AND ASCORBIC A C h Sra,-In your lnst issue there ii plwnrcd, iiiidcr Proccctliiigs of tlic 'Uiocliriiiicnl Society, the iibst i ~c t of :I piipcr by I h l i , I~~:irris, iiiid liiiy. 111 the C O I I ~S C of illis t h y niciit,ioii tlirit " Ostcriiinlt " iriis foiiiid clicrnic-:illy to hnvc 11 contciit of Iicsiiroiiic (iiscorfric) iicitl tlint shoiiltl ciiiiLle it t o protect, giiincii-pigs frrini scurvy in (lnily tloscs of 3.3 g. ; no figiiic ~~i i s iip~i:ireiitIy nvriiliiblc to the riiitliors cn:il)ling tliern to conipiire this coiicliisioii with :in nctiiiil biologicnl :issoy.
In furtlicr siilJst:iiiti:it,ioii of t.lic riiitliors' views tliiit iiscorliic acid nnd \ r i t i i 1 i i i l d ' iirc itlenticnl, I I I : I ~ I IJC perriiittctl to stntc tliat O.~tc~iii:ilt~, to wliicli t.Iiey prc-siiniiiIJ1y refer, ;is ~nnni~frictiirctl in tlicsc lil~Jo~iltO~iC!S for tlic ltist, six p r s , contriiiis n proportion of c o n ~~~i ~t r n t c t l Udiforiiinn oriiiigc juice 2 !i'lic nnioiiiit of tliis juice present in Ostuiiirilt is such iis to give t.lic cquirnlciit of l i d its own voluiiic of fresh oriiugc jiiicc to tlic product,.
:iiitl the figiircs given by JGrch, lhrris, iilid Ray fur t,lie protective tlosc of oriingc jiiicc arc I .2, 1 .b, 1 a!) nil. It will tlivreforc 1)c seeii tlint t.hc resiilts oLtninccl I)y tlicir