التفاصيل البيبلوغرافية
| العنوان: |
Stability of carthamin from Carthamus tinctorius in aqueous solution: pH and temperature effects. |
| المؤلفون: |
Kim, Jun-Bum, Paik, Young-Sook |
| المصدر: |
Archives of Pharmacal Research; Dec1997, Vol. 20 Issue 6, p643-646, 4p |
| مستخلص: |
Thermal stability of a red pigment, carthamin, from Carthamus tinctorius was investigated to explore possible applications as natural color additives for foods, cosmetics, and nutraceuticals. Degree of degradation reactions of carthamin at acidic, neutral and alkaline conditions were determined with UV/Vis spectral measurements. Decomposition half lives of carthamin at 25°C were 4.0 h, 5.1 h, and 12.5 h at pH 5.0, pH 7.0, and pH 12.0, respectively, indicating that carthamin is much more stable at alkaline pH than acidic or neutral conditions. The activation energies of carthamin at pH 5.0, pH 7.0, and pH 12.0 were 15.6, 15.7 and 16.8 kcal/mol, respectively. [ABSTRACT FROM AUTHOR] |
|
Copyright of Archives of Pharmacal Research is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) |
| قاعدة البيانات: |
Complementary Index |
Find this article in full text from Springer Verlag. 
Full Text Finder