Oil of perilla is used as a flavoring agent, in which perilla aldehyde is the desirable flavoring compound (Guenther 1949; Arctander 1960). One of the aldehyde isomers is 2,000 times as sweet as sugar and four to eight times as sweet as saccharin; it is used as a tobacco sweetener (Guenther 1949).
No, it's not. A promise ring is meant to be a ring before your engagement ring, so it makes sense to wear it on your left hand ring finger. It is a way of saying that your tak â¦ en, without actually being engaged. 4 people found this useful.
But usually promise rings are worn on the ring finger of the left hand (if not married) or the right hand (if married). While promise rings are intended to be a lifelong vow, we all know that things don't always go according to plan. Even if the pledge is rescinded, promise rings are not always returned.