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KMID : 0380619810130010025
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Korean Journal of Food Science and Technology
1981 Volume.13 No. 1 p.25 ~ p.29
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Effect of Controlled Atmosphere Storage on Quality of Harvested Asparagus
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Abstract
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Harvested asparagus, Viking variety, was stored in normal and controlled atmosphere with and without ´Butts in water´ to extend shelf life of fresh asparagus.
Controlled atmosphere storage significantly reduced bacterial soft rot of asparagus. When asparagus was stored in controlled atmosphere in combination with ´Butts in water´, asparagus spears could be stored over 3 weeks without noticeable soft rot.
Texture of stored asparagus, as measured by Instron and fiber analysis, became tougher as the storage time was extended. Increase of fiber content in asparagus was significantly reduced by controlled atmosphere storage and fiber content actually decreased in asparagus stored in controlled atmosphere in combination with ´Butts in water´.
Asparagus stored in controlled atmosphere had markedly less chlorophyll destruction than that in normal atmosphere. Reflectance color values of stored asparagus were closely associated with chlorophyll content in asparagus.
Considering all quality factors of stored asparagus, controlled atmosphere in combination with ´Butts in water´ was the best storage method to maintain overall quality of harvested asparagus over 3 weeks.
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