Chromatographic, Immunochemical, and Milk-Clotting Activity Measurements in Argentine Commercial Liquid Rennets
نویسندگان
چکیده
منابع مشابه
Milk-clotting Enzymes from Microorganisms.
A total of 230 cultures of fungi and 43 cultures of bacteria, isolated from such sources as soil, butter, and milk, were screened for their milk-clotting activity. The fungi were cultivated on semisolid media, and the bacteria were grown in milk media in shake culture. Phytic acid, added as calcium phytate, was found to stimulate production of the enzyme in most of the bacterial isolates. Prote...
متن کاملLiquid chromatographic method for the determination of lutein in milk and pediatric formulas
A simple and rapid method has been developed for routine compliance testing of lutein in pediatric formulas. Following a mild saponification procedure (70 °C for 10 min) demonstrated to be benign to lutein, lipophilic components were partitioned by a single extraction into hexane:diisopropyl ether (75:25 v/v) and concentrated in mobile phase. Baseline chromatographic separation of lutein and ze...
متن کاملHIGH-PERFORMANCE LIQUID CHROMATOGRAPHIC DETERMINATION OF THEOPHYLLINE IN HUMAN SERUM
A simple, rapid and sensitive HPLC method for the determination of theophylline (T) in human serum has been developed. An isocratic system consisting of a /-l Bondapak C18 column, mobile phase of methanol, phosphate buffer (22:78, pH=4.5), and a flow rate of 1.4 mL/min was used. The eluent was detected by UV at 275 nm at room temperature. 8-Chlorotheophylline (8-CT) was used as an internal ...
متن کاملThe Milk-clotting Action of Papain*
Although the milk-clotting action of papain has been recognized for many years, this property of the enzyme has received little quantitative attention. It appears to be, however, a characteristic property of the proteolytic component of this enzyme system. Various workers have brought forth evidence as to the composite nature of the papain system, which has at least two components. In the most ...
متن کاملLiquid chromatographic analysis of glucosamine in commercial dietary supplements using indirect fluorescence detection.
A method of using indirect fluorescence detection is evaluated for the analysis of glucosamine in commercial dietary supplements following chromatographic separation. In this method, the eluting analyte, glucosamine, was detected by monitoring an increase in the fluorescence signal for L-tryptophan (L-Trp) or DL-5-methoxytryptophan (5-MTP) after glucosamine complexed with a copper(II) ion and r...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1982
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(82)82463-6