產地,品種差別很大。。。
Average heavy metal levels in various types of rice tested in report
Brown rice grown in the US contained the highest average levels of heavy metals while rice grown in California generally tested lower.
Average heavy metal levels of arsenic, cadmium, mercury and lead

Brown
Grown in
US Southeast
100
parts
per
billion
(ppb)
White
Arborio
Grown in
US Southeast
Grown in Italy
Jasmine
Grown in
Thailand
Sushi/
Calrose*
Basmati
75
Grown in
India
Arsenic
129 avg.
ppb
Grown in
California
Arsenic
101 ppb
Arsenic
95 ppb
50
Arsenic
78 ppb
Arsenic
61 ppb
Arsenic
55 ppb
25
0
Cadmium
37 ppb
All metals
86 ppb
Cadmium
35 ppb
All metals
65 ppb
25
All metals
151 avg. ppb
All metals
118 ppb
All metals
100 ppb
All metals
142 ppb
全文連接:
https://www.cnn.com/2025/05/15/health/arsenic-cadmium-rice-wellness