. The Biochemical journal. Biochemistry. DEFICIEISTT NUTRITION AND IMMUNITY 191 in the first set of rats fed on the diets deficient in the accessory factors was not due to the diet. It is well known that guinea-pigs form a good source of complement and it was of interest to ascertain whether, if these animals are restricted in their diet, the complement activity of their blood is impaired. The blood of the animals of the three groups described above was therefore tested for its complement content. Varying quantities of the serums were added to tubes containing a haemolj^tic amboceptor and wash
. The Biochemical journal. Biochemistry. DEFICIEISTT NUTRITION AND IMMUNITY 191 in the first set of rats fed on the diets deficient in the accessory factors was not due to the diet. It is well known that guinea-pigs form a good source of complement and it was of interest to ascertain whether, if these animals are restricted in their diet, the complement activity of their blood is impaired. The blood of the animals of the three groups described above was therefore tested for its complement content. Varying quantities of the serums were added to tubes containing a haemolj^tic amboceptor and washed blood corpuscles. As Table XI discloses, no variations in the titre could be observed, thus showing that the bloods of the three groups were of almost the same activity. Table X. Agglutination Amboceptor I Scorbutic diet Restricted mixed diet Unrestricted mixed diet Stock antity- phoid serum 1/200 1/400 1/800 1/1600 1/3200 +++ + - - +++ ++ - - + + + ++ - - 1/10 1/25 1/50 1/100 1/200 1/400 1/800 1/1600 - + ++ + + -L + + + + + + + + + + + + - -L ++ + + + + + + + + + + + + + + + - - + + + + + + + + + + + + + + + + +++ +++ +++ ++- + + + 1900 1700. 700 '"'^^ Restrictecrm^^^^^^y, WEEKS J I L 5 6 Fig. 7 10. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Biochemical Society (Great Britain); University of Liverpool. Biochemical Dept. London [etc. ] Cambridge University Press
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