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In vitro digestion rate and resistant starch content of tortillas stored at two different temperatures

Islas-Hernández, José Juan ; Rendón-Villalobos, Rodolfo ; Agama-Acevedo, Edith ; Gutiérrez-Meraz, Felipe ; Tovar, Juscelino LU orcid ; Arámbula-Villa, Gerónimo and Bello-Pérez, Luis Arturo (2006) In LWT - Food Science and Technology 39(8). p.947-951
Abstract

In vitro indicators of starch bioavailability were evaluated in freshly prepared maize tortillas and compared to those exhibited by 24, 48 or 72 h-stored samples. Storage took place either at room temperature (approx. 25 °C) or under refrigeration (4 °C). Potentially available starch (AS) content decreased from 670 g kg-1 in the control tortilla to 583 g kg-1 in 72 h-stored preparations. Concomitant increases in total resistant starch (RS) and retrograded resistant starch (RRS) were recorded upon storage. RRS content in 72 h-stored samples (35-39 g kg-1) doubled that of freshly prepared tortillas. Changes in AS, RS and RRS were not affected by storage temperature. Both initial rate and final point of... (More)

In vitro indicators of starch bioavailability were evaluated in freshly prepared maize tortillas and compared to those exhibited by 24, 48 or 72 h-stored samples. Storage took place either at room temperature (approx. 25 °C) or under refrigeration (4 °C). Potentially available starch (AS) content decreased from 670 g kg-1 in the control tortilla to 583 g kg-1 in 72 h-stored preparations. Concomitant increases in total resistant starch (RS) and retrograded resistant starch (RRS) were recorded upon storage. RRS content in 72 h-stored samples (35-39 g kg-1) doubled that of freshly prepared tortillas. Changes in AS, RS and RRS were not affected by storage temperature. Both initial rate and final point of starch hydrolysis by pancreatic amylase were reduced in samples kept for 48 and 72 h, without influence of storage temperature. Storage length is suggested as a major determinant of the bioavailability of starch in tortillas.

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author
; ; ; ; ; and
publishing date
type
Contribution to journal
publication status
published
keywords
Digestibility, Digestion rate, Resistant starch, Storage, Tortilla
in
LWT - Food Science and Technology
volume
39
issue
8
pages
5 pages
publisher
Academic Press
external identifiers
  • scopus:33646127784
ISSN
0023-6438
DOI
10.1016/j.lwt.2005.06.010
language
English
LU publication?
no
id
04d1f317-ae22-4f75-a2f4-57890d6f21de
date added to LUP
2018-10-05 15:41:28
date last changed
2025-02-04 18:32:29
@article{04d1f317-ae22-4f75-a2f4-57890d6f21de,
  abstract     = {{<p>In vitro indicators of starch bioavailability were evaluated in freshly prepared maize tortillas and compared to those exhibited by 24, 48 or 72 h-stored samples. Storage took place either at room temperature (approx. 25 °C) or under refrigeration (4 °C). Potentially available starch (AS) content decreased from 670 g kg<sup>-1</sup> in the control tortilla to 583 g kg<sup>-1</sup> in 72 h-stored preparations. Concomitant increases in total resistant starch (RS) and retrograded resistant starch (RRS) were recorded upon storage. RRS content in 72 h-stored samples (35-39 g kg<sup>-1</sup>) doubled that of freshly prepared tortillas. Changes in AS, RS and RRS were not affected by storage temperature. Both initial rate and final point of starch hydrolysis by pancreatic amylase were reduced in samples kept for 48 and 72 h, without influence of storage temperature. Storage length is suggested as a major determinant of the bioavailability of starch in tortillas.</p>}},
  author       = {{Islas-Hernández, José Juan and Rendón-Villalobos, Rodolfo and Agama-Acevedo, Edith and Gutiérrez-Meraz, Felipe and Tovar, Juscelino and Arámbula-Villa, Gerónimo and Bello-Pérez, Luis Arturo}},
  issn         = {{0023-6438}},
  keywords     = {{Digestibility; Digestion rate; Resistant starch; Storage; Tortilla}},
  language     = {{eng}},
  month        = {{10}},
  number       = {{8}},
  pages        = {{947--951}},
  publisher    = {{Academic Press}},
  series       = {{LWT - Food Science and Technology}},
  title        = {{In vitro digestion rate and resistant starch content of tortillas stored at two different temperatures}},
  url          = {{http://dx.doi.org/10.1016/j.lwt.2005.06.010}},
  doi          = {{10.1016/j.lwt.2005.06.010}},
  volume       = {{39}},
  year         = {{2006}},
}