Visualization of intracellular ice crystal formation using x-ray micro-computed tomography / (Record no. 7217)

MARC details
000 -LEADER
fixed length control field 03479nam a2200277 a 4500
001 - CONTROL NUMBER
control field vtls000052835
003 - CONTROL NUMBER IDENTIFIER
control field KUKTEM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20251117113342.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 110419t2010 my a f m 001 0 eng d
020 ## - INTERNATIONAL STANDARD BOOK NUMBER
International Standard Book Number THE0004746(Local)
039 #9 - LEVEL OF BIBLIOGRAPHIC CONTROL AND CODING DETAIL [OBSOLETE]
Level of rules in bibliographic description 201905141116
Level of effort used to assign nonsubject heading access points smfh
Level of effort used to assign subject headings 201710121533
Level of effort used to assign classification aishah
Level of effort used to assign subject headings 201107140046
Level of effort used to assign classification VLOAD
Level of effort used to assign subject headings 201104191213
Level of effort used to assign classification ida
-- 201104191045
-- ida
040 ## - CATALOGING SOURCE
Original cataloging agency UMP
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) TP372.3 .N87 2010 rs Thesis
100 0# - MAIN ENTRY--PERSONAL NAME
Personal name Nurzahida Mohd Zaid
245 10 - TITLE STATEMENT
Title Visualization of intracellular ice crystal formation using x-ray micro-computed tomography /
Statement of responsibility, etc. Nurzahida Mohd Zaid
246 3# - VARYING FORM OF TITLE
Title proper/short title Visualization of intracellular ice crystal formation using x-ray micro-computed tomography
Medium [electronic resource]
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Place of publication, distribution, etc. Kuantan, Pahang :
Name of publisher, distributor, etc. UMP,
Date of publication, distribution, etc. 2010
300 ## - PHYSICAL DESCRIPTION
Extent xiv, 158 p. :
Other physical details ill. ;
Dimensions 30 cm. +
Accompanying material 1 computer disc
502 ## - DISSERTATION NOTE
Dissertation note Thesis (Master of Engineering Bioprocess) -- Universiti Malaysia Pahang - 2010
504 ## - BIBLIOGRAPHY, ETC. NOTE
Bibliography, etc. note Bibliography : p. 157-158
520 3# - SUMMARY, ETC.
Summary, etc. This study demonstrates the capability of X-ray Micro-computed Tomography (XMT) technique to characterise the internal ice crystal microstructure of freeze-dried samples (strawberry). The method requires the fruit being frozen under specific freezedrying temperature of the samples to remove frozen water before scanning to indicateice crystal and internal structure of the samples. Results are presented for the 2-D ice crystals formed within the samples. The dendrite spacing (size, volume and width) of ice crystals is related to freezing condition of the samples. Only 1% small intercellular voids distribution of the total 99% volume in fresh strawberry samples as compared to 72% void or pore distribution in freeze-dried samples. Other than that, the average width size of ice crystal for two different operating freezing (-20oC and -80oC) temperatures for strawberry samples was 0.15 to 0.29 mm and 0.29 to 0.40 mm respectively. The overall results indicate that the ice crystal distribution within samples were diverse with the axial distance of the material from its cooling surface. The ice crystal size is bigger when the fruits were far from the cooling surface. At the investigated conditions, the comparisons with air-drying technique had been done on jackfruit and the study on those fruits had been limited to image visualization for validation and nutrient analysis. Samples dried in the freeze dryer were seen to retain their shape much better than air dried samples which underwent shrinkage and change in color. Samples dried in freeze dryer possessed less dense structures and consequently displayed more favorable rehydrated textural properties than the air-dried equivalents. Furthermore the total phenolic (TP), and ascorbic acid (AA) of the fresh and freezedried samples had been investigated. This method had preserved 3.65 mg/mL AA concentration in freeze-dried strawberry samples with ultrasonic pre-treatment and no AA had been detected in the air-dried strawberry samples. Total phenolics (TP) concentrations was also evaluated and compared to the TP content in fresh samples that were frozen and stored at -20oC. The average TP content of frozen, freeze-dried and airdried strawberries are 270.5, 231.0, and 28.7 mg/100 g of fresh weight, respectively.
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Freeze-drying
650 #0 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element Tomography
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="http://ecollib.ump.edu.my/3912/">http://ecollib.ump.edu.my/3912/</a>
Public note Library access only
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Home library Current library Date acquired Total checkouts Full call number Barcode Date last seen Copy number Price effective from Koha item type
  Not lost Library of Congress Classification   Not for loan UMPLIB GAMBANG UMPLIB GAMBANG 04/09/2019   TP372.3 .N87 2010 rs Thesis 0000055197 04/09/2019 1 04/09/2019 Thesis
  Not lost Library of Congress Classification   Not for loan UMPLIB GAMBANG UMPLIB GAMBANG 04/09/2019   CD 5223 | TP372.3 .N87 2010 rs Thesis 0000055198 04/09/2019 1 04/09/2019 Thesis

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