Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Evaluation of Quality and Analysis of Hazard Management at Different Seasons of Lettuce

계절별 수확적기 양상추의 품질평가 및 위해요소 분석

  • Published : 2007.07.30
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Abstract

Quality evaluation and hazard management of lettuce (Lactuca sativa L.) which was prepared within the harvesting seasons were analyzed. Eatable weight was highest in the summer (953.40 g)>spring (912.27 g)>fall (895.28 g) lettuce, but sugar content showed the highest concentration in the spring. Total color of summer lettuce was the brightest in comparison with other seasons. Fall lettuce's color increased in yellowness more than greenness. Minerals of lettuce were abundant in the following order of K>Ca>Na>Mg>Fe in all seasons. Chlorophyll content, showing the similar trend to vitamin C, was the lowest in summer. Among the 48 different pesticides tested, only chlorthalonil was detected in a minute content from fall lettuce. In conclusion, summer lettuce was inferior to spring and fall in quality because of hot weather.

양상추의 계절별(봄, 여름, 가을) 품질 차이 여부를 알아보기 위하여 일반성분, 색차, 클로로필, vitamin C 및 조직감을 측정하였으며 또한 양상추의 위해요소를 알아보기 위하여 48종의 잔류 농약을 측정하였다. 가식부 중량은 여름(953.40 g)>봄(912.27 g)>가을(895.28 g)에 수확한 양상추 순으로 나타났지만 당도는 봄에 수거한 시료가 가장 높게 측정되었다. 전체적인 색은 여름 양상추가 가장 밝은 색을 나타내었고, 다른 계절과 비교하여 가을 양상추는 노란 빛이 뚜렷하고 녹색 빛은 적은 것으로 나타났다. 무기질 함량은 가을에 수거된 시료에 가장 많이 함유되어 있었으며 또한 계절에 관계 없이 전체적으로는 칼륨 함량이 다른 무기성분에 비해 전체적으로 높게 측정되었다. 시료의 항산화능을 유추할 수 있는 chlorophyll과 vitamin C는 봄, 가을에 수거한 시료가 여름에 수거한 시료보다 높게 측정되어 전반적으로 여름에 수거한 양상추가 중량은 크지만 품질 면에서는 약간 떨어진 것으로 판단되어진다. 또한 계절별 양상추에서 검출되어진 잔류 농약은 chlorthalonil이었지만 그 양은 매우 미미하다고 판단되어진다.

Keywords

References

  1. Oh CG. 1996. Food composition table. 5th revision. National Rural Living Science Institutes, R.D.A
  2. Peter R, Wim V, Frank D, Johan D. 2004. Consumer perception and choice of minimally processed vegetables and packaged fruits. Food Quality and Preference 15: 259-270 https://doi.org/10.1016/S0950-3293(03)00066-1
  3. Shim ST, Kim KJ, Kyung KH. 1990. Effect of soluble contents of chinese cabbage on kimchi fermentation. Korean J Food Sci Technol 22: 278-284
  4. Bolin HR, Huxsoll CC. 1991. Effect of preparation procedures and storage parameters on quality retention of salad-cut lettuce. J Food Sci 56: 60-67 https://doi.org/10.1111/j.1365-2621.1991.tb07975.x
  5. Larry RB, Robert EB. 1990. Survival and growth of Listeria monocytogenes on lettuce as influenced by shredding, chlorine treatment, modified atmosphere packaging and temperature. J Food Sci 55: 755-758 https://doi.org/10.1111/j.1365-2621.1990.tb05222.x
  6. Shankargouda P, Chikkasubbanna V, Narayana JV. 1989. Effect of preharvest sprays of triacontanol on the storage life of lettuce. J Food Sci Technol 26: 156-157
  7. Aharoni N, Yehoshua SB. 1973. Delaying deterioration of Romain lettuce in polyethylene packages. J Am Soc Hort Sci 98: 464-468
  8. The Korean Association of Food Industry. 1998. Food Code. p 637-643
  9. AOAC. 1993. Methods of Analysis for Nutrition Labeling. Sullivan DM, Carpenter DE, eds. Association of Official Analytical Chemists, International Virginia
  10. AOAC. 1990. Official Methods of Analysis. 15th ed. Association of Official Analytical Chemists, Washington, DC
  11. Kim MR, Kim JH, Wi DS, Na JH, Sok DE. 1999. Volatile sulfur compounds, proximate components, minerals, vitamin C content and sensory characteristics of the juices of kale and broccoli leaves. J Korean Soc Food Sci Nutr 28: 1201-1207
  12. Mascio PD, Murphy ME, Sies H. 1991. Antioxidant defense systems: the role of carotenoids, tocopherols, and thiols. Am J Clin Nutr 53: 194-200 https://doi.org/10.1093/ajcn/53.1.194S
  13. Tanielian C, Wolff C. 1988. Mechanism of physical quenching of singlet molecular oxygen by chlorophylls and related compounds by biological interest. Photochem Photobiol 48: 277-280 https://doi.org/10.1111/j.1751-1097.1988.tb02821.x
  14. Endo Y, Usuki R, Kaneda T. 1985. Antioxidant effects of chlorophyll and pheophytin on the antioxidation action of chlorophyll. J Am Oil Chem Soc 62: 1376-1390 https://doi.org/10.1007/BF02545965
  15. Yang YJ, Park KW, Jeong JC. 1991. The influence of pre- and post-harvest factors on the shelf-life and quality of leaf lettuce. Korean J Food Sci Technol 23: 133-140
  16. Hancok AB. 1988. Vitamin C and cancer. Prog Clin Biol Res 259: 307-313
  17. Lee MG, Lee SR. 1995. Assessment of oncogenicity from pesticide residues in Korean foods. Korean J Food Sci Technol 27: 871-877
  18. Kim YG, Lim TG, Park SS, Ho NC, Hong SS. 2000. A study on residual pesticides in commercial fruits & vegetables. Korean J Food Sci Technol 32: 763-771
  19. Hirohiko Y, Hiroshi S, Takaki S, Fumio K, Nobuyoshi M, Shunji H. 1993. Safety assessment for agricultural chemicals: recent progress and prospect. J Nippon Food Hygiene 34: 95-113 https://doi.org/10.3358/shokueishi.34.95

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