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Storage characteristics of watermelon before and after removing the T-shaped stalk

수박의 꼭지 제거여부에 따른 저장성

  • Kim, Nak-Ku (Gyeongnam Agricultural Research and Extension Services) ;
  • Chang, Young-Ho (Gyeongnam Agricultural Research and Extension Services) ;
  • Yu, Su-Pil (Haman Agriculture Technology Center) ;
  • Ha, Ki-Jeong (Gyeongnam Agricultural Research and Extension Services) ;
  • Je, Hee-Jeong (Gyeongnam Agricultural Research and Extension Services) ;
  • Hong, Kwang-Pyo (Gyeongnam Agricultural Research and Extension Services) ;
  • Lee, Sang-Dae (Gyeongnam Agricultural Research and Extension Services)
  • Received : 2015.02.02
  • Accepted : 2015.04.10
  • Published : 2015.04.30

Abstract

This study was carried out to compare the storage characteristics of watermelon (Citrullus lanatus) before and after removing the T-shaped stalk. For the investigation of the physiochemical properties of the watermelo, the watermelaon was stored at room temperature and $7^{\circ}C$, respectively. The average weight of the watermelon (7.8 kg) decreased by 0.6~0.7% at $7^{\circ}C$ and by 1.9~2% at room temperature during the storage period of 30 days. The hardness of watermelon reduced from 755 g to 542~549 g at room temperature for 30 days. However, the existence of T-shape stalk did not significantly affect on their weight and hardness. In addition, the pH, total acid content, and inner moisture of the watermelon were not significantly changed during the storage periods while the soluble solid at room temperature was significantly decreased from $11.3^{\circ}Brix$ to $9.3^{\circ}Brix$ after 30 days of storage. The internal redness of the watermelon decreased from 36.7 to 31.7~33.6. The total amount of its free sugar was increased from the original amount (8,133 mg/100 g) and then decreased. However, the stalk did not significantly affect on the amount of total free sugar under the same storage condition, too. Thus, there was no significant difference between the results of leaving the T-shaped stalk and removing it after harvesting the watermelon.

References

  1. KOSTAT (2014) 2013 Crop production statistics. Statistics Korea, Daejeon-si, Korea, p 68-69
  2. RDA (2011) Standard food composition table. Rural Development Administration, Suwon-si, Korea, p 224
  3. Lee WS (1994) Vegetable of Korea. Kyungpook National University Press, p 189-202
  4. Penelope PV, Collins JK, Pair SD, Roberts W (2001) Lycopene content differs among red-fleshed watermelon cultivars. J Sci Food Agr, 81, 983-987 https://doi.org/10.1002/jsfa.880
  5. Park HW, Park JD, Cha HS, Kang CY, An DJ (2002) A study on distribution and packaging status of water melon in domestic markets. J Korea Society of Packaging Sci Tech, 8, 11-14
  6. Lee SM (2010) Pallet system of watermelons. The monthly packaging world, 212, 52-57
  7. Park S, Kang SC (2005) Evaluation of physiological changes in watermelon stalk during storage under various conditions of treatments after harvesting, Korean J Environ Agric, 24, 56-60 https://doi.org/10.5338/KJEA.2005.24.1.056
  8. Eun JS, Han SK, Kang NH, Kim HC, Bae JH (2010) Effects of deep tillage before planting on physicochemical properties of soil, growth and fruit characteristics in cultivation of watermelon under plastic film house. J Environ Sci Int, 19, 130-134
  9. Uhm MJ, Noh JJ, Chon HG, Kwon SW, Song YJ (2012) Application effect of organic fertilizer and chemical fertilizer on the watermelon growth and soil chemical properties in greenhouse. Korean J Environ Agric, 31, 1-8 https://doi.org/10.5338/KJEA.2012.31.1.1
  10. Moon HC, Kim W, Choi MK, Kwon SH, Shin YK, Kim DH, Hwang CY (2011) Biological control of cotton aphid by Aphidius colemani (Hymenoptera: Braconidae) in watermelon greenhouses. Korean J Appl Entomol, 50, 79-82 https://doi.org/10.5656/KSAE.2011.03.0.011
  11. Hong SP, Lim JY, Jeong EJ, Shin DH (2008) Physicochemical properties of watermelon according to cultivars. Korean J Food Preserv, 15, 706-710
  12. Heo DJ, Kim SJ, Choi AR, Park HR, Lee SC (2013) Tyrosinase inhibitory activity and neuronal cell protection of hydrothermal extracts from watermelons. J Korean Soc Food Sci Nutr, 42, 1707-1711 https://doi.org/10.3746/jkfn.2013.42.10.1707
  13. Kang HJ, Kim YS, Han BT, Kim TI, Noh JW, Kim YG, Shin HD (2014) Alternative fungicide spraying for the control of powdery mildew caused by Sphaerotheca fusca on greenhouse watermelon (Citrullus lanatus). Res Plant Dis, 20, 31-36 https://doi.org/10.5423/RPD.2014.20.1.031
  14. Yishan Duan, Kim MA, Kim HS, Jang SH, Kang DS (2014) Screening of antioxidant activity from exocarp of watermelon (Citrullus vulgaris L.). J Env Sci Intern, 23, 1233-1239 https://doi.org/10.5322/JESI.2014.23.7.1233
  15. Park CS, Kim ML (2010) Preparation and characterization of watermelon wine. Korean J Food Preserv, 17, 547-554
  16. NFSMI (2011) Watermelon information sheet. National Food Service Management Institute, The University of Mississippi, MS, USA, p 1-2
  17. MFDS (2014) Food Code. Method 9-1. Ministry of Food and Drug Safety, Cheongju-si, Korea
  18. AOAC (2000) Official Methods of Analysis of AOAC Intl. (17th ed), Vol. II, Method 942.15. Association of Official Analytical Chemists, Gathersburg, Maryland, USA, p 11
  19. Chung MJ, Shin JH, Lee SJ, Hong SK, Kang HJ, Sung NJ (1998) Chemical compounds of wild and cultivated horned rampion, Phyteuma japonicum Miq. Korean J Food Sci Technol, 26, 437-443.
  20. Choi JH, Jang JG, Park KD, Park MH, Oh SK (1981) High performance liquid chromatographic determination of free sugars in Ginseng and its products. Korean J Food Sci Technol, 13, 107-113
  21. NAQS (2014) Agricultural Products Standardization, No. 2081., National Agricultural Products Quality Management Service, Gimcheon-si, Korea
  22. Veazie P, Collins JK (2004) Flesh quality and lycopene stability of fresh-cut watermelon. Postharvest Biol Technol, 31, 159-166 https://doi.org/10.1016/j.postharvbio.2003.08.005
  23. Chisholm DN, Picha DH (1986) Effect of storage temperature on sugar and organic acid contents of watermelon. HortSci, 21, 1031-1033
  24. Hwang TY, Son SM, Lee CY, Moon KD (2001) Quality changes of fresh-cut packaged Fuji apples during storage. Korean J Food Sci Technol, 33, 469-473