Evaluation of masa texture /

acceptability for measuring masa stickiness. None of the

Bibliographic Details
Main Author: Bosiger, Irene, 1970-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1997.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:acceptability for measuring masa stickiness. None of the
adhesiveness test might have good potential provided the
adhesiveness tests were used to determine-nine differences
adhesiveness values increased and decreased, respectively, as
among commercial masas produced in the plant and the changes
analysis measurements included hardness, adhesiveness,
and tacos. Several methods to form masa in an objective
coefficient of variation was high (50%) which limited its
cohesiveness, springiness, gumminess, and chewiness. The TPA
corn masas from nixtarnalized corn flours used for tortillas
did not appear to be as good as the hardness values obtained
effective indicators of masa stickiness although the
from the TPA technique. The TA.XT2 texture analyzer was
hardness values were the most highly correlated with
hardness values which was also noted by subjective
in masas before and after pumping from the grinder to the
its effectiveness. Measurements from the adhesiveness test
masa was stored up to 24 hrs. No difference among fresh
masas for different products were observed but fresh masa
mixed with nixtamalized corn flours had significantly higher
observations. TPA hardness successfully detected differences
other four TPA measurements were practical measures of masa
probe used in this test is redesigned using metal typically
relatively high coefficient of variation (21%) which limited
repeatable way were developed during this study. The TPA
reproducible measurement. None of the methods evaluated were
sheeter. The hardness method is the most useful and
subjective evaluations of the texture and machinability of
subjective masa texture measurements; however, the
subjective texture values and had the lowest coefficient of
taken to a commercial tortilleria where the TPA and
texture. The adhesiveness force was significantly correlated
that occurred. Both methods could be used in the commercial
the TA.XT2 texture analyzer were developed and compared with
tortilleria to obtain repeatable data. The TPA hardness and
Two objective methods to determine texture of corn masa using
used in masa sheeting and pressing.
variation. The TPA adhesiveness values were correlated with
with subjective evaluations of masa texture but it had a
Item Description:"Major subject: Food Science and Technology".
Vita.
Physical Description:xii, 101 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.