Effects of methyl jasmonate and wounding on the chemical Properties of sweet basil (Ocimum basilicum L.)
H. J. KI, F. Chen, C. Wu, X. Wang
Book of Abstracts, 2004 IFT (Institute of Food Technologists) Annual Meeting and Food Expo, 13-16 July 2004, Las Vegas, Nevada, USA. 321 pages.
2004
บทคัดย่อ
Effects of methyl jasmonate and wounding on the chemical Properties of sweet basil (Ocimum basilicum L.)Sweet basil (OcimumbasilicumL.) is an important aromatic herb that is popularly used in culinary arts. In the present study, treatments of methyl jasmonate(MeJA) and wounding were applied on the basil plants cultivated in the greenhouse at ClemsonUniv. to evaluate their effects on the basil chemical properties. MeJAsolution (10μM) was sprayed during the cultivation, and 4th and 5th leaves of healthy basil plants were artificially wounded before harvesting. After harvest, changes of the total phenoliccompounds, essential oil constituent, and antioxidant activity (in DPPH free radical scavenging capacity) were determined. Total phenoliccompounds and antioxidant activity were significantly induced in 36% and 63%, respectively, by the treatment of MeJA because of the significant induction of rosmarinic acid. on the other hand, induction rates of total phenoliccompounds and antioxidant activity by wounding were in 14% and 37%, respectively. In addition, increased concentration of eugenolin basil could be induced by using either MeJA alone or employing the combination of MeJA and wounding. Such desirable increases of the phenolics and the antioxidant activity may promote the basil market values.