Table 3.

Screening and quantification of β-asarone and α asarone in herbal products for children by GC-MS.

No.	Name	Concentration of β-asarone (mg/kg)	Concentration of α-asarone (mg/kg)	Source
1	Product 1	Not detected	Not detected	–
2	Product 2	Not detected	Not detected	–
3	Product 3	273.6 ± 21.6	40 ± 1.2	Acori tatarinowii Rhizoma
4	Product 4	Not detected	Not detected	–
5	Product 5	230.9 ± 21.3	34.7 ± 1.2	Acori tatarinowii Rhizoma
6	Product 6	4.8 ± 0.2	5.0 ± 0.2	Acori tatarinowii Rhizoma
7	Product 7	11.2 ± 0.1	47.7 ± 3.0	Acori graminei Rhizoma
8	Product 8	181.6 ± 5.4	106.1 ± 1.0	–
9	Product 9	Not detected	Not detected	–
10	Product 10	Not detected	Not detected	–
11	Product 11	181.6 ± 5.4	106.1 ± 1.0	unknown source
12	Product 12	4.3 ± 0.3	13.3 ± 0.1	unknown source
13	Product 13	3.2 ± 0.2	10.9 ± 3.3	Asari radix et Rhizoma
14	Product 14	241.5 ± 10.5	53.2 ± 1.2	unknown source
15	Product 15	Not detected	Not detected	–
16	Product 16	Not detected	Not detected	–
17	Product 17	Not detected	Not detected	–
18	Product 18	243.5 ± 18.2	144.3 ± 7.1	unknown source
19	Product 19	Not detected	Not detected	–
20	Product 20	425.7 ± 28.2	62.8 ± 3.1	Acori tatarinowii Rhizoma
21	Authentic herb Acori tatarinowii	7679.8 ± 85.7	679.1 ± 20.3	Acori tatarinowii Rhizoma