음식물 퇴비화에 의한 지역특산물 작황 현황 비교 : 상주지역을 중심으로

박재경 한국폐기물자원순환학회 2012 한국폐기물자원순환학회지 Vol.29 No.4

After reviewing the storability of harvested persimmon fruits by using food-waste compost, it was hard to find an improvement of storability in room temperature, but the hardness of the fruit remained quite long when treated by foodwasted compost and stored in low temperature. So, it is decided that the use of food-waste compost doesn't influence the fruit's storability in room temperature, but it can influence persimmon fruits' physical properties and component significantly in low temperature. The result was shown that there was no differences on composition of persimmon fruits by food-waste compost and maintaining hardness at room temperature, but at low temperature, the composition of persimmon fruits was changed.

Effects of Preharvest and Postharvest 1-Methylcyclopropene Treatments on Fruit Quality Attributes and Cell Wall Metabolism during Short-term Cold Storage in ‘HetsalHaunkeybee’ Peaches

유진기,Seulgi Ryu,Chulho Park,Nay Myo Win,최형우,이진욱,Hae Keun Yun,정희영,Myoung Gun Choung,조영제,강인규 한국원예학회 2019 원예과학기술지 Vol.37 No.5

We evaluated the effects of preharvest 1-methylcyclopropene (1-MCP; HarvistaTM) or postharvest 1-MCP (SmartFreshTM) treatments on the physiological and biochemical responses of fruit quality attributes and enzymatic activities of cell wall hydrolases of ‘HetsalHaunkeybee’ peaches. The fruit were treated with either HarvistaTM via spraying 1 week before the harvest (preharvest treatment), or SmartFreshTM via fumigation immediately after the harvest (postharvest treatment). Then, fruits were stored at 10°C for up to 12 days. Flesh firmness of the fruit was significantly enhanced by postharvest treatment with SmartFreshTM, but not by the preharvest treatment with HarvistaTM. Neither HarvistaTM nor SmartFreshTM altered the soluble solids content, titratable acidity, or the peel color variables during cold storage. However, the SmartFreshTM treatment significantly reduced the enzymatic activities of α-galactosidase, β-galactosidase, β-glucosidase, β-arabinosidase, β-xylosidase, and α-mannosidase during cold storage, compared to the untreated fruit and the HarvistaTM-treated fruit. Overall, the results suggest that postharvest SmartFreshTM treatment should be an effective method for peach fruit storage, and it enhances fruit quality by reducing the enzymatic activities related to cell wall hydrolysis and softening.

수확 전 Aminoethoxyvinylglycine, 수확 전·후 1Methylcyclopropene 처리가 ‘미스홍’ 복숭아의 저온저장 중 과실 품질에 미치는 영향

