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.
You can also wear it on the middle finger of your left or right hand or any in finger you want as long as it is not the left ring finger. Like a wedding band, promise ring can be worn at all times and can only mean that you are taken.