Microbiological, chemical, and sensory quality changes in Pico de gallo as affected by gamma radiation /

a dose of I kGy. Microbiological tests showed that radiation

Bibliographic Details
Main Author: Miller, Gerald Howard, 1969-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1994.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:a dose of I kGy. Microbiological tests showed that radiation
acceptability) showed no difference between radiated and
Ascorbic acid content initially decreased in response to
attributes (color, flavor, texture, odor, heat and overall
concentration decreased during storage while C02
concentration increased. Sensory data for six different
control samples. GC-MS results showed minor differences in
decreased bacterial counts on TSA, APT and MRS plates.
during storage. Levels of acetaldehyde and ethanol in the
end of the study. Headspace composition was not affected by
extensively demethylated, and pectin DE was unaffected by
flavor volatiles between radiated and control samples, and
gallo. Samples of pico de gallo were exposed to cobalt'o at
gamma processing but minor differences were observed at the
gamma radiation. In both control and radiated samples 02
microbiological, sensorial and chemical quality of pico de
product were unaffected by radiation and storage. Pectin
radiation and storage.
Radiation resulted in conversion of CSP to NXP. Levels of
solubility was affected by radiation treatment and storage.
the effects of gamma radiation and storage at 2'C on the
This study was undertaken to gain a greater understanding of
while levels of CSP and OHSP decreased. Pectins were
WSP and NXP increased in both treatments during storage,
Item Description:"Major subject: Food Science & Technology".
Vita.
Physical Description:x, 58 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references.