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KMID : 0903619990400020193
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Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 2 p.193 ~ p.199
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Effect of S-ionic Strength in Nutrient Solution on the Growth and the Content and Composition of Essential Oil of Basil
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Abstract
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Present study was conducted to find out the effect of sulfate in nutrient solution on the growth and the essential oil content and composition of basil through hydroponics and tried to modulate the content and yield of essential oil and its composition. Essential oil of basils was extracted by simultaneous destilation extract method. Composition of volatile flavor components of sweet basil, purple basil and bush basil was investigated by GC and GC/MS. The growth of sweet basil, purple basil, and bush basil tended to be better with less concentration of sulfate in nutrient solution. Especially the top fresh weight of sweet basil was best in 1 mmol/L of sulfate concentration in nutrient solution, and that of purple basil was best in 0.5 mmol/L. The content of essential oil on three basils increased, as a concentration of sulfate in nutrient solution increased. Essential oil content of sweet basil and purple basil was most in 3 mmol/L of sulfate concentration in nutrient solution, and that of bush basil was most in 5 mmol/L of sulfate concentration. The essential oil content of sweet basil and purple basil was affected by sulfate concentration in nutrient solution very sensitively. The most essential oil yield of sweet basil was obtained in 1 mmol/L of sulfate concentration in nutrient solution, and that of purple basil and bush basil were obtained in 3 mmol/L. Linalool and eugenol tended to be more in more concentration of sulfate in nutrient solution. Especially the increase of eugenol was drastic affected by increase of sulfate in nutrient solution. But methyl chavicol decreased in more than 3 mmol/L of sulfate concentration in nutrient solution.
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