The fractionation of wheat starch. VII. Retrogradation of starch solutions
β Scribed by Lampitt, L. H. ;Fuller, C. H. F. ;Goldenberg, N.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1941
- Weight
- 1023 KB
- Volume
- 60
- Category
- Article
- ISSN
- 0368-4075
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## Abstract The retrograding properties of the C.W. Sol. and H.W. Sol. fractionsAs previously, 2, 3, 4, 5, 6 these fractions me defined as follows: C.W. Sol.βββMaterial soluble in cold water (room temperature). of potato starch have been investigated under varying conditions of temperature and con
Tlic rcclncing po\vcrs of the stnrcli frnctions froin gronnd \vhent stnrcli inclicntu tlint fnr-rcncliing clc~~olyiiierisotioii of tho stnrcli miic~ronioleciile Iins tnkcn plncc clnring grinding in n bid1 niill ; tho niolec\*nlnr \vciglits of the frnetinns liiivc been cnlcnlutecl froni the rcchieing
Thc precipitntion of Rtnrch from the nqueous solutions of tliu fractions obtnincd froni wlicnt sthrch ground in a bull mill hns been inrestignted, togetlicr with ccrtnin solutions of the C.W. Sol. atid H.11'. Sol. fracliotis\* properties of tho dried prccipitnted stnrch, drying bcing by n~collol ctl
The S-my diffrnction pnttcrns of ground wheat stnrcli and of its frnctions hare been examined by tlie Debyo-Scherrer technique. Tlio .\T.rny patterns of the Iicnt-dried fractions are dilferent from thosc of tho fractions prepared by precipitntion with nlcoliol. Tlio S-rny pattern of wheat starch ia
Tho griiiding of tvlrcnt stnrcli in 11 bnll inill lins been cstrii-aiveIy invcstigatcd. A s griiiding progmsscd, the gnnrilcs wem incrensingly brokcii rip nnd tho stnrcli cstcr.eivcly dopolyniorised. Snrnplcs of the yrorintl atnrcli tvcm frnc. tionnted nt intervals nncl tlie pliysico.cheniicol prope