.8

0.5

Linalool oxide (trans-pyranoid)

1.8

ND

Nerol

0.4

ND

Geraniol

14.8

0.7

Phenylethyl alcohol

1.3

0.2

  1. ND not detected