Assessment of Coumarin Levels in Ground Cinnamon Available in the Czech Retail Market

Table 1

Basic statistical parameters of coumarin content in samples of each ground cinnamon purchase from Czech retail markets (SD: standard deviation, RSD: relative standard deviation).

Sample number	Source location	Mean [mg·kg^−1]	SD	RSD [%]	Min.	Max.
1	Indonesia	3 477	294	8.45	2 952	3 624
2	Indonesia	3 141	8	0.26	3 132	3 151
3	Unknown	5 188	52	1.00	5 098	5 222
4	Unknown	5 796	56	0.97	5 703	5 848
5	Unknown	7 017	52	0.74	6 960	7 057
6	Indonesia/India	3 519	44	1.25	3 463	3 572
7	Indonesia	3 194	62	1.94	3 113	3 278
8	Unknown	3 108	33	1.06	3 069	3 140
9	Unknown	2 975	527	17.71	2 600	3 902
10	Unknown	2 937	63	2.14	2 834	2 987
11	Indonesia/Vietnam	2 650	78	2.94	2 571	2 734
12	Unknown	3 243	28	0.86	3 214	3 283