유진기,박철호,권중근,이동훈,정희영,조영제,강인규 한국원예학회 2020 원예과학기술지 Vol.38 No.3

This study was carried out to investigate the effects of preharvest aminoethoxyvinylglycine (AVG, ReTainⓇ) and sprayable 1methylcyclopropene (1MCP, HarvistaTM) and postharvest 1MCP (SmartFreshTM) treatments on fruit quality in coldstored ‘Misshong’ peaches. Flesh firmness of control fruits was decreased to 2.9 Newton (N) after 3 days of storage. However, a week before harvest (WBH) ReTainⓇ and SmartFreshTM treatments maintained firmness at 7.9 N and 12.0 N for up to 6 days of storage, respectively. Titratable acidity of control fruits was decreased from 0.33% at harvest to 0.21% after 12 days of storage. However, ReTainⓇ and SmartFreshTM treatments maintained acidity at 0.26 and 0.30% until 12 days of storage, respectively. Ethylene production of control fruits was highly increased to 45.4 µL·kg1·h1 after 12 days of storage, while at 1 WBH ReTainⓇ (23.9 µL·kg1·h1) and SmartFreshTM (21.6 µL·kg1·h1) treatments resulted in lower ethylene production than control fruits. Soluble solids content of 1 WBH ReTainⓇ (10.5°Brix) was slightly lower than control fruits (11.0°Brix) at harvest, and fruit weight loss was not affected during the storage progress. Therefore, this study suggested that 1 WBH ReTainⓇ and SmartFreshTM treatments help maintain fruit quality in ‘Misshong’ peaches during cold storage. 본 연구는 수확 전 aminoethoxyvinylglycine(AVG, ReTainⓇ) 및 수체 살포용 1methylcyclopropene(1MCP, HarvistaTM)와 수확 후 훈증용 1MCP(SmartFreshTM) 처리가 ‘미스홍’ 복숭아 과실의 품질과 저장성에 미치는 영향을 구명하고자 실시되었다. 저장 중 과실의 경도 변화는 저장 3일 후부터 과실의 경도가 급격히 감소하여 무처리구의 경우 2.9N으로 감소하였으나, 수확 1주전 ReTainⓇ 처리구와 SmartFreshTM 처리구의 경우 저장 6일 후 경도가 각각 7.9N과 12.0N으로 상품성이 유지될 정도로 높게 유지되었다. 산 함량은 무처리구의 경우 수확 시 0.33%이던 산 함량이 저장 12일후 0.21%로 급격히 감소하였으나, 수확 전 ReTainⓇ과 HarvistaTM 처리구들의 경우 저장 12일 후 0.26 ‑ 0.30%로 무처리구와 비교하여 높게 유지되었다. 에틸렌 발생량은 저장 12일 후 무처리구의 경우 45.4µL·kg1·h1으로 급격히 증가하였으나, 수확 1주 전 ReTainⓇ 처리구와 SmartFreshTM 처리구의 경우 각각 23.9와 21.6µL·kg1·h1으로 낮은 에틸렌 발생량을 보였다. 가용성 고형물 함량은 수확 2주 전 ReTainⓇ 처리구의 경우 수확 시 10.5°Brix로 무처리구 11.0°Brix와 비교하여 다소 낮은 경향을 보였다. 그리고 저장 중 과실 감모율은 증가하였으나 처리 간의 뚜렷한 차이를 보이지 않았다. 결론적으로, 수확 1주 전 ReTainⓇ 처리와 수확 후 SmartFreshTM 처리가 ‘미스홍’ 복숭아 과실의 저장 중 품질 유지에 효과적이었다.

Correlation among Quality Attributes and Storability by Fruit Weight in 'Fuji' Apples

Park, Youn-Moon,Yoon, Tae-Myung,Youn, Seack-Won,Han, Su-Gon,Woo, Young-Jae 安東大學校 農業科學技術硏究所 1999 農業科學技術 硏究論文集 Vol.6 No.-

안동과 영양지역의 '후지' 사과를 공시하여 과실의 품질요인간 상관성 및 과실의 중량과 저장력의 연관성을 분석하였다. 두 과수원 과실에서 공통으로 보여진 유의적인 상관관계는 역의 상관으로써 과중-경도, 과중-착색도, 과중-Hunter 'b'값 간이었고, 착색도-Hunter 'a'값 및 당함량-산함량 사이에서는 정의 상관성이 나타났다. 과중과 당함량 및 과중과 산함량 간에는 두 과수원에서 모두 상관성이 없는 것으로 분석되었다. 한편 과중과 색택 요인간 상관성은 두 과수원에서 상이하게 나타났는데 안동 지역 사과의 경우 과중-착색도는 유의성은 없으나 역의 상관 계수를, 과중-Hunter 'a'는 유의적인 역의 상관성을 보인 반면, 영양지역 사과에서는 과중-착색도 및 과중-Hunter 'a'값간에 유의적인 정의 상관을 보였다. 과실 경도와 당산 함량의 변화 정도로 판단한 저장력과 과중간에는 뚜렷한 상관성이 보이지 않았다. Relationship of fruit weight with other quality parameters and storablity were evaluated in 'Fuji' apples harvested on a commercial harvest date from two orchards located in 'Andong' and 'Youngyang' area. Inter-correlations among quality parameters were also analyzed. Significant correlations observed in both orchards were; nigative relationships between fruit weight and flesh firmness, surface color and Hunter 'b' value, positive relationship between surface color and Hunter 'a' value, and soluble solid content (SSC) and juice acidity. Correlations between fruit weight and SSC or juice acidity were not significant in both orchards. In Contrast. between the two orchards, opposite correlation coefficients were observed in the combination of fruit weight with surface color. The correlation coefficient was negative, although insignificant, in 'Andong' apples, whereas significantly positive in 'Youngyang' apples. Likewise, fruit weight was negatively correlated with Hunter 'a' value in 'Andong' apples, while positively correlated in 'Youngyang' apples. No clear relationship was observed between fruit weight and storability as estimated by changes in flesh firmness and flavor parameters.

