초록

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Abstract ▼ AI-Helper

This study was conducted to gather basic information on the relationship between growth condition and formation of the functional substances in plants. Several vegetable crops were screened in consideration of glutathione and ascorbic acid contents; vegetable consumption amount was also used as a se...

This study was conducted to gather basic information on the relationship between growth condition and formation of the functional substances in plants. Several vegetable crops were screened in consideration of glutathione and ascorbic acid contents; vegetable consumption amount was also used as a selection criteria. Chinese cabbage and spinach were selected for their higher glutathione contents and head lettuce for its lower. The different tendency of relationship between the growth condition of each plant and the glutathione content was observed. When vegetables were grown at various combination ratios of andosol, river sand, and compost, the growth rate was the highest at the ratios of 6.5:3.5:2.0. The glutathione content in Chinese cabbage and head lettuce differed depending on the soil condition, while it did not differ in spinach. Glutathione and ascorbic acid contents were higher at four-leaf stages than two-leaf stages of each vegetable. Moreover, they were higher in the young leaves than the old leaves of each seedling. These results suggest that the functional substances such as glutathione and ascorbic acid in vegetables are changed with the growth stage. Therefore, growth conditions to obtain their highest contents should be studied further.

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