< m:\iit AL BASIS OF mi: AMMAI. r.>i>Y 



CAEBOHYDRAT1 



Certain member- only of tli. !as. h;i\,- b.-.-n f,,und 



in tin- human body ; of these. the m-.-i important and wide 



ill-Mr..-.- <;_diic,.se). with which 



- in. ih.-.-. and milk-- 



it, which has the .saint- ]-K .-nta^c ci.mpo-u n>n as a 

 C Hi.M and possesses a distinctly in 



l.i-s.-d with tin- Carbohydrates. Tin- i- i] -in>-e 



now known to l..-l"ic_' t. th- ben/.,'. below, p. 



_'h the above-mentioned carbohydrates may 1- d.-t. 



ind srcn-tions .if the animal body. their j.j. 



in the several cases is not so mu< h due to their introduction into 



nil in which they tl. ;r as to their pio- 



duction fn.m other meml.ers ..f the carbohydrate ui'.up <-\i-tnc_' 



in fo- these i- -t,u. h, and it \\ill jx-rhaj.s conduce 



: \i-ry lrielly with thi- JMH-II' 

 stauce and some of the products of its de. .. 



Till. SIAK. H <;i:..u-. 

 1. Starch '.. II,, Og).. 



Starch occurs characteristically in plants and is formed iii their 

 i parts under tin- determinant influence of the chloroj.hyll- 



rorj-U-cles. The e\;|.'t Illode of its formation is hoWe\ 



:n plant-tissues in tin- form of Drains which 



:id s|| M ]M- ac. oidlliL: to the plant, hut which possess 



:ion ch.ua. t.-ristic ..f e\hihitinx a stratitied strii'-tuiv. 



which is much more marked in -..me cases < potato-stnrch ) than 



in oth.-is. and the phenomena of double-refraction when examined 



in iH.lari-.-d 1 idered as a \\lmle the Drains app. 



Mipos.-d , 1 'stances of which the chief both in i|uan- 



iid importance is call.-d ^ranulose and the other 



Ids the blue colour cb.M. '.IP b 



on the addition of iodine, may be dissolved out by the 



:n-4 a c.-llulosic skeleton ..f tb- 



Tllis so-called celllllos,. is II": ll \Mtll old 



cellulose, &8 shown by its ready solubility in several n-;i 

 which do not di<-.,lve the latt-i \\li-n tr.-ated \\ith boiling 



tin- Drains ^\\,-}\ up and finally burst, yielding a un 

 \19 maSS of starch-paste of which tin- < bl'-t lit is the 



1 I li- r.irl.i\<lrmli nw v.-ry fully tnatr<| in Tollcnn' /A//^A. >l KMrmkydratr. 

 BmiUa. I**- Cfciiarf, Pi 57 H *). 



|H-rl.;i|.. -.in.- oliRht doaht m* to thin iitetitilv, l-w-i IM* 



i|.|.;ip-nt liff. ronce in the lextroM MM tM 



lii-.l from .linlM-tir urin.' ( ST Mill- r 

 Bn.wn .-xn-l II MC V.-l \\\\ (1-T'.). | N. Lfcbi/c' A mm. Bd. 



CXC1X > 



