Jasmonic acid is derived from the fatty acid linolenic acid. It is a member of the jasmonate class of plant hormones.
The twin comforter was made for a twin bed which is 75 long with the idea that you get 10 extra length. If that is the perfect length for a standard twin bed, then for an 80. Twin XL bed you would want a comforter that is a true Twin XL which would be 90 long.
A typical twin size mattress is 38 x 75 so a twin comforter will be larger than this by several inches in both length and width. There is variety with different manufacturers, etc. King 110x 96 Twin and Full sizes in particular vary considerably in length and slightly in width.