‘신고’ 배 과실 품질과 저장성에 미치는 지베렐린 페이스트들의 효과

유진기,송석용,권중근,김대현,NAY MYO WIN,강인규 한국식품저장유통학회 2022 한국식품저장유통학회지 Vol.29 No.5

This study evaluated the effects of four different gibberellin-pastes (GAP) on fruit quality and storability of niitaka pear in 2014 and 2015 consecutive years. Pear fruit stalks were treated with dongbu GA gold, nebaekeo, busa, and GA hyeophwa-pastes at 35 and 37 days after full bloom, respectively. After harvest time, the fruits were stored at 0℃ for up to 180 days. In both years, fruit weight was 6.2-21.3% higher in GAP-treated fruits than the control fruits at harvest. In 2014 year, flesh firmness was higher in control (70.6 N) than the GAP-treated fruits (54.4-64.6 N) at harvest, but it was not different in all treatments in 2015 year. The titratable acidity (TA) at harvest was also higher in control than the GAP treated fruits in 2014 year. The soluble solids content (SSC) at harvest was slightly lower in control than the GAP treated fruits in both years. During cold storage, flesh firmness was decreased in all treatments, whereas the fruits treated with nebaekeo GAP had the lowest flesh firmness (39.4 N) after 135 days of the storage. TA was a slightly higher in control (0.19%) than the GAP-treated fruits (0.14-0.17%) after 180 days of storage. However, SSC was higher in the fruits treated with dongbu GA gold and GA hyeophwa-pastes than the control fruits during storage. Therefore, GAP-treatments increased fruit weight and SSC than control, but flesh firmness and TA of GAP-treated fruits were reduced after 180 days of the storage.

Comparison of Postharvest Quality of Three Hardy Kiwifruit Cultivars during Shelf Life and Cold Storage

Chul-Woo Kim,한나래,박효원,이욱 한국원예학회 2020 원예과학기술지 Vol.38 No.2

This study investigated postharvest fruit quality in ‘Cheongsan’, ‘Daebo’, and ‘Daeseong’ hardykiwifruit cultivars during shelf life and cold storage. Fruits of the cultivars were harvested forcommercial maturity based on soluble solids content. The fresh weight of ‘Daebo’ at harvest wastwo times that of ‘Daeseong’ and ‘Cheongsan’. The harvested hardy kiwifruit generally showed anincrease in soluble solids content, a decrease in firmness, and deterioration of fruit quality as theyripened, regardless of the storage regime. The firmness of ‘Cheongsan’, ‘Daebo’, and ‘Daeseong’was 19.9, 20.5, and 33.9 N at harvest, respectively, and decreased to 5.0 N in ‘Cheongsan’ and‘Daebo’ after 5 days of shelf life. However, ‘Daeseong’ maintained higher firmness than ‘Cheongsan’and ‘Daebo’ over the whole storage period. After 14 days in cold storage, the firmness of ‘Cheongsan’,‘Daebo’, and ‘Daeseong’ was 10.9, 6.5, and 16.6 N, respectively, decreasing to 8.1, 3.7, and 4.0 N,respectively, after 35 days in cold storage. Stored ‘Cheongsan’ was considered unmarketable after3 days of shelf life owing to fruit softening and fungal decay. Cold storage effectively delayed theincidence of decay; however, marketability of ‘Cheongsan’ fruit decreased after 21 days in storagebecause the fruit became shriveled and pitted. The ‘Daeseong’ fruit were still considered marketablefollowing 70 days in cold storage.

