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오디의 숙도에 따른 품질특성 및 유통 중 품질변화 KCI 등재 SCOPUS

Quality characteristics and changes in mulberry (Morus alba L.) depending on their maturity during distribution

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한국식품저장유통학회 (The Korean Society of Food Preservation)
초록

To determine the appropriate harvest maturity of mulberry to prolong the freshness during distribution, mulberries were classified into three groups (80%, 90%, and 100%) based on their degree of maturity and then compared for their firmness, color, anthocyanin, soluble solids content, pH, titratable acidity, viable cell, mold and sensory quality. They were then investigated for quality changes by maturity under different distribution temperature at 20℃, 10℃ and 0℃. Immediately after harvest, the 80% matured mulberries were shown to be the firmest and 1.74 and 2.64 times firmer than 90% and 100% matured mulberries respectively. The more mature the mulberries were the lower the “a” value was while anthocyanin content was higher. The soluble solids content and pH of mulberries increased as they matured. Less mature the mulberries were the higher titratable acidity was and lower microbial levels in mulberries were. In terms of sensory quality, color of the 100% matured mulberries was the highest but the 90% matured mulberries were most preferred based on other sensory indexes. In comparison to storability of mulberries by maturity, although the firmness of the 80% matured mulberry decreased rapidly, they were the firmest during distribution periods. The level of mold of the 100% matured mulberries was higher than others. Moreover, the more mature mulberries were the quicker they deteriorated. According to quality indexes, depending on maturity and sensory evaluation of mulberry distributed at different temperatures, the storability of the 80 and 90% matured mulberries were higher than that of the 100% matured mulberries. In conclusion, judging by their sensory quality, the 90% matured mulberries were more appropriate for harvesting than the 80% matured mulberries.

저자
  • 박주현(한국식품연구원) | Ju-Hyun Park
  • 홍석인(한국식품연구원) | Seok-In Hong
  • 정문철(한국식품연구원) | Moon-Cheol Jeong
  • 김동만(한국식품연구원) | Dongman Kim Corresponding author