Scurvy on a diet devoid or nearly devoid of vitamin C, had blood levels of vitamin C too low to be accurately measured when they developed signs of scurvy, and in the Iowa study, at this time were estimated (by labeled vitamin C dilution) to have a body pool of less than 300 mg, with daily turnover of only 2.5 mg/day. The vast majority of animals and plants are able to synthesize vitamin C, through a sequence of enzyme-driven steps, which convert monosaccharides to vitamin C. However, some mammals have lost the ability to synthesize vitamin C, notably simians and tarsiers.
Days Of Jubilee: The End of Slavery in the United States Days Of Jubilee: The End of Slavery in the United States Days Of Jubilee: The End of Slavery in the United States is a 2002 book by Patricia McKissack and Fredrick McKissack which sets out the history of Abolitionism in the United States. "BookList", in its review of "Days Of Jubilee", wrote "The balanced perspective, vivid telling, and well-chosen details give this book an immediacy that many history books lack. " and "School Library Journal" wrote "Readers familiar with Civil War history will be fascinated by the wealth of information on African Americans' contributions to the war effort, but those