不同品种

铅mg/kg

镉mg/kg

铜mg/kg

锌mg/kg

pH值

九层塔

38.79 ± 0.66a

1.51 ± 0.01b

-

162.69 ± 0.62b

5.99

柠檬薄荷

38.45 ± 1.14a

6.23 ± 0.03a

6.00 ± 8.41b

357.23 ± 1.44a

5.84

迷迭香

37.40 ± 2.62a

6.23 ± 0.03a

15.75 ± 0.21ab

362.06 ± 2.91a

5.98

柠檬香草

44.13 ± 6.89a

5.42 ± 0.01a

26.83 ± 4.10a

417.39 ± 7.45a

5.92