atmosphere storage
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2022 ◽  
Vol 371 ◽  
pp. 131152
Author(s):  
Rachael Maree Wood ◽  
Fabio Rodrigo Thewes ◽  
Milena Reynaud ◽  
Dominikus Kittemann ◽  
Cláudia Kaehler Sautter ◽  
...  

2022 ◽  
Vol 52 (6) ◽  
Author(s):  
Renar João Bender ◽  
Jeffrey Karl Brecht ◽  
Elizabeth Amory Baldwin

ABSTRACT: Mango flavor is dependent on cultivar characteristics and postharvest handling procedures. Mangoes harvested with the ripening metabolism initiated develop better flavor than mangoes harvested at the mature-green stage. Different cultivars were harvested at both ripeness stages and evaluated to determine the effect of fruit ripeness, storage temperature and atmosphere on the volatiles present in aroma profiles. Mangoes of the cultivars Haden, Keitt and Tommy Atkins at distinct ripeness stages were stored in controlled atmospheres (CA) with 2, 5 or 21 kPa O2 plus 0, 10 or 25 kPa CO2 at 5, 8, 12 or 15 °C. Terpene concentrations of mangoes stored in air were higher than the concentrations in mangoes stored in CA. The sesquiterpene α-copaene did not present recognizable peaks in almost all elusion sequences. The same result was observed with the monoterpene β-pinene in cv. Haden and cv. Keitt mangoes while in ‘Tommy Atkins’ fruit β-pinene concentrations were below 1.06 µL.L-1. Ethanol and acetaldehyde concentrations were significantly higher in mangoes from 2 kPa O2 storage than those from air storage or the other CA treatments. Terpene synthesis in air or CA storage in all cultivars varied significantly, preventing generalizations as to what storage conditions favor or limit aroma components elution.


LWT ◽  
2022 ◽  
pp. 113033
Author(s):  
Cristiano André Steffens ◽  
Grez Roberta Oliveira Santana ◽  
Cassandro Vidal Talamini do Amarante ◽  
Josias Lenon Antonovviski ◽  
Tiago Miqueloto ◽  
...  

Foods ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 2965
Author(s):  
Nandita Keshri ◽  
Ingo Truppel ◽  
Manfred Linke ◽  
Martin Geyer ◽  
Cornelia Weltzien ◽  
...  

Adjusting beneficial gas concentrations in real time in response to changing storage conditions is important for fresh produce, especially throughout the supply chain when temperature abuse occurs frequently. In this study, a controlled-ventilated box for bulk transportation of fresh produce was demonstrated and tested under variable temperatures. The presented system comprised a rigid container with a miniature blower installed in the opening of its wall for facilitating the gas exchange and an additional wall opening with a metal tube protruding into the inner container’s space. The in-package atmosphere was formed by the balance between the respiratory activity of the produce and the influx of fresh air through the wall openings, regulated by switching the blower ON or OFF. The mass transfer coefficient for metal tubes of different dimensions was measured under modified atmosphere featuring 15% CO2 and 5% O2 at 10 °C. The addition of an air blower increased the mass transfer coefficient by at least 100 times. A further storage trial with cherries was successfully performed at 10 °C and 20 °C. The demonstrated trial featured some significant inputs to increase the knowledge about better storage of fresh produce throughout the supply chain and storage.


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