|Title:||不同葉位及不同乾燥處理對甘藷葉片葉黃素含量之影響||Other Titles:||Effect of Leaf Age and Drying Methods on Lutein Content in Leaves of Sweet Potato||Authors:||葉亦琪
|Keywords:||甘藷葉;葉黃素;葉位;生長期;sweet potatoes leaves;lutein;leaf position;Growth period||Issue Date:||Dec-2020||Publisher:||台灣農藝學會、中華農業氣象學會||Journal Volume:||17||Journal Issue:||4||Start page/Pages:||155-165||Source:||作物、環境與生物資訊||Abstract:||
This study investigates the changes of lutein content in sweet potato in various growth stages and evaluates the effect of drying treatments on lutein accumulation in different tissues. Experimental materials were collected from green-leaf cultivar Tainong No. 57 (TNG57) and purple-leaf line CYY98-63. Temporal changes of lutein in sweet potato were examined by collecting samples from (1) Fresh sweet potato leaves from 1 to 5 months after planting; (2) Leaves, petioles, and stems on 5- and 6-month-old plants; (3) Leaves, petioles, and stems of 15 cm and 25 cm shoots below the youngest leaf of 5- and 6-month-old plants, and shoots contained the first five nodes, 5th to 16th nodes and shoots more than 16 nodes. These samples were subjected to freeze-drying and hot-air-drying treatment. HPLC was used to analyze lutein content. The results showed that the lutein content of leaves was much higher than that of petioles and stems. With the increasing of sweet potato planting time, the lutein content of sweet potato leaves increased significantly. The lutein content was much lower in the first five nodes, while the 5th to 16^(th) nodes had high lutein content. Compared with different drying methods, freeze-drying method had more lutein than hot-air-drying method.
|Appears in Collections:||農藝系|
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