Patent ID: 7250160

Claim:
An isolated stereoisomer of jasmonic acid or jasmonic acid ester defined according to the structure: wherein R is hydrogen or methyl, having an optical rotation (α D 20 ) of +58° produced in a process which comprises the steps of (i) cultivation under aerobic conditions of a strain of Diplodia gossypina organism selected from the group consisting of: (a) Diplodia gossypina ATCC 10936; (b) Diplodia gossypina ATCC 20575; (c) Diplodia gossypina NRRL 25011; and (d) Diplodia gossypina ATCC 36037 in a nutrient medium containing an assimilable source of carbon and an assimilable source of nitrogen followed by (ii) isolation of the jasmonic acid product from the culture medium.