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The fractionation of potato starch part III. The viscosities of the aqueous solutions of the fractions

✍ Scribed by Lampitt, L. H. ;Fuller, C. H. F. ;Goldenberg, N.

Publisher
Wiley (John Wiley & Sons)
Year
1948
Weight
463 KB
Volume
67
Category
Article
ISSN
0368-4075

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✦ Synopsis

Abstract

The viscosities of relatively dilute solutions of the C.W. Sol. and H.W. Sol, fractions obtained from potato starch ground in a ball mill and also from the unground starch are higher than those of the corresponding wheat starch fractions. In particular, those of the H.W. Sol. potato starch fractions are remarkably high. The β€œintrinsic viscosities” of the fractions are approximately proportional to their mean molecular weights.

πŸ“œ SIMILAR VOLUMES

The fractionation of potato starch. Part
The fractionation of potato starch. Part VI. The retrogradation of potato starch fractions
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## Abstract Most of the phosphorus of potato starch fractions is bound to the starch and is not split off when the starch is precipitated from solution by alcohol. The potato starch amylopectin contains much more phosphorus in the form of bound esterified phosphate groups than the corresponding amy

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## Abstract The grinding of potato starch in a ball mill breaks up the granules, and the starch is rapidly converted to a form entirely soluble in cold water j the two changes proceed at a much greater rate with potato starch than with wheat starch.

The fractionation of potato starch part
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✍ Lampitt, L. H. ;Fuller, C. H. F. ;Goldenberg, N. πŸ“‚ Article πŸ“… 1948 πŸ› Wiley (John Wiley & Sons) βš– 328 KB

## Abstract The reducing powers of the fractions from ground potato starch and the mean molecular weights calculated from them show that, as in the case of wheat starch, grinding in a ball mill causes very considerable depolymerization. This process takes place more rapidly with potato starch than

The fractionation of wheat starch. VI. T
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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