Relationship between the chemical components of taro rhizome mucilage and its emulsifying property.

Abstract:

:The objective of this study was to determine the chemical composition of taro mucilage (TM) and explain its emulsification properties using different commercial emulsifiers and gums as benchmarks. The following analyses were performed: moisture, ether extract, protein, fiber, ash, sugar fraction, starch content, infrared spectroscopy and determination of monosaccharides and amino acids using HPLC. The analyses showed that TM has a high carbohydrate content and small protein fraction, similar to commercial gums. Commercial emulsifiers have a high content of lipids compared to TM. Therefore, it can be concluded that the emulsifying power of the studied mucilage is primarily caused by the protein content along with weakly polar amino acids, which occur in gums. The methyl group (CH3), which was observed in the infrared spectrum, and the lipid content may also contribute to the emulsifying activity by providing a hydrophobic moiety.

journal_name

Food Chem

journal_title

Food chemistry

authors

Andrade LA,Nunes CA,Pereira J

doi

10.1016/j.foodchem.2015.01.094

subject

Has Abstract

pub_date

2015-07-01 00:00:00

pages

331-8

eissn

0308-8146

issn

1873-7072

pii

S0308-8146(15)00108-9

journal_volume

178

pub_type

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