Journal of Food, Agriculture and Environment

Influence of postharvest water replacement on shelf life of parsley leaves

Author(s):

Fernando L. Finger ^1*, Virgínia de S. Álvares ², Jacson R. da Silva ³, Caetano Calestine ¹, Vicente W. D. Casali ¹

Recieved Date: 2007-12-17, Accepted Date: 2008-03-20

Abstract:

Wilting is one of the major problems of parsley leaves in Brazilian retail stores. This study was conducted to determine the effect of postharvest replacement of water by submerging the parsley leaf bunches in water for 3, 6 or 9 hours at three stages: when total weight loss reached 5 and 10% and immediately after two hours of storage. Leaves were stored at 5 or 25ºC until visible wilting or yellowing was detected. Results demonstrated that water replacement resulted in gains in fresh mass, resulting in longer shelf life for leaves stored at 5 and 25ºC. In general, longer recharging resulted in greater water uptake by the leaves, but at a lower rate. By recharging the leaves with water, lower rates of mass loss were observed compared to untreated leaf bunches. Regardless the storage temperature, the relative water content of leaves decreased during shelf life, which in general was less accentuated for leaves submerged in water for 6 and 9 hours. Postharvest water replacement should be considered as an option to extend the shelf life of horticultural products that are susceptible to intense moisture loss.

Keywords:

Petroselinum crispum, water uptake, relative water content, shelf life

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Journal: Journal of Food, Agriculture and Environment
Year: 2008
Volume: 6
Issue: 2
Category: Food and Health
Pages: 116-118

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