Abstract
Peaches are known for their palatable flavour and abundant nutrients. However, peaches are perishable, and the existing preservation techniques for peaches are still immature. Therefore, to extend the shelf life and prevent nutrient loss of perishable peaches experiment was conducted to find out the effect of active packaging and different levels of ventilation on quality of peach fruits under refrigerated storage conditions. Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage and packed in thermocol trays wrapped with polypropylene (PP) and low density polyethylene (LDPE) bags comprising the following treatments : T1 (control), T2 (ethylene absorber + 0 perforation), T3 (ethylene absorber + 4 perforations), T4 (ethylene absorber + 8 perforations), T5 (oxygen absorber + 0 perforation), T6 (oxygen absorber + 4 perforations), T7 (oxygen absorber + 8 perforations), respectively. The packed fruits were stored under refrigerated conditions and analysed at regular interval of 7 days to ascertain the changes occurring in chemical, sensory and microbiological quality parameters. Total and reducing sugars increased upto 21 days of storage in both PP and LDPE packaging and thereafter decreased. T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1). Initially no microbial growth was observed in both the packaging materials upto 7 days whereas, after 28 days of storage highest mean microbial count of 4.29 x 104 and 5.00 x 104 CFU/g were recorded in treatment T1 (control) in PP and LDPE, respectively. On the basis of sensory scores T3 (ethylene absorber + 4 perforations) was rated best among all the treatments in both packaging materials. Overall, T3 (ethylene absorber + 4 perforations) was best suited active packaging to retain quality as well as reduce the spoilage of peach fruits during storage under refrigerated conditions.
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Claims 13
Claim · model-written summary
Total and reducing sugars of peach fruits increased up to 21 days of storage
- Taxon
- Prunus persica
Prunus persicae2 - Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Outcome
- Total and reducing sugarse1
- Direction
- increasede1
- Qualifier
- upto 21 days of storagee1
- Setting
- refrigerated conditionse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Total and reducing sugars increased upto 21 days of storage in both PP and LDPE packaging and thereafter decreased”
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e3“The packed fruits were stored under refrigerated conditions”
Claim · model-written summary
Total and reducing sugars of peach fruits decreased after 21 days of storage
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Outcome
- Total and reducing sugarse1
- Direction
- decreasede1
- Qualifier
- thereaftere1
- Setting
- refrigerated conditionse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Total and reducing sugars increased upto 21 days of storage in both PP and LDPE packaging and thereafter decreased”
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e3“The packed fruits were stored under refrigerated conditions”
Claim · model-written summary
T3 (ethylene absorber + 4 perforations) gave the minimum mean reducing sugar content of 2.80 per cent in PP, lower than control (T1) at 3.17 per cent
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- T3 (ethylene absorber + 4 perforations)e4
- Outcome
- minimum mean reducing sugar contente4
- Direction
- lowerinferrede4
- Value
- 2.80 per cente4
- Qualifier
- 3.17 per cent in PPe4
- Comparator
- control (T1)e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e4“T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1)”
Claim · model-written summary
T3 (ethylene absorber + 4 perforations) gave the minimum mean reducing sugar content of 2.71 per cent in LDPE, lower than control (T1) at 3.10 per cent
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- T3 (ethylene absorber + 4 perforations)e4
- Outcome
- minimum mean reducing sugar contente4
- Direction
- lowerinferrede4
- Value
- 2.71 per cente4
- Qualifier
- 3.10 per cent in LDPEe4
- Comparator
- control (T1)e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e4“T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1)”
Claim · model-written summary
Control (T1) had a maximum total sugar of 8.36 per cent in PP
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- control (T1)e4
- Outcome
- maximum total sugare4
- Value
- 8.36 per cente4
- Qualifier
- in PPe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e4“T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1)”
Claim · model-written summary
Control (T1) had a maximum total sugar of 8.24 per cent in LDPE
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- control (T1)e4
- Outcome
- maximum total sugare4
- Value
- 8.24 per cente4
- Qualifier
- in LDPEe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e4“T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1)”
Claim · model-written summary
Control (T1) had a reducing sugar content of 3.17 per cent in PP
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- control (T1)e4
- Outcome
- reducing sugare4
- Value
- 3.17 per cente4
- Qualifier
- in PPe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e4“T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1)”
Claim · model-written summary
Control (T1) had a reducing sugar content of 3.10 per cent in LDPE
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- control (T1)e4
- Outcome
- reducing sugare4
- Value
- 3.10 per cente4
- Qualifier
- in LDPEe4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e4“T3 (ethylene absorber + 4 perforations) recorded the minimum mean reducing sugar content of 2.80 per cent in PP and 2.71 per cent in LDPE whereas, maximum total sugar of 8.36 per cent in PP and 8.24 per cent in LDPE and reducing sugar of 3.17 per cent in PP and 3.10 per cent in LDPE were observed in control (T1)”
Claim · model-written summary
No microbial growth was observed on peach fruits in either packaging material up to 7 days of storage
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Outcome
- microbial growthe5
- Qualifier
- upto 7 dayse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e5“Initially no microbial growth was observed in both the packaging materials upto 7 days”
Claim · model-written summary
Control (T1) had the highest mean microbial count of 4.29 x 104 in PP after 28 days of storage
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- T1 (control)e6
- Outcome
- highest mean microbial counte6
- Value
- 4.29 x 104e6
- Qualifier
- after 28 days of storagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e6“after 28 days of storage highest mean microbial count of 4.29 x 104 and 5.00 x 104 CFU/g were recorded in treatment T1 (control) in PP and LDPE, respectively”
Claim · model-written summary
Control (T1) had the highest mean microbial count of 5.00 x 104 in LDPE after 28 days of storage
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- T1 (control)e6
- Outcome
- highest mean microbial counte6
- Value
- 5.00 x 104e6
- Qualifier
- after 28 days of storagee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e6“after 28 days of storage highest mean microbial count of 4.29 x 104 and 5.00 x 104 CFU/g were recorded in treatment T1 (control) in PP and LDPE, respectively”
Claim · model-written summary
T3 (ethylene absorber + 4 perforations) was rated best for sensory scores among all treatments in both packaging materials
- Taxon
- Prunus persicaPrunus persicae2
- Material
- Shan-e- Punjabe2
- Organ / stage
- fruitse2
- Treatment
- T3 (ethylene absorber + 4 perforations)e7
- Outcome
- sensory scorese7
- Direction
- rated beste7
- Comparator
- all the treatmentse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Peach (Prunus persica L.) fruits of cultivar “Shan-e- Punjab” were harvested at colour break stage”
e7“On the basis of sensory scores T3 (ethylene absorber + 4 perforations) was rated best among all the treatments in both packaging materials”
Claim · model-written summary
Active packaging with T3 (ethylene absorber + 4 perforations) is best suited to retain peach quality and reduce spoilage under refrigerated storage
- Taxon
- peach fruitsPrunus persicae7
- Treatment
- T3 (ethylene absorber + 4 perforations)e7
- Outcome
- best suited active packaginge7
- Setting
- refrigerated conditionse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“Overall, T3 (ethylene absorber + 4 perforations) was best suited active packaging to retain quality as well as reduce the spoilage of peach fruits during storage under refrigerated conditions”
The same questions in other papers
ethene · quality: general · Prunus persica (peach)Results agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.