温度与时间对玉米肽美拉德产物风味特性的影响
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(江南大学 食品学院,江苏 无锡 214122)

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Effect of Temperature and Time on Flavor Characteristics of Corn Peptides Maillard Reaction Products
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(School of Food Science and Technology, Jiangnan University, Wuxi 214122, China)

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    摘要:

    基于玉米肽-木糖-半胱氨酸体系,剖析了温度和时间与美拉德反应产物风味轮廓及物质组成的关系。结果表明,随着温度的升高(100~140 ℃)和时间(60~180 min)的延长,美拉德反应产物的肉香味、醇厚味、持续性和焦香味均不断增强,但整体接受性感官评分呈现先增后减的趋势,于120~130 ℃反应120~150 min感官接受度较高。温度的升高促进体系向着降解方向进行,呈味氨基酸、关键挥发性风味成分的种类及质量分数均随温度和时间的增加而增多。基于偏最小二乘回归分析,明确了不同感官特性的相关贡献成分,呋喃类化合物、含硫化合物以及酮类化合物与肉香味显著正相关,呋喃类化合物对焦香味产生了显著的影响,相对分子质量<1 000肽段对醇厚味和持续性具有重要贡献,异味主要来源于含硫化合物。该研究可为不同风味特性玉米肽美拉德反应产物的定向制备提供指导。

    Abstract:

    Based on the system of corn peptides-xylose-cysteine, the relationship between temperature, time and flavor profile and composition of Maillard reaction products was investigated. Results showed that with the increase of temperature(100~140 ℃) and the expansion of time (60~180 min), the meaty flavor, roasted flavor, mouthful taste and flavor persistence of Maillard reaction products increased continuously. But the overall acceptability increased at first and then decreased, the score of 120~150 min was higher at 120~130 ℃. The increase of temperature promoted the reaction toward degradation, and the types and contents of flavor amino acids and key volatile flavor compounds increased with the increase of temperature and time. Based on partial least square regression analysis, the relevant contribution components of different sensory characteristics were clarified. Furan, sulfur and ketone compounds were significantly positively correlated with meaty flavor, furan compounds have a significant effect on the roasted smell, peptides with relative molecular weight less than 1 000 had an important contribution to mouthful taste and flavor persistence, and bad smell mainly came from sulfur-containing compounds. This study can provide guidance for the directional preparation of Maillard reaction products of corn peptides with different flavor characteristics.

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于静洋,周 烨,张晓鸣,夏书芹.温度与时间对玉米肽美拉德产物风味特性的影响[J].食品与生物技术学报,2022,41(4).

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  • 在线发布日期: 2022-04-29
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