title: Potential of carboxymethyl cellulose and γ-irradiation to maintain quality and control disease of peach fruit.
abstract: Carboxymethyl cellulose (CMC) coatings alone and in combination with gamma irradiation were tested for maintaining the storage quality and control of post-harvest gray and black mold disease of peach. Matured green peaches were CMC coated at levels 0.5-1.0% (w/v) and gamma irradiated at 1.2 kGy. The treated fruit including control was stored under ambient (temperature 25 ± 2°C, RH 70%) and refrigerated (temperature 3 ± 1°C, RH 80%) conditions. In fruits treated with individual treatments of 1.0% (w/v) CMC; 1.2 kGy irradiation and combination of 1.0% (w/v) CMC and 1.2 kGy irradiation, no decay was recorded up to 6, 8 and 14 days of ambient storage. Irradiation alone at 1.2 kGy prevented the onset of disease incidence up to 4 days compared to 2 days by 1.0% (w/v) CMC coating following 30 days of refrigeration. Combination of CMC at 1.0% (w/v) and 1.2 kGy irradiation prevented disease incidence of peach up to 7 days during post-refrigerated storage at 25 ± 2°C, RH 70% following 30 days of refrigeration. Above combinatory treatment can be of great potential in facilitating the marketing of the fruit, thereby benefiting the growers.
authors.affiliation: Astrophysical Sciences Division, Nuclear Research Laboratory, Bhabha Atomic Research Centre, Zakura, Srinagar 190006, India. Electronic address: hussainpr@rediffmail.com.
authors.forename: Peerzada R
authors.initials: PR
authors.lastname: Hussain
authors.affiliation: Astrophysical Sciences Division, Nuclear Research Laboratory, Bhabha Atomic Research Centre, Zakura, Srinagar 190006, India.
authors.forename: Prashant P
authors.initials: PP
authors.lastname: Suradkar
authors.affiliation: Astrophysical Sciences Division, Nuclear Research Laboratory, Bhabha Atomic Research Centre, Zakura, Srinagar 190006, India.
authors.forename: Ali M
authors.initials: AM
authors.lastname: Wani
authors.affiliation: Astrophysical Sciences Division, Nuclear Research Laboratory, Bhabha Atomic Research Centre, Zakura, Srinagar 190006, India.
authors.forename: Mohd A
authors.initials: MA
authors.lastname: Dar
mesh_terms: D000872:Anthocyanins / Q000737:chemistry; D001205:Ascorbic Acid / Q000737:chemistry; D002241:Carbohydrates / Q000737:chemistry; D002266:Carboxymethylcellulose Sodium / Q000737:chemistry* / Q000494:pharmacology*; D020099:Coated Materials, Biocompatible / Q000737:chemistry; D015169:Colony Count, Microbial; D005516:Food Microbiology; D005519:Food Preservation; D063427:Food Quality; D005720:Gamma Rays; D014442:Monophenol Monooxygenase / Q000737:chemistry; D010368:Pectins / Q000737:chemistry; D019800:Phenol / Q000737:chemistry; D000068239:Prunus persica / Q000187:drug effects* / Q000528:radiation effects*; D011839:Radiation, Ionizing
chemical_list: D000872:Anthocyanins; D002241:Carbohydrates; D020099:Coated Materials, Biocompatible; D019800:Phenol; D010368:Pectins; D014442:Monophenol Monooxygenase; D002266:Carboxymethylcellulose Sodium; D001205:Ascorbic Acid
keywords: CMC coating; Disease incidence; Gamma irradiation; Peach; Storage quality