揭示了来自中国不同地区的干燥Zanthoxylum bungeanum maxim的风味和质量变化
Food chemistry: X
|January 6, 2025
概括
干燥Zanthoxylum bungeanum Maxim (DZM),一个流行的香料,显示出根据来源显著的质量差异. 毛西安和济阳DZM提供优越的香味和尖性,安全属性也因地区而异.
科学领域:
- 食品科学 食品科学 食品科学
- 农业科学 农业科学
- 分析化学 分析化学
背景情况:
- 干燥的Zanthoxylum bungeanum Maxim (DZM) 是一种关键的香料,其质量变化会影响其市场价值.
- 味道和质量属性对于DZM产品的差异化和应用至关重要.
研究的目的:
- 评估来自不同来源的DZM的风味和质量.
- 根据地理来源评估DZM的物理,化学和安全属性.
- 了解原产地和加工对DZM特征的影响.
主要方法:
- 对外观和颜色的物理评估.
- 化学分析使用高性能液体染色学 (HPLC) 对性化合物进行化学分析.
- 气色谱-质谱 (GC-MS) 用于挥发性化合物的识别.
- 微生物和重金属测试用于安全评估.
主要成果:
- 在不同的DZM来源中观察到香味,尖度和外观的显著变化.
- 颜色分析区分了绿色和红色的DZM品种.
- 在毛西安和乌杜的样本中,HPLC证实了高度水平.
- GC-MS确定了173种挥发性化合物,其中林纳醇和d-limonene占主导地位.
- 在特定区域的DZM样本中发现微生物污染最小,重金属含量低.
结论:
- DZM的质量受到地理来源和加工方法的强烈影响.
- 来自毛西安和晋阳的样本显示出优越的感官和化学特征.
- 特定的来源表明,在微生物和重金属污染方面,安全性更好.
- 调查结果有助于选择高质量的DZM,并确保食品安全.
相关概念视频
01:15Seasoning of Wood
68
Seasoning of wood is a crucial process aimed at reducing and stabilizing the moisture content within the wood to prevent future shrinkage, structural damage, or aesthetic issues once the wood is used in construction. Wood naturally swells when it absorbs moisture and contracts as it dries.
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
68
01:15Brick Durability, Strength, and Appearance
108
Brick durability, strength, and appearance are crucial factors in construction, influencing the choice of bricks for specific applications. The process of freeze-thaw, for instance, significantly affects brick durability. This phenomenon occurs when water absorbed by a brick expands as it freezes, potentially causing damage when it melts and refreezes. Bricks are graded for durability: SW-grade bricks are the most durable, offering high strength and low water absorption, followed by MW-grade...
108
01:58Fruit Development, Structure, and Function
21.8K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
21.8K