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引用次数: 0
摘要
红火龙果皮中的一种水溶性色素沉着化合物。甜菜花青素提取的目的是分别用FTIR和UV-Vis分光光度计测定其官能团和最大波长。用乙醇和水以1:1的比例，900转/分搅拌16小时，从火龙果皮中提取甜菜花青素。利用红外光谱对甜菜花青素进行了表征，发现甜菜花青素在波数1798 ~ 1607 cm -1处具有典型的β花青素酸衍生的氨基或键(N-H)。在波数为1486 cm -1时，它显示了芳香环的C=C应变振动的存在。紫外-可见分光光度计对甜菜菁苷进行了表征，其最大波长为530 nm。
Ekstraksi dan Karakterisasi Betasianin dari Kulit Buah Naga Merah (Hylocereus sp.)
— Betacyanin is a water-soluble pigmentation compound in the skin of red dragon fruit. Betacyanin extraction aims to determine the functional group and its maximum wavelength using FTIR and UV-Vis spectrophotometers, respectively. Extraction of betacyanin from dragon fruit peel using ethanol and water in a 1:1 ratio with a stirring speed of 900 rpm for 16 hours. Characterization of betacyanin using FTIR showed betacyanin has an amine group or bond (N-H) derived from betalamic acid which is typical at wave numbers 1798-1607 cm -1 . At a wave number of 1486 cm -1 , it shows the presence of C=C strain vibrations from the aromatic ring. Betacyanin characterization using UV-Vis spectrophotometer showed a maximum wavelength of 530 nm.
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