0000000000289410
AUTHOR
E. Guccione
Effects of xanthan gum and calcium ascorbate treatments on color and nutritional quality of fresh cut pear fruit
Edible coatings may be used to extend the shelf life of fresh-cut fruit products by controlling respiration and transpiration reducing overall quality decay. In this study, the effects of xanthan gum, combined with calcium ascorbate treatment, on color and nutritional quality of fresh-cut pear fruit were investigated. Fresh-cut pear fruit were processed with dipping for 4 different treatments: 2% xanthan gum solution with 2% calcium ascorbate (XAC); 2% xanthan gum solution (XAN); 2% ascorbate calcium solution (CAL) and distilled water for control (CTR). Fruit treated were stored at 5°C for 3, 5, 7 and 10 days. At each storage period, visual quality and flavor score, ascorbic acid and phenol…
Use of chemical treatments to reduce browning color of white fresh-cut peaches, harvested in summer and late crop
Fresh-cut white peach is very perishable and discoloration or browning are the main factors affecting consumer acceptability loss. Color and appearance attract the consumer to a product and can help in impulse purchase. The aim of this study was to investigate the effect of two different edible coatings formulations in preserving freshcut fruit of the early ripening ‘Murtiddara’ and the late ripening ‘Settembrina’ peach landraces, belonging to the ‘Pesca di Bivona’ varietal population. Fruit sampled at commercial harvest stage, after cutting and dipping in different solutions with ascorbate calcium (ASC) and hydroxypropyl methylcellulose (HPMC) were stored for 3, 5, 7 and 12 days at 5°C and…
Use of xanthan gum and calcium ascorbate to prolong cv. Butirra pear slices shelf life during storage
After cut, pear fruit (Pyrus communis L.) during shelf-life can be subjected to colour and flavour changes. To maintain flesh colour and firmness, different technologies could be employed during shelf-life, such as chemical, physical and edible coating treatments. In the present study, the effects of two edible coating formulations containing xanthan gum and calcium ascorbate on fresh-cut pear fruit were investigated. After harvest, 200 fruits were cut and coated with Xanthan Gum (XAN) and distilled water or Xanthan gum + Calcium Ascorbate (ASC), respectively, while control (CTR) pear fruit slices were soaked in distilled water and lastly packed in polyethylene terephthalate (PET) packages …
Effect of mucilage edible coating on fresh-cut nectarine cultivar ‘Big Bang’
The mucilage (OFI) obtained from cladodes of cactus pear (Opuntia ficus-indica) is useful to produce natural edible coatings to improve the shelf life of fruits. Edible coatings could be used to extend the shelf life of fresh-cut for products. The aim of this study was to evaluate the effect of (OFI) on quality of ‘Big Bang' nectarine slices. After cutting, nectarine slices were dipped in three different solutions: 1) distilled water, mucilage, glycerol (MC); 2) distilled water, mucilage, glycerol, Tween 20 (TW); 3) distilled water as control (CTR) and were stored for 3, 5, 7 and 12 days at 5°C and 90% RH, in polyethylene terephthalate (PET) packages under passive modified atmosphere condit…
Color and sensory changes in fresh cut pear during storage comparing ‘Coscia’ and ‘Butirra’, cultivated in southern Italy
Pear (Pyrus communis L.) cultivars ‘Coscia’ and ‘Butirra’, cultivated in southern Italy are characterized very excellent by aroma and texture. Visual appearance is the primary descriptor that determines the acceptance of fresh-cut pears. Softening is another important quality parameter which considerably influences the acceptance of fresh-cut pears. The aim of this work was to study the effect of genotype on shelf life and quality of fresh-cut pear fruit harvested at commercial maturity stage. After cutting, pear fruit samples were stored under passive atmosphere at 5±1°C for 3, 5, 7 and 12 days. Fruit color (L*, a*, b*, ΔE), consistence, solid soluble, titratable acidity, CO2 and O2 packag…