Research Article

Extraction Efficiency of Different Solvents and LC-UV Determination of Biogenic Amines in Tea Leaves and Infusions

Table 6

Biogenic amines content in tea infusions. Data represent mean ± RSD (); .

SampleBiogenic amines
PHEPUTCADHISTYRSPDSERSPMTOT

NDNDNDND

2NDNDNDND

3NDNDNDND

4NDNDND

5NDND

6NDNDNDND

7NDND

8NDNDNDND

9NDNDNDNDND

10NDNDNDND

11NDNDNDNDND

12NDNDNDNDND

13NDNDNDNDND

14NDNDND

15NDNDNDNDND

16NDNDNDNDND

17NDNDNDNDND

18NDNDNDNDNDND

19NDNDNDNDND

20NDNDNDNDND

21NDNDNDNDND

22NDNDNDNDNDND

23NDNDNDNDNDNDND

24NDNDNDNDNDNDND

Black tea; green tea; tea drink. PHE, β-phenylethylamine; PUT, putrescine; CAD, cadaverine; HIS, histamine; TYR, tyramine; SPD, spermidine; SER, serotonin; SPM, spermine; ND, not detectable.