A convenient spectrophotometric assay for the determination of l-ergothioneine in blood

A convenient spectrophotometric assay for the determination of L-ergothioneine in blood.

1. A convenient spectrophotometric assay for the determination of l-ergothioneine in solution including deproteinized blood haemolysate was developed. 2. The method consists of deproteinization by heat precipitation and Cu(2+)-catalysed oxidation of thiols such as glutathione and of l-ascorbic acid, both in alkaline media, and titration of l-ergothioneine (which is not oxidized under these cond...

A method for the determination of ergothioneine in blood.

One of the difficulties associated with research on ergothioneine has been the lack of completely reliable methods for the quantitative determination of the compound in blood and other tissues. Ergothioneine was originally discovered to be present in the red blood cell by Benedict et al. (1, 2) and by Hunter and Eagles (3, 4), some 25 years ago, because of its reducing action on the arsenophosp...

A simple spectrophotometric method for the determination of blood sugar by phenylhydrazine Hydrochlorlde

study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour

this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...

a time-series analysis of the demand for life insurance in iran

با توجه به تجزیه و تحلیل داده ها ما دریافتیم که سطح درامد و تعداد نمایندگیها باتقاضای بیمه عمر رابطه مستقیم دارند و نرخ بهره و بار تکفل با تقاضای بیمه عمر رابطه عکس دارند