Whey permeate as a bio-preservative for shelf life maintenance of fresh-cut vegetables

Preservative Treatments for Fresh-Cut Fruits and Vegetables

Optimization of application of delactosed whey permeate treatment to extend the shelf life of fresh-cut tomato using response surface methodology.

Optimization of delactosed whey permeate (DWP) treatment for fresh-cut tomato was accomplished by evaluating different quality, nutritional and microbial markers. Response surface methodology was applied to obtain polynomial model equations. DWP concentration (0-5%) and storage (0-10 days) were used as independent factors in order to optimize the process. The analyses showed that increases in D...

Ozonated water extends the shelf life of fresh-cut lettuce.

The use of ozonated water as a sanitizer to extend the shelf life of fresh-cut lettuce and the effect on the antioxidant constituents (polyphenols and vitamin C) were investigated. Fresh-cut iceberg lettuce (Lactuca sativa L.) was washed at 4 degrees C using three different ozonated water dips [10, 20, and 10 activated by ultraviolet C (UV-C) light mg L(-1) min total ozone dose], and the dips w...

Quality retention and potential shelf-life of fresh-cut lemons as affected by cut type and temperature

The effects of four cut types (wedges, slices, 1/2 and 1/4 slices) of ‘Lisbon’ lemons (Citrus lemon L.) and storage at four temperatures (0, , 5 and 10 ◦C) on post-cutting life were studied. Respiration rates of all cut types that were stored at 0, 2 and 5 ◦C up to 8 days were 2–5 times igher than those of the whole lemons, while the increase was up to 12-fold at 10 ◦C. Small differences among ...

Determining Tissue Damage of Fresh-cut Vegetables Using Imaging Technology

A method of quantitatively measuring tissue damage during fresh-cut vegetable processing was developed based on optical imaging technology. Images of damaged and undamaged tissues were acquired through a digital imaging system. The damaged areas were recognized and quantified using an Image-Pro Plus software program based on color differences of the damaged and undamaged tissues. In order to im...