STUDY ON MOLDY CONDITIONS OF CORN AND ITS QUALITY CHANGES DURING STORAGE
-
摘要: 将玉米置于1.5 m×0.95 m×1.2 m的模拟仓中，于室温（25～35℃）下储藏，定期观察玉米色泽、气味和发霉情况，并测定脂肪酸值、容重、不完善粒和糊化特性等品质指标。结果表明：水分含量为14%的玉米储藏60 d后，仍呈现玉米固有的色泽、气味和亮度，脂肪酸值略有上升，但在宜存范围；容重由755 g/L降至735 g/L，不完善粒上、中、下层均增多；最终黏度和峰值黏度略有下降，糊化温度基本稳定。最终黏度降低了300 mPa·s，峰值黏度降低了44 mPa·s，回生值下降260 mPa·s，糊化温度在82～84℃之间波动。水分含量为17%的玉米储藏12 d后，上、中层不完善粒多于下层；52 d后，颜色变暗，上层和中层玉米籽粒开始发霉；储藏60 d脂肪酸值已升至90 mg/100 g；容重上层和中层下降幅度基本一致，由715 g/L降至665 g/L，而下层容重下降较少，下降了30 g/L；最终黏度降低480 mPa·s，峰值黏度基本稳定，回生值降低100 mPa·s，糊化温度均在（84±2）℃范围内波动。Abstract: The corn was put into the simulated warehouse (1.5 m×0.95 m×1.2 m) and stored at room temperature (25~35℃).The color,smell and free fatty acid value,bulk density,unsound kernels and gelatinization properties were determined regularly.The results showed that the color,smell and brightness of the corn with 14% moisture content did not change after 60 days storage,and free fatty acid value increased slightly,but it was still in the appropriate range,bulk density decreased from 755 g/L to 735 g/L.The unsound kernels in the upper,middle and lower layers all increased.The final viscosity and peak viscosity decreased slightly,and the gelatinization temperature was stable.The final viscosity reduced by 300 mPa·s,the peak viscosity decreased by 44 mPa·s,and the setback value decreased by 260 mPa·s,the gelatinization temperature fluctuated between 82℃ and 84℃.When the corn with 17% moisture content was stored for 12 days,the unsound kernels of the middle-layer and upper-layer increased more than that of under layer.After 52 days storage,the color of corn darkened,and the corn in the middle and upper-layer began to mold,the free fatty acid value of corn increased to 90 mg/100g after 60 days storage.Additionally,the bulk density reduction of the upper and middle layer was basically the same,falling from 715 g/L to 665 g/L,while the bulk density of the corn in the lower layer decreased by 30 g/L.The final viscosity reduced by 480 mPa·s,peak viscosity was basically stable,the setback value decreased by 100 mPa·s,and the gelatinization temperature fluctuated in a range of (84±2)℃.
-
-
[1] UBHI G S,SADAKA S.Temporal valuation of corn respiration rates using pressure sensors[J].Journal of Stored Products Research,2015(61):39-47.
[2] 陈娟,蔡静平,黄淑霞,等.玉米储藏霉菌活动预测的研究[J].粮油加工,2007(5):91-93. [3] 刘晓莉,蔡静平,黄淑霞,等.粮食吸湿过程中微生物活动与品质变化相关性的研究[J].河南工业大学学报(自然科学版),2006,27(5):33-35. [4] 唐芳,程树峰,伍松陵.玉米储藏主要危害真菌生长规律的研究[J].中国粮油学报,2008,23(5):137-140. [5] PARAGINSKI R T,VANIER N L,MOOMAND K,et al.Characteristics of starch isolated frommaize as a function of grain storage temperature[J].Carbohydrate Polymers,2014(102):88-94.
[6] 李振权,蔡静平,黄淑霞,等.不同生理状态霉菌对储粮品质危害性的研究[J].粮油加工,2007(7):96-98. [7] LEUNG H,BORROMEO E S,BERNARDO M A,et al.Genetic analysis of virulence in the riceblastfungusMagnaporthe grisea[J].Phytopathology,1988,78(9):1227-1233.
[8] JIANG Y,GAO F,XU X L,et al.Changes in the bacterial communities of vacuum-packaged pork during chilled storage analyzed by PCRDGGE[J].Meat Science,2010,86(4):889-895.
