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.
The History of Iron Maiden – Part 1: The Early Days The History of Iron Maiden – Part 1: The Early Days The History of Iron Maiden – Part 1: The Early Days is a DVD video by Iron Maiden, released in 2004. It features the first part of "The History of Iron Maiden" series, a 90-minute documentary which describes their beginnings in London's East End in 1975 through to the "Piece of Mind" album and tour in 1983. The set also features a large collection of rare videos and concert footage, as well as interviews with former members such as Paul Di'Anno, Clive Burr, Dennis Stratton, Dave Sullivan, Terry Rance,