Abstract:
:The influence of hydrocolloids on in vitro starch digestibility and rheological properties of Segoami (a new rice variety fortified with amylose and dietary fiber) gel was investigated in terms of type (sodium alginate, arabic gum, guar gum, locust bean gum, and xanthan gum) and addition levels (0.3-0.7% for rice flour weight) of hydrocolloids. In addition, the behavior of hydrocolloids was analyzed by principal component analysis (PCA) based on both properties of various Segoami-hydrocolloids gels. The first and second principle components (PC) explained 80.93% of the total variation; PC1 and PC2 explained 50.40% and 30.53% of the total variance, respectively, implying that the two components provided a strong summary of the data. PC1, represented in vitro starch digestibility and was affected by the addition level of hydrocolloids: PC2, represented rheological parameters and was highly affected by the type of hydrocolloids. Moreover, there was a non-linear relationship between in vitro starch digestibility and rheological properties of Segoami-hydrocolloids gels. The hydrocolloids used in this study showed similar features according to the addition levels of hydrocolloids regardless of type. Segoami-0.5% arabic gum gel was the optimum preparation for retarding in vitro starch digestibility and maintaining rheological properties.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Jung DS,Bae IY,Oh IK,Han SI,Lee SJ,Lee HGdoi
10.1016/j.ijbiomac.2017.06.063subject
Has Abstractpub_date
2017-11-01 00:00:00pages
442-448issue
Pt Aeissn
0141-8130issn
1879-0003pii
S0141-8130(17)30728-6journal_volume
104pub_type
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