From The O/U: Pesach News – The Following Items are not Considered Kitniyos, but may require special checking due to contamination from Chometz

Due to possible Chometz contamination in the following items (i.e. grow right next to chometz crop etc.), the following items should be used on Pesach only with a proper Pesach certification…

Anise

Carob

Chia Seeds

Coriander

Cottonseed

Cumin

Guar Gum

Locust Bean Gum

Safflower

Saffron