Table 2.

Occurrence of TAs in teas, herbal teas, herbal supplements, aromatic herbs and spices.

Foods (Nº of Samples Analyzed)	Nº of Samples with At (Range)	Nº of Samples with Sc (Range)	Other TAs	[Ref.]
Green tea, black tea, chamomile, fennel, melissa, peppermint and rooibos (70 samples)	1 of fennel (83 µg/kg) 8 of peppermint (20–208 µg/kg)	1 of fennel (11 µg/kg) 8 of peppermint (20–208 µg/kg) 1 of chamomile (2.1 µg/kg) 1 of rooibos (2 µg/kg)	N.St	[27]
Dry (herbal) teas (121 samples)	85 of dry (herbal) teas (0.0067–294.8 µg/kg)	85 of dry (herbal) teas (0.0067–133.7 µg/kg)	6-HO-tropinone, Nortropinone, Pseudotropine, Scopine, Scopoline, Tropine, tropinone, convolamine, convolidine, convolvine, fillalbine, anisodamine, apoatropine, aposcopolamine, homatropine, littorine, noratropine, norscopolamine	[21]
Green tea with mint, green tea with mate, Piccadilly tea, red Chinese tea, rooibos of apple, relaxing tea, Mentha pulegium tea, ayurvedic spiced tea, coca leaf tea, mixture of teas (11 samples)	1 of Mentha pulegium tea (9 µg/kg) 1 of coca leaf tea (27 µg/kg)	N.D	Physoperuvine, pseudotropine, tropine, homatropine, apoatropine	[26]
Herbal teas, herbal supplements (60 samples)	1 of herbal tea with Melissa officinalis and others (25 µg/kg) 1 of herbal tea with Taraxacum officinalis and others (69 µg/kg)	1 of herbal tea with Melissa officinalis and others (50 µg/kg)	Homatropine, anidosamine	[25]
Thyme, basil and coriander (16 samples)	5 of thyme (<5–5.7 µg/kg) 5 of basil (9–11.7 µg/kg) 4 of coriander (9.9–42 µg/kg)	2 of thyme (<5 µg/kg) 1 of coriander (34 µg/kg)	N.St	[28]

Abbreviations: At: atropine. N.D: not detected or below the limit of detection. N.St: not studied. Sc: scopolamine. TAs: tropane alkaloids.