저온저장 온도처리가 ‘홍로’ 사과의 저장중 과실품질에 미치는 영향

유진기,이승열,NAY MYO WIN,권순일,정희영,조영제,강인규 한국식품저장유통학회 2018 한국식품저장유통학회지 Vol.25 No.7

This study was conducted to elucidate the effects of different storage temperatures on fruit quality attributes and storage disorders in cold-stored 'Hongro' apples. 'Hongro' apples were harvested from two different regions-Mungyeong, Gyeongsangbukdo, and Geochang, Gyeongsangnamdo, -and then stored for 4 months at 0℃ and/or 4℃, respectively. Fruit firmness and titratable acidity of ‘Hongro’ apples were decreased during cold storage but there were no significant differences between storage temperatures. Moreover, storage at different temperatures did not influence the soluble solids content of ‘Hongro’ apples from the two regions during cold storage. However, the internal ethylene concentration of ‘Hongro’ apple was increased at 4℃ relative to that at 0℃, regardless of the harvested regions. In addition, the greasiness (wax) index of fruit in both regions increased at 4℃, compared with at 0℃. The incidence of fruit peel disorder was higher at 0℃ (8.1-9.4%), than at 4℃ (1.3-4.7%) after 4 months of storage. Moreover, the four pathogens isolated from the symptomatic fruit peel were identified as Penicillium sp., Alternaria sp., Phoma sp., and Botryosphaeria dothidea. Therefore, to more effectively suppress fruit peel disorder, it is more effective to store ‘Hongro’ apple at 4℃ rather than at 0℃.

노지감귤 단기 저장가능성에 대한 경제적 효과 검토

안경아(Kyeong Ah Ahn),문태완(Tae Wan Moon),김배성(Bae Sung Kim) 한국산학기술학회 2018 한국산학기술학회논문지 Vol.19 No.8

제주지역에서 대부분 생산되는 감귤류는 재배방식에 따라 노지에서 재배되는 온주감귤, 시설하우스에서 재배되는 온주감귤, 노지이지만 비가림 시설을 해서 재배되는 온주감귤 그리고 노지 온주감귤 보다 재배 시기가 늦고 품종도 다른 한라봉, 천혜향, 진지향 등 만감류로 구분된다. 만감류는 온주감귤 보다 맛 등 품질이 좋아 소비량이 꾸준히 증대되어 ’90년 이후 최근까지 재배면적과 생산량이 지속해서 늘어나고 있고, 비가림 감귤 재배도 정부의 정책적 지원과 더불어 당도개선등 품질향상 효과가 있어 지속해서 늘어나고 있다. 그러나 이에 반해 2010년 이후 노지 감귤의 재배면적은 지속해서 감소하고 있다. 이 연구는 감귤류 중 생산비중이 높지만 지속해서 재배면적이 줄고 있는 노지 감귤을 연구의 대상으로 삼고, 특히 수급 안정에 핵심적인 역할을 할 수 있을 것으로 파악되는 저장부문의 수급안정 기여 가능성을 탐색하는데 초점을 두고 있다. 노지감귤 중장기 수급모형 추정 및 전망을 위해 노지감귤 개별 품목에 대한 부분균형모형을 구축하고 품목별 모형내 개별방정식은 계량경제학 방법을 이용하여 추정하였다. 생산량 저장 시나리오 분석 결과, 재배면적은 2027년 기준 감귤 생산량을 5% 저장했을 때 14.49ha, 10%인 경우 14.97ha, 15%인 경우 15.50ha에 이를 것으로 분석된다. 이 연구는 현재 산지에서 저장에 초점을 두고 있지 않은 상황에서 저장가능성에 대한 종합적인 기술적 및 경제적인 검토를 하고 있다는 데 선행연구들과 차별성이 있다. Citrus fruits can be classified as field citrus, greenhouse citrus, citrus produced by rain proof cultivation and late-harvested citrus such as Hallabong, Chunhaehyang, and Jinjihyang according to cultivation method or variety in Jeju province of Korea. The consumption of late-harvested citrus has been increasing steadily since 1990 because the sugar content of the fruits is ordinary higher than field citrus. The cultivation land of citrus produced by rain proof cultivation has been also enlarged continuously aided by Korean government support program and quality increasing effect of this cultivation method. However, the cultivation land of field citrus has been decreasing since 2010. In spite of such a decrease of cultivation land, recently the price of field citrus rather declined according to increasing of yield per 10a. For the estimation and forecast of the long-term supply-demand model in the field citrus, we constructed a partial balance model for the individual field citrus and estimated individual equation in each item’s model by using the econometric method. As a result of the production storage scenario analysis, the cultivation area is expected to store 5%(14.49ha), 10%(14.97ha). 15%(15.50ha) of citrus production in 2027. This study reviews the structure of storage, and storability in Jeju field citrus and suggest several policy implications.

