当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Dilute solution properties of canary seed (Phalaris canariensis) starch in comparison to wheat starch.

Dilute solution properties of canary seed (Phalaris canariensis) starch in comparison to wheat starch.

Abstract：

:Dilute solution properties of an unknown starch are important to understand its performance and applications in food and non-food industries. In this paper, rheological and molecular properties (intrinsic viscosity, molecular weight, shape factor, voluminosity, conformation and coil overlap parameters) of the starches from two hairless canary seed varieties (CO5041 & CDC Maria) developed for food use were evaluated in the dilute regime (Starch dispersions in DMSO (0.5g/dl)) and compared with wheat starch (WS). The results showed that Higiro model is the best among five applied models for intrinsic viscosity determination of canary seed starch (CSS) and WS on the basis of coefficient of determination (R(2)) and root mean square error (RMSE). WS sample showed higher intrinsic viscosity value (1.670dl/g) in comparison to CSS samples (1.325-1.397dl/g). Berry number and the slope of master curve demonstrated that CSS and WS samples were in dilute domain without entanglement occurrence. The shape factor suggested spherical and ellipsoidal structure for CO5041 starch and ellipsoidal for CDC Maria starch and WS. The molecular weight, coil radius and coil volume of CSSs were smaller than WS. The behavior and molecular characterization of canary seed starch showed its unique properties compared with wheat starch.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Irani M,Razavi SM,Abdel-Aal el-SM,Hucl P,Patterson CA

doi

10.1016/j.ijbiomac.2016.02.050

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

123-9

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(16)30181-7

journal_volume

87

pub_type

杂志文章

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