Why did you do that when the burdock car turned green?

pu1. It's because if you boil burdock tea for a long time or leave it at a high temperature, the ingredients of burdock tea come out and turn green
It's normal, so you can drink it

2017-10-25

OK

pu2. It's too high

2017-10-25

OK

pu3. When you make burdock tea, it happens when you make tea because it's not dry enough
You can drink it. It's better to dry the burdock more next time

2017-10-25

OK