저장방법에 따른 복숭아 ‘홍금향’의 품질 및 상관관계

박천완,최동수,김용훈,김진세,김승희,곽용범,송주희 한국국제농업개발학회 2022 韓國國際農業開發學會誌 Vol.34 No.4

This study investigated the changes in fruit quality characteristics and how they correlated with the storage conditions and storage period. The firmness of peaches stored in cold storage decreased rapidly after 14 days (13.0 N), but the firmness of peaches stored in CA storage remained high for 28 days (20.9 N). The titratable acidity of peaches stored in cold storage decreased rapidly from 0.23 to 0.26% after 21 days, but there was no change until 7 days for peaches stored in CA storage, and then it decreased to 0.23% after 28 days. The soluble solid content increased significantly as the storage period elapsed under cold storage, but there was no notable difference for CA storage. After 28 days of storage, the weight loss rate of peaches stored in CA storage(8%) was lower than peaches stored in cold storage(23%). The was significant background color for peaches stored in cold storage after 7 days, and changed to a completely different color after 28 days of storage. As for the correlation between the quality characteristics of peach fruits stored at low temperatures, weight loss rate, sunny side ΔE value, background color lightness, background color redness, and ΔE value showed high correlations, and CA storage showed high correlations with weight loss rate and coloration. In conclusion, according to our study results, 'Kunika' peaches can be stored for 14 days in low-temperature storage and up to 28 days in CA storage, and it is thought that the weight loss rate, firmness, and coloration during storage can be used as factors for quality prediction. 본 연구는 복숭아 ‘홍금향’품종에서 저장조건과 저장기간에따른 과실 품질특성 변화와 이들의 상관관계를 분석하여 품질예측을 위한 기초자료로 활용하고자 수행하였다. 저장방법에 따른 경도는 저온 저장은 저장 7일 후부터 감소하기 시작하였으나, CA 저장은 저장 28일 동안 높게 유지되었다(20.9N). 산 함량은 저온 저장의 경우 저장 21일 후0.23~0.26%로 급격히 감소하였으나, CA 저장의 경우 저장 7 일까지 변화가 없었고 저장 28일 후에 0.23%로 감소되었다. 가용성 고형물 함량은 저온 저장의 경우 저장기간이 경과 할수록 유의한 차이로 증가하였으나, CA 저장은 저장기간에 따라 유의한 차이가 나타나지 않았다. 감모율은 두 저장방법 모두 저장 일수가 경과함에 따라 점차 증가하였으나 저장 28일후 CA 저장 감모율은 8% 수준으로 저온 저장(13%)에 비해낮았다. 착색도는 저온 저장은 저장 7일 후부터 바탕색이 현저히 차이가 나기 시작하여 저장 28일 후에는 전혀 다른 색으로 변하여 상품성이 떨어졌다. 저장방법에 따른 복숭아 과실품질특성 요인 간 상관관계는 저온 저장은 감모율, 양광면 ∆E 값, 바탕색 명도, 바탕색 적색도 그리고 ∆E 값 간에 높은 상관관계를 나타내었고, CA 저장은 감모율과 착색도 간에 높은상관관계를 나타났다. 복숭아 ‘홍금향’는 14일 정도 저온 저장이 가능하며 CA 저장으로 28일까지 저장기한이 연장됨을 확인하였으며, 저장 중감모율, 경도, 착색도가 품질예측을 위한 요인으로 활용될 수있을 것으로 판단된다.