检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]中国科学院发育生物学研究所,北京100080
出 处:《生物化学杂志》1993年第4期424-428,共5页
摘 要:“心里美”萝卜酒精提取物,经薄层层析、高压液相层析纯化后可得到天然色素为粉红色针状结晶。该色素性质稳定、耐温、耐光,颜色随pH值的不同而变化。经红外光谱分析和质谱鉴定,初步推导其结构可能为报春花色素。Anthocyanin pigments in 'Xinlimei' radish were isolated and purified by using alcoholic extraction, TLC and HPLC on C-18 column. The purplish red color changes along with pH variation and is relative stable at high temperature and under natural light. The acid-hydrolysate of the pigment contains cyanidin and glucoside. Maximum absorption was observed at wavelength 507 and 289nm for 40% cyanidin in acidified methanol. By means of IR spectra and G.C.-M.S. analysis, the structure of the cyanidin is probably similar to the structure of primuletin. This natural colorant is potentially useful in the food industry.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.145