由玉蜀黍穗軸製糠醛之研究

Abstract

以本省所產玉蜀黍穗軸為原料，用鹽酸、硫酸及磷酸為催化劑，使之加水分解產生糠醛(Furfural)。在常壓下，用不同濃度的酸，分別加熱相當時間，並將玉蜀黍穗軸切分為頭、中、尾三段，以比較其糠醛產率的高低。結果發現玉蜀黍穗軸之尾部用5N之鹽酸加熱2小時，所得之糠醛產率最高，約為15.6%。

The hydrolysis of the corn cobs grown in Taiwan to produce furfural by using HCI, H2SO4, and H3PO4 as catalysts was performed.The corn cob was cut into three parts and then each part was digested with various concentrations of each acid for various period of time. The yield of furfural for each case was obtained. The highest yield was found in the hydrolysis of the bottom part of the corn cob which was digested for two hours, with 5NHCI as catalyst.