KKVIKW OF i.i i I.I;A i TIM:. 13 



extractive. \\ater-soluhle forms of phosphoric acid are (ho oiu .s t'mm 

 which tin- others ait> built and represent tin 1 intermediary .steps 

 betueen the phosphates and the more complex phosphorus combi- 

 nation^. 



KalaroukoH' and Terroine n studied the inlluence ol' lecithin on the 

 action of the pancreatic lipa>e and found very little, if any, increased 

 activity when lecithin was present. 



in his experiment on phosphorus liberation from nuclein 

 compounds, determined that it is more ditlicult to cause phosphorus 

 to pass from its nucleic acid combination to an inorganic condition 

 than ha> been BUppOSed. 



Michel ih cd the Duality of woman's milk and found 



that the utili/ation of its nutritive materials by infants is nearly 

 complete. The -alt- \\eiv least utili/.ed. In per cent of ca.lcium and 

 K) per cent of phosphoric acid be !e(l in the IV 



Keller studied the metabolism of phosphorus by determining 

 the phosphoric acid in the urine of infants fed with woman's ,-md 

 with cow's milk, and found loss phosphoric a id 90 excreted in the 

 of the b d children. Whether this \\a- due ater 



excretion in the t a better assimilation of the phosphorus 



of the mother's milk remains t.. be determined. 



In the experiment d out b\ Jordan. Hart, ami Pair 



it \sas found in th.- AS fed on a hiirh phytin diet that 



when the amount of phytin fed was reduced the amount of fat 

 in the milk uas reduced, although there uas no ell'ect mi the total 

 solids and casein. Thei. -mailer excretion of urine and a 



tendciK \ -tip:itioii. In these experiments fhere \\as a consid- 



erable [oes of body phosphorus f,,r da\s, \\hen the COWS \\ere fed ( n 

 u low phosphorus diet, \\ith no apparent ill ellVcts. The amount 

 of phosphorus in \\ ., ,1 l, u t litth' by the 



of the phoephoi C phosphor^ the 



all'ectel. if any < en producel at all. 



:ne e\])eriinents b t \ M,( ollum and Hart/ indicate that theli\cr 

 and blood have the proper! \ of dca\ in_r the >alts of phytic acid \\itli 

 the production of inor'_ r ani- phosphoric acid. 'I'he wide distribution 

 of inosite in the it impossibi- whether 



it is also a produet of this cleavage. The>e results a re in aeconl 

 witli those of Mendel and Underbill,' who sln,u r( | that the intestine 

 i> not necessarily involved in the excretion of the metabolic products 

 of phytin in certain animals, and aU.. with the conclu>ions of Scof 

 that the en/.\ ins of the digest ive t met do not alter phytin. Kxami- 



aipt. n-iid. BOC, lil.. l'M>; ADI.T. .1. I'hy-ii)I. t 1!M)), in 



.1 Biol. ch.-i,... inns. 4 



i/Ain.-r. .1. Piiy-inl.. |!n. 

 <*Abe., Ch-in c.-ntrU., 1899, 70 : * Ab*., Bioc-hem. Centrbl., 1905, .; 



