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신계통 무핵포도의 MA 저장시 포장재가 호흡, 영양성분 및 저장성에 미치는 영향
정천순 ( Cheon Soon Jeong ),박종남 ( Jong Nam Park ),신범섭 ( Shin Bum Sub ),박성민 ( Song Min Park ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2010 강원 농업생명환경연구 Vol.22 No.-
grapes, `AK8609` and black ones, ‘KB0120’ were as follows. The O2 content within the packaging material was kept at 17.0% in 30㎛LDPE treatment for both ‘AK8609’ and ‘KB0120’. The thicker the MA packaging material, the lower the amount of O2 and CO2 content within the packaging material increased as the LDPE packaging thickness decreased. There were no noticeable difference in soluble solid content, titratable acid, and ascorbic acid content among packaging treatments. However, titratable acid sharply decreased after 30 days of storage. Weight loss appeared differently between species and decreased as the thickness of the packaging material increased. In case of abnormal fruit, the blue grapes, `AK8609` showed striking difference at 30th day of storage, while the black ones at 60th day of storage as a basis of 20%. Sensory evaluation result Additional key word : Respiration, abnormal fruit, weight loss, soluble solid content, titratable acid showed that the blue grapes, ‘AK8609’ kept their quality up to 30 days while black ones, ‘KB0120’ 60 days. There was somewhat different effect in the 70㎛LDPE treatment and more noticeable effect between species.