[9] 王琳.不同储存温度对玉米脂肪酸值的影响[J].粮油仓储科技通讯,2014(6):45-46. [10] 董光宇,唐守凯,高文迪,等.影响玉米脂肪酸值变化的因素[J].北京农业,2015(14):238. [11] 张玉荣.粮油品质检验与分析[M].北京:中国轻工业出版社,2016:236. [12] 顾金玲,尹国彬,魏春立.玉米容重与杂质的相关性研究[J].粮食与食品工业,2008,15(5):50-51. [13] 车海先,李海玉.玉米容重影响因素浅析[J].粮食与食品工业,2011,18(1):56-61. [14] 张兴梅.玉米、小麦、稻谷不完善粒及稻谷黄粒米检验[J].粮油仓储科技通讯,2012(2):43-45. [15] 黄艳艳,朱丽伟,李军会,等.应用近红外光谱技术快速鉴别玉米杂交种纯度的研究[J].光谱学与光谱分析,2015,31(3):661-664. [16] WNAG S J,LI C L,COPELAND L,et al.Starch retrogradation:a comprehensive review[J].Comprehensive Reviews in Food Science and Food Safety,2015,14(5):568-585.
-
期刊类型引用(13)
1. 刘世昌，赵妍，刘旭光，龚志刚，吕好新. 不同温度对偏高水分玉米储藏品质变化规律的影响. 食品研究与开发. 2024(06): 40-47 . 
百度学术
2. 晏玲玲，王乐涯，欧行畅，李勤，刘仲华，黄建安. 温湿度条件对六堡茶安全贮藏的影响及孢子计数法的应用. 粮油食品科技. 2024(03): 187-194 . 百度学术
3. 周显青，赵金凤，张咚咚，吴琼，胡锋卫，李梦瑶，赵锦琦. 氧化锌纳米颗粒对玉米储藏过程中霉菌区系及其品质的影响. 食品安全质量检测学报. 2023(03): 252-259 . 百度学术
4. 李子豪，林芳，王昌钊，乔蓉霞，李建华，邹阳，李广宁. 超高效液相色谱-四极杆串联离子阱复合质谱法筛查和定量玉米中5种链格孢菌毒素. 食品安全质量检测学报. 2022(12): 3762-3770 . 百度学术
5. 彭田园，高东辉，李明奇，黄揽月，孙颖. 玉米储藏过程中的真菌污染及防控技术研究进展. 现代食品. 2022(12): 134-139 . 百度学术
6. 张敏，高士雅，苏柯瑞，赵金凤，胡锋卫，曹仁杰，张咚咚. 氧化锌纳米颗粒对小麦储藏过程中微生物生长的影响研究. 中国食品添加剂. 2022(08): 1-7 . 百度学术
7. 张先果，江传真，刘兴勇，刘向前，胡正保，胡涛. 高温高湿地区夏季高水分玉米降水方法研究. 粮食储藏. 2022(04): 8-12 . 百度学术
8. 翟晓娜，赵玉强，娄正，师建芳，邵广，谢奇珍，沈瑾. 冀州地区钢网式农户储粮仓玉米果穗仓储试验研究. 粮油食品科技. 2021(05): 197-203 . 百度学术
9. 辛颖，冯梦迪，陈复生. 不同处理方式对玉米胚芽理化品质影响的研究. 河南工业大学学报(自然科学版). 2020(03): 6-11 . 百度学术
10. 苏爽，张二鹏，韩月哲，张榕杰，韩华云，贺静. 玉米中4种交链孢霉毒素的测定方法研究. 河南工业大学学报(自然科学版). 2020(03): 72-77 . 百度学术
11. 王晨光，王殿轩，渠琛玲，迟晓元，刘晓莉. 干燥花生荚果在不同温湿度条件下的水分含量及霉变研究. 河南工业大学学报(自然科学版). 2020(03): 94-99 . 百度学术
12. 李红燕，李璐璐，王永宏，赵如浪，张文杰，明博，王克如，谢瑞芝，侯鹏，张万旭，刘万茂，薛军，李少昆. 玉米果穗不同部位子粒水分动态差异研究. 玉米科学. 2020(05): 102-109 . 百度学术
13. 陈玉峰，汪福友，王红亮，郭续，刘胜强. 玉米储藏研究进展. 粮食科技与经济. 2020(10): 62-65 . 百度学术
其他类型引用(10)
计量
- 文章访问数: 102
- HTML全文浏览量: 7
- PDF下载量: 35
- 被引次数: 23
下载:
