A variety of almond(Prunus dulcis var. amara) having kernels that yield an oil consisting mostly of benzaldehyde and some hydrocyanic acid. The detoxified oil can be used for flavoring.

• 苦杏：一种杏扁桃李属变种苦味扁桃，有产油的核，主要由苯甲醛和一些氢氰酸组成。这种去毒的油可用作调味品