Articles
MAINTAINING BROCCOLI SHELF-LIFE DURING MIXED LOAD MARKETING WITH A NOVEL IN-BOX 1-METHYLCYCLOPROPENE AND MODIFIED ATMOSPHERE PACKAGING SYSTEM
Article number
1079_19
Pages
179 – 186
Language
English
Abstract
Suboptimal temperature and ethylene exposure during mixed load transport and storage can limit the shelf-life and quality of highly perishable and ethylene sensitive vegetable products such as broccoli.
A novel, small scale, in-box application system for 1 methylecyclopropene (1-MCP) (SmartFreshTM In-Box) in combination with modified atmosphere packaging was assessed for its potential in maintaining broccoli green colour and limiting water loss, two of the most important quality criteria for broccoli.
Broccoli (Brassica oleracea Parthenon) was packaged in Ripelock (AgroFresh, Inc., Philadelphia, PA, USA) modified atmosphere bags either with or with-out an 1-MCP releasing in-box sachet and treated with 5 µl L-1 ethylene for 16 h to simulate mixed loads or left untreated.
Packaged broccoli was stored at 0, 7.5 or 12°C for 42, 22 and 18 d, respectively.
Quality as a measure of percentage yellowing and water loss was assessed at various intervals during storage and after 3 d shelf-life at 10°C for each storage evaluation time. 1-MCP significantly reduced the rate of yellowing for broccoli stored at 7.5 and 12°C, seen during storage and retail display assessments. 1-MCP application buffered against suboptimal temperature induced yellowing for products stored at 7.5°C plus 3 d shelf-life at 10°C. No treatment differences were found between products stored at 0°C, with all broccoli heads maintaining a retail acceptable level of less than 20% yellowing for up to 42 d.
At 7.5°C, the maximum storage duration that allowed for quality retail (less than 20% yellowing) was 11 d and was achieved with the in-box 1-MCP + MAP system.
The 1-MCP system was able to extend storability by a week compared with untreated or ethylene exposed products.
At 12°C, a maximum storage duration of 8 d was achieved with the 1-MCP in-box application.
The MAP was successful at limiting water loss during storage, with no differences recorded between the various treatments and storage temperatures.
A novel, small scale, in-box application system for 1 methylecyclopropene (1-MCP) (SmartFreshTM In-Box) in combination with modified atmosphere packaging was assessed for its potential in maintaining broccoli green colour and limiting water loss, two of the most important quality criteria for broccoli.
Broccoli (Brassica oleracea Parthenon) was packaged in Ripelock (AgroFresh, Inc., Philadelphia, PA, USA) modified atmosphere bags either with or with-out an 1-MCP releasing in-box sachet and treated with 5 µl L-1 ethylene for 16 h to simulate mixed loads or left untreated.
Packaged broccoli was stored at 0, 7.5 or 12°C for 42, 22 and 18 d, respectively.
Quality as a measure of percentage yellowing and water loss was assessed at various intervals during storage and after 3 d shelf-life at 10°C for each storage evaluation time. 1-MCP significantly reduced the rate of yellowing for broccoli stored at 7.5 and 12°C, seen during storage and retail display assessments. 1-MCP application buffered against suboptimal temperature induced yellowing for products stored at 7.5°C plus 3 d shelf-life at 10°C. No treatment differences were found between products stored at 0°C, with all broccoli heads maintaining a retail acceptable level of less than 20% yellowing for up to 42 d.
At 7.5°C, the maximum storage duration that allowed for quality retail (less than 20% yellowing) was 11 d and was achieved with the in-box 1-MCP + MAP system.
The 1-MCP system was able to extend storability by a week compared with untreated or ethylene exposed products.
At 12°C, a maximum storage duration of 8 d was achieved with the 1-MCP in-box application.
The MAP was successful at limiting water loss during storage, with no differences recorded between the various treatments and storage temperatures.
Publication
Authors
T. de Beer, E.M. Crouch
Keywords
yellowing, Brassica oleracea, ¿Parthenon¿, SmartFreshTM In-Box, ethylene
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