TY - CHAP
T1 - Argon and high content of CO2
T2 - The future for fresh-cut apples packaged in MAP
AU - Pardilla, S.
AU - Mor-Mur, M.
AU - Vega, L. F.
AU - Guri, S.
PY - 2015/2/18
Y1 - 2015/2/18
N2 - The growing interest in recovering a healthy lifestyle based on fresh and healthy diet has led to the emergence of minimally processed or "ready to eat" products. Minimally processed products are more perishable than the fresh whole original product, because the processing operations (wash, peeled, cut, etc.) increase their respiration rate; therefore the rate of degradation also increases. Currently, refrigeration storage and Modified Atmosphere Packaging (MAP) are the main technologies to prolong the shelf-life of minimally processed products. However, the food industry is constantly researching new applications to extend its shelf-life beyond 7 days. The objective of this study was to assess the effects of modified atmosphere containing high levels of carbon dioxide or argon, on the shelf-life of minimally processed apples compared to regular gas mixtures employed to preserve these kinds of products. Three different gas mixtures were studied 5% O2, 5% CO2, 90% Ar; 5% O2, 35% CO2, 60% N2, and 5% O2, 5% CO2, 90%N2. During 14 days a range of quality indexes were evaluated in fresh-cut apples: headspace, color, pH, texture, weight loss and microbial spoilage. The main results showed that apples packaged with Ar-containing mixture presented an increase of the browning index at the end of the storage time, compared with the other treatments. However, mixtures with argon and high carbon dioxide showed an inhibitor effect against mold growth.
AB - The growing interest in recovering a healthy lifestyle based on fresh and healthy diet has led to the emergence of minimally processed or "ready to eat" products. Minimally processed products are more perishable than the fresh whole original product, because the processing operations (wash, peeled, cut, etc.) increase their respiration rate; therefore the rate of degradation also increases. Currently, refrigeration storage and Modified Atmosphere Packaging (MAP) are the main technologies to prolong the shelf-life of minimally processed products. However, the food industry is constantly researching new applications to extend its shelf-life beyond 7 days. The objective of this study was to assess the effects of modified atmosphere containing high levels of carbon dioxide or argon, on the shelf-life of minimally processed apples compared to regular gas mixtures employed to preserve these kinds of products. Three different gas mixtures were studied 5% O2, 5% CO2, 90% Ar; 5% O2, 35% CO2, 60% N2, and 5% O2, 5% CO2, 90%N2. During 14 days a range of quality indexes were evaluated in fresh-cut apples: headspace, color, pH, texture, weight loss and microbial spoilage. The main results showed that apples packaged with Ar-containing mixture presented an increase of the browning index at the end of the storage time, compared with the other treatments. However, mixtures with argon and high carbon dioxide showed an inhibitor effect against mold growth.
KW - Browning index
KW - Minimally processed fruits
KW - Modified atmosphere packaging
KW - Noble gases
KW - Shelf-life
UR - http://www.scopus.com/inward/record.url?scp=84928341436&partnerID=8YFLogxK
U2 - 10.17660/actahortic.2015.1071.97
DO - 10.17660/actahortic.2015.1071.97
M3 - Chapter
AN - SCOPUS:84928341436
T3 - Acta Horticulturae
SP - 731
EP - 738
BT - XI International Controlled and Modified Atmosphere Research Conference
A2 - Amodio, M.L.
A2 - Colelli, G.
ER -