Effect of nixtamalization processes on mitigation of acrylamide formation in tortilla chips

Alfonso Topete-Betancourt, Juan de Dios Figueroa Cárdenas, Adriana Lizbeth Rodríguez-Lino, Elvira Ríos-Leal, Eduardo Morales-Sánchez, Héctor Eduardo Martínez-Flores

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Acrylamide can be generated from food components during tortilla chips frying. Thus, the aim of this research was to study different nixtamalization processes as traditional (TNP) with lime [Ca(OH)2], ecological (ENP) with CaCO3, classic nixtamalization (CNP) that uses wood ash and extrusion (EXT) with no Ca+2 source on mitigating the acrylamide formation in deep-fat frying tortilla chips. Acrylamide quantification was done through HPLC–UV. Lower acrylamide content in tortilla chips was for CNP with 46.3 µg/kg, followed by TNP with 55.0 µg/kg, ENP with 694.6 µg/kg and EXP with 1443.4 µg/kg. Differences in acrylamide values among samples can be related to effect of cations (Ca2+, Mg2+, Fe2+, Zn2+, Na+ and K+) present in wood ashes, lime and salts used as raw materials. Correlation of (r = 0.85; p <0.0005) was observed in color of tortilla chips, moisture, texture, blisters, and oil with acrylamide. Nixtamalization process is an effective and inexpensive strategy for acrylamide mitigation.

Original languageEnglish
Pages (from-to)975-982
Number of pages8
JournalFood Science and Biotechnology
Volume28
Issue number4
DOIs
StatePublished - 1 Aug 2019
Externally publishedYes

Keywords

  • Acrylamide
  • Mono- and di-cations
  • Nixtamalization
  • Tortilla chips

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