Evaluating water activity and glass transition concepts for food stability

2007 ◽  
Vol 78 (1) ◽  
pp. 266-271 ◽  
Author(s):  
S.S. Sablani ◽  
S. Kasapis ◽  
M.S. Rahman
Keyword(s):  
Glass Transition ◽  
Water Activity ◽  
Food Stability

scholarly journals Challenges beyond F-Value, Water Activity and Glass Transition Concept in Determining Food Stability

2013 ◽  
Vol 27 ◽  
pp. 48-52
Author(s):  
Mohammad Safiur Rahman
Keyword(s):  
Glass Transition ◽  
Water Activity ◽  
Chemical Engineering ◽  
State Diagram ◽  
Food Preservation ◽  
Stability Criteria ◽  
Theoretical Concepts ◽  
Food Stability ◽  
Processing And Storage ◽  
And Storage

Theoretical concepts of F-value, water activity and glass transition are the most successful in determining food stability during food processing and storage. The water activity and glass transition concepts are progressed by combining these concepts in a stability map named as state diagram. The first part of this paper provides stability criteria based on Fvalue, water activity, glass transition and state diagram. The second part explains the recently proposed macro-micro region concept in the state diagram. In this concept, 13 micro-regions are mapped and then relative stability criteria between the micro-regions are postulated. Final part presents real challenges in combing different hurdles in food preservation. DOI: http://dx.doi.org/10.3329/jce.v27i1.15858 Journal of Chemical Engineering, IEB Vol. ChE. 27, No. 1, June 2012: 48-52

GLASS TRANSITION TEMPERATURE (Tg) AND WATER ACTIVITY (aw) OF DEHYDRATED APPLE PRODUCTS

1999 ◽  
Vol 22 (2) ◽  
pp. 91-101 ◽  
Author(s):  
JORGE WELTI-CHANES ◽  
JOSE A. GUERRERO ◽  
MARIA E. BARCENAS ◽  
JOSE M. AGUILERA ◽  
FIDEL VERGARA ◽  
...  
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Water Activity ◽  
Apple Products

Evaluating Stability of Vitamin C in Fortified Formula Using Water Activity and Glass Transition

2007 ◽  
Vol 10 (1) ◽  
pp. 61-71 ◽  
Author(s):  
Shyam S. Sablani ◽  
K. Al-Belushi ◽  
I. Al-Marhubi ◽  
R. Al-Belushi
Keyword(s):  
Glass Transition ◽  
Vitamin C ◽  
Water Activity
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