Research Article

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

Table 5

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

SampleBiogenic amines (μg g−1)
PHEPUTCADHISTYRSPDSERSPMTOT

1NDNDNDND
2NDNDNDND
3NDNDNDND
4NDND
5ND
6NDNDND
7NDND
8NDNDNDND
9NDNDNDNDND
10NDNDNDND
11NDNDNDNDND
12NDNDNDNDND
13NDNDNDNDND
14NDNDND
15NDNDNDNDND
16NDNDNDNDND
17NDNDNDNDND
18NDNDNDNDNDND
19NDNDNDNDND
20NDNDNDNDND
21NDNDNDNDND

Black tea; green tea. PHE, β-phenylethylamine; PUT, putrescine; CAD, cadaverine; HIS, histamine; TYR, tyramine; SPD, spermidine; SER, serotonin; SPM, spermine.