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两种高压电场处理形式对绿熟番茄贮藏品质的影响(Effect of Two Types of High Voltage Electric Field Treatments on the Storage Quality of Mature Green Tomato Fruit)
番茄 贮藏品质 静电场 交变电场
2010/12/28
以“朝研219”番茄为试材,研究了200kV/m、2h/d的负高压间歇静电场(简称稳恒电场)和波动场强-200~200kV/m、频率40kHz的交变电场预处理2h(简称交变电场)两种不同处理对绿熟番茄果实适温(13℃)贮藏品质的影响。结果表明:两种高压电场处理均能够显著减轻番茄果实的腐烂指数(P<0.05),电场处理延缓了果实硬度和可溶性糖、果皮叶绿素含量的下降,以及可滴定酸、番茄红素含...
低温气调贮藏下氧气含量对双孢蘑菇品质的影响(Effects of Oxygen Concentration on Storage Quality of Agaricus bisporus under Low Temperature and Controlled Atmosphere Storage)
双孢蘑菇 气调贮藏 氧含量 贮藏品质
2010/5/5
研究了在3℃低温和95%相对湿度的气调条件下,贮藏环境中O2含量对双孢蘑菇采后贮藏品质的影响。结果表明,体积分数为5%的低氧含量能够有效地抑制双孢蘑菇的呼吸强度,并延迟呼吸高峰的出现;随着贮藏环境中O2含量的降低,双孢蘑菇的失重减少、褐变程度降低、软化速度减缓;低氧含量能够使双孢蘑菇保持较高的可溶性固形物含量,延缓其成熟。 The effects of oxygen concentration o...
Effects of Hot Water Immersion on Storage Quality of Fresh Broccoli Heads
broccoli hot water immersion quality storage
2009/3/18
Freshly harvested broccoli heads were immersed for 0, 1, 4 or 8 min into hot water at 45 °C, and then were hydrocooled rapidly for 10 min at 10 °C. Following these treatments, the broccoli were air-dr...
无封装条件下牛奶存放质量电子鼻分析(Storage Quality Analysis of Milk in Non-encapsulation Condition Based on Electronic Nose)
牛奶 无封装 电子鼻 质量分析
2010/4/1
选用气敏传感器阵列动态响应中不同时刻的响应值来表征无封装牛奶测试样本,借助于主成分分析(PCA)、Fisher判别分析(FDA)研究了牛奶开封后不同存放天数的质量变化情况,并给出了最优表征区间。以最优表征区间响应值的平均值为样本的表征值,进行了牛奶质量的PCA、FDA分析。结果表明:无论是利用不同时刻的响应值或是平均值来表征样本,PCA、FDA均能鉴别出牛奶开封后的质量变化情况。因此,用电子鼻分析...
短波紫外线处理对香菇采后品质的影响(Effect of UV-C Treatment on Post-harvest Storage Quality of Shiitake Mushrooms)
香菇 贮藏 短波紫外线 品质
2010/2/26
研究了不同辐能流短波紫外线照射处理对采后香菇在4℃贮藏期间主要生理及品质指标的影响。结果表明:经2.0kJ/m2或4.0kJ/m2的短波紫外线处理后,可以显著抑制香菇硬度和丙二醛(MDA)含量的上升,延缓还原性糖与维生素C的下降并使维生素C含量维持在较高水平,同时促进了类黄酮的次生代谢合成,从而较好地保持香菇的感官品质和营养价值,延长香菇的贮藏保鲜期。这些结果表明,短波紫外线处理对采后香菇的贮藏保...
The New Storage Technology: Effect of Far Infrared Ray (FIR) Ceramic Sheet Package on Storage Quality of Pork Loin
FIR Ceramic Package Storage Quality Pork
2016/4/14
A total of 30 pork loin sections were utilized to evaluate the effects of FIR ceramic sheet in PE and vacuum package on preserving the quality of chilled pork stored at 4 and 0째C. Based on meat...