Influence of controlled atmosphere storage on surface color and nutritional qualities of hemerocallis citrina baroni
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摘要: 为研究气调贮藏对金针菜色泽和营养品质的影响,在温度（0±1）℃和相对湿度（95%98%）下,调节贮藏环境中O2比例为5%±0.1%,CO2比例分别为4%±0.1%、7%±0.1%、10%±0.1%,对金针菜进行不同时间贮藏。结果表明:适宜的气调环境能够抑制叶绿素的降解,延缓营养物质的损耗速率。在整个贮藏周期内,与空气对照相比,O2为5%±0.1%时,CO2为（7%±0.1%）10%±0.1%的气调贮藏环境对金针菜的叶绿素总量、VC含量、可溶性蛋白含量的影响差异显著（p<0.05）;对金针菜的b*值、类胡萝卜素含量、可溶性糖含量的影响差异不显著（p>0.05）。对于a*值,气调组在贮藏后期显著（p<0.05）高于空气对照组。Abstract: The influences of controlled atmosphere storage on surface color and nutritional qualities of hemerocallis citrina baroni were studied, the ratio of oxygen and carbon dioxide was regulated to 5% ± 0.1% and 4% ± 0.1% 、7% ± 0.1% 、10% ±0.1%, respectively.The hemerocallis citrina baroni was stored at different time and the storage temperature was ( 0 ± 1) ℃ and the relative humidity was 95% ~ 98%.The results showed: the degradation of chlorophyll was inhibited and the loss rate of nutrients was delayed at suitable controlled atmosphere environment.Compared to air environment, the significant differences were found at the total chlorophyll content, VCcontent, soluble protein content.The slight differences were found at the b*value, carotenoid content, soluble sugar content when the ratio of oxygen was 5% ± 0.1% and the ratio of carbon dioxide was ( 7% ± 0.1%) ( 10% ± 0.1%) of the whole storage period.The controlled atmosphere group was significantly higher ( p <0.05) than the air control group at later storage period for the a*value.
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