Abstract
수출용 딸기 "플라멩고" 품종의 수확 후 미생물학적 안전성 확보와 저장성 증대를 위해, 50 ppm 이산화염소수 또는 0.5% 푸마르산 용액과 5 kJ/㎡ UV-C 조사 병합처리에 따른 저장 중 미생물 수 감소 및 품질 변화에 미치는 영향을 조사하였다. 비가열 처리 후, 딸기는 4±1℃에서 12일 동안 저장하면서 실험을 수행하였다. 딸기의 초기 미생물 수에 있어서 대조구와 비교하여, 푸마르산-UV-C 병합 처리구에서 총 호기성 세균과 효모 및 곰팡이를 각각 2.09, 2.02 log CFU/g 감소시켰다. 또한, 저장 12일에 푸마르산과 UV-C 병합 처리구의 효모 및 곰팡이 수는 1.72 log CFU/g으로 대조구의 5.10 log CFU/g과 비교하여 3.38 log CFU/g의 유의적인 차이로 가장 큰 감균 효과를 나타냈다. 비가열 처리구는 대조구와 비교하여 딸기의 저장 중 Hunter 색도 값에 부정적인 영향을 끼치지 않았다. 관능검사에 있어서는 병합 처리구가 대조구와 다른 처리구보다 높은 점수를 얻어 저장 중 관능적 품질유지에도 효과가 있는 것으로 나타났다. 특히, 딸기의 종합적 기호도는 저장 5일부터 두 병합 처리구가 높은 점수를 나타냈다. 따라서 본 연구결과, 50 ppm 이산화염소 또는 0.5% 푸마르산과 UV-C 조사의 병합처리가 수확 후 딸기의 저장ㆍ유통 중에 오염될 수 있는 위해미생물의 감소와 외관적 품질유지에 효과적인 살균 처리기술이라고 판단된다. The combined effect of 50 ppm aqueous chlorine dioxide (ClO₂) or 0.5% fumaric acid with 5 kJ/㎡ ultraviolet-C (UV-C) on the postharvest quality of "Flamengo" strawberries was examined. After non-thermal treatment, the samples were stored at 4±1℃ for 12 days. The combined treatment of fumaric acid/UV-C reduced the initial populations of total aerobic bacteria and yeast and molds in the strawberries by 2.09 and 2.02 log CFU/g, respectively, compared to those of the control. In addition, after 12 days of storage the yeast and molds population in the combined treatment was 1.72 log CFU/g, compared to 5.10 log CFU/g for the control, resulting in a significant decrease of 3.38 log CFU/g. Postharvest treatments used in this study caused negligible changes in the color of the strawberries. Sensory evaluation results indicated that the combined postharvest treatment provided better sensory scores than did the control. In particular, the overall acceptability scores were higher for the combined treatment groups after 5 days of storage. These results suggest that combined treatment of either 50 ppm ClO₂ or 0.5% fumaric acid with 5 kJ/㎡ UV-C can be useful for maintaining the quality of strawberries.
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Claims 7
Claim · model-written summary
Fumaric acid plus UV-C reduced initial aerobic bacteria by 2.09 log CFU/g versus control.
- Taxon
- strawberries
_single2.jpg?width=60)
Fragaria ×ananassae0 - Treatment
- fumaric acid/UV-Ce0
- Outcome
- initial populations of total aerobic bacteriae0
- Direction
- reducede0
- Value
- 2.09e0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“The combined treatment of fumaric acid/UV-C reduced the initial populations of total aerobic bacteria and yeast and molds in the strawberries by 2.09 and 2.02 log CFU/g, respectively, compared to those of the control”
Claim · model-written summary
Fumaric acid plus UV-C reduced initial yeast and molds by 2.02 log CFU/g versus control.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- fumaric acid/UV-Ce0
- Outcome
- yeast and molds in the strawberriese0
- Direction
- reducede0
- Value
- 2.02 log CFU/ge0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The combined treatment of fumaric acid/UV-C reduced the initial populations of total aerobic bacteria and yeast and molds in the strawberries by 2.09 and 2.02 log CFU/g, respectively, compared to those of the control”
Claim · model-written summary
After 12 days, the combined treatment reduced yeast and molds by 3.38 log CFU/g relative to control.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- combined treatmente0
- Outcome
- yeast and molds populatione0
- Direction
- decreasee0
- Value
- 3.38 log CFU/ge0
- Qualifier
- after 12 days of storagee0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after 12 days of storage the yeast and molds population in the combined treatment was 1.72 log CFU/g, compared to 5.10 log CFU/g for the control, resulting in a significant decrease of 3.38 log CFU/g”
t0“Strawberry Fruit”
Claim · model-written summary
The postharvest treatments caused negligible strawberry color change.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- Postharvest treatmentse0
- Outcome
- color of the strawberriese0
- Direction
- negligible changese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Postharvest treatments used in this study caused negligible changes in the color of the strawberries”
Claim · model-written summary
Combined postharvest treatment gave better sensory scores than control.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- combined postharvest treatmente0
- Outcome
- sensory scorese0
- Direction
- bettere0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the combined postharvest treatment provided better sensory scores than did the control”
t0“Strawberry Fruit”
Claim · model-written summary
Combined treatment groups had higher overall acceptability after five days.
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- combined treatment groupse0
- Outcome
- overall acceptability scorese0
- Direction
- highere0
- Qualifier
- after 5 days of storagee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the overall acceptability scores were higher for the combined treatment groups after 5 days of storage”
t0“Strawberry Fruit”
Claim · model-written summary
The authors suggest either chlorine dioxide or fumaric acid with UV-C for maintaining strawberry quality.
- Taxon
- strawberriesFragaria ×ananassae0
- Treatment
- combined treatment of either 50 ppm ClO₂ or 0.5% fumaric acid with 5 kJ/㎡ UV-Ce0
- Outcome
- maintaining the quality of strawberriese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combined treatment of either 50 ppm ClO₂ or 0.5% fumaric acid with 5 kJ/㎡ UV-C can be useful for maintaining the quality of strawberries”
The same questions in other papers
uv · pest · Fragaria x ananassa (strawberry)Positive and negative results
4 papers in the same direction as this paper · 5 in the opposite direction
- negative
- no effect
- no effect
6 papers more in this group
See all 10 papers →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.