1-MCP is more effective on a floral brassica (Brassica oleracea var. italica L.) than a leafy brassica (Brassica rapa var. chinensis)

Able, Amanda J., Wong, Lung Sing, Prasad, Amikha and O'Hare, Timothy J (2002) 1-MCP is more effective on a floral brassica (Brassica oleracea var. italica L.) than a leafy brassica (Brassica rapa var. chinensis). Postharvest Biology and Technology, 26 2: 147-155. doi:10.1016/S0925-5214(02)00011-X


Author Able, Amanda J.
Wong, Lung Sing
Prasad, Amikha
O'Hare, Timothy J
Title 1-MCP is more effective on a floral brassica (Brassica oleracea var. italica L.) than a leafy brassica (Brassica rapa var. chinensis)
Journal name Postharvest Biology and Technology   Check publisher's open access policy
ISSN 0925-5214
1873-2356
Publication date 2002-09
Sub-type Article (original research)
DOI 10.1016/S0925-5214(02)00011-X
Volume 26
Issue 2
Start page 147
End page 155
Total pages 9
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Language eng
Formatted abstract
Florets of broccoli (Brassica oleracea var. italica L.) and the youngest fully expanded leaf detached from pak choy (Brassica rapa var. chinensis) were treated with 1-methylcyclopropene (1-MCP) overnight (16 h) and then stored at supermarket retail temperature (10°C). A concentration of 12 μl l -1 was considered optimal for both pak choy leaves and broccoli florets. 1-MCP increased shelf life of broccoli florets by just greater than 20% but had little effect on pak choy shelf life (increases between 10 and 20%) in the absence of exogenously applied ethylene. Multiple applications had no further impact while 1-MCP needed to be applied as soon as possible after harvest to have maximal effect. If 1-MCP treatment was applied overnight at 20°C prior to storage at 10°C, its effect was slightly increased. However, 1-MCP did protect broccoli and pak choy from the effects of exogenously applied ethylene (0.1 or 1 μl l -1) suggesting it may be useful during retail or storage with ethylene-producing commodities. Differences between the efficacies of 1-MCP on florets compared with leaves are discussed.
Keyword Ethylene
Pak Choy
Broccoli
Leafy vegetable
1-methylcyclopropene
Storage
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
 
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Created: Mon, 07 Mar 2011, 15:18:49 EST