aleurone layer

简明释义

糊粉层

英英释义

例句

1.During germination, the enzymes in the aleurone layer 外胚层 activate to break down stored starches.

在发芽过程中，外胚层中的酶会激活以分解储存的淀粉。

2.The aleurone layer 外胚层 of the seed plays a crucial role in nutrient storage.

种子的外胚层在营养储存中起着至关重要的作用。

3.The presence of a healthy aleurone layer 外胚层 is essential for the overall vitality of the seed.

健康的外胚层对种子的整体活力至关重要。

4.When milling flour, the aleurone layer 外胚层 can affect the texture and flavor.

在磨粉时，外胚层会影响面粉的质地和风味。

5.In cereal grains, the aleurone layer 外胚层 contributes to the grain's nutritional value.

在谷物中，外胚层有助于谷物的营养价值。

作文

The structure of grains is a fascinating topic that intertwines biology, nutrition, and agriculture. One of the most critical components of a grain's anatomy is the aleurone layer. The aleurone layer (胚乳层) is a thin layer of cells found just beneath the seed coat, and it plays a significant role in the seed's development and nutrient storage. Understanding the aleurone layer is essential for both scientists and consumers who seek to understand how grains contribute to our diets.Firstly, the aleurone layer serves as a protective barrier for the germ and endosperm of the seed. This layer is rich in proteins, enzymes, and other nutrients, which are crucial for the germination process. When a seed begins to sprout, the aleurone layer activates and starts to produce enzymes that break down stored starches into sugars, providing energy for the growing plant. This enzymatic activity highlights the importance of the aleurone layer in facilitating the transition from dormancy to active growth.Moreover, the nutritional composition of the aleurone layer is noteworthy. It contains high levels of vitamins and minerals, including B vitamins, phosphorus, and magnesium. These nutrients are vital for human health, making whole grains, which retain the aleurone layer, a better dietary choice than refined grains. When grains are milled to produce white flour, much of the aleurone layer is removed, along with its beneficial nutrients. This loss emphasizes the importance of whole grains in a balanced diet, as they provide more fiber and essential nutrients compared to their refined counterparts.In addition to its nutritional benefits, the aleurone layer also plays a role in the flavor and texture of grains. For instance, the presence of the aleurone layer contributes to the nuttiness and richness of whole grain products. Many bakers and chefs prefer using whole grain flours for their unique flavors and textures, which can enhance the overall quality of baked goods. This culinary perspective further underscores the significance of the aleurone layer in food preparation and consumption.Furthermore, the aleurone layer has implications for agricultural practices. Farmers and agronomists are increasingly aware of the importance of maintaining the integrity of the aleurone layer during harvesting and processing. By selecting grain varieties with robust aleurone layers, they can improve the nutritional profile of the crops and promote sustainable farming practices. As consumers become more health-conscious, the demand for whole grains has risen, encouraging farmers to focus on preserving this vital layer.In conclusion, the aleurone layer is an essential component of grains that deserves greater recognition. Its role in seed germination, nutritional value, flavor, and agricultural practices illustrates its multifaceted importance. As we continue to explore the intricate relationships between food, health, and agriculture, understanding the aleurone layer will undoubtedly enhance our appreciation for whole grains and their contributions to our diets. By choosing whole grains that retain the aleurone layer, we not only nourish our bodies but also support sustainable agricultural practices, making informed choices that benefit both our health and the environment.

谷物的结构是一个迷人的话题，涉及生物学、营养学和农业。其中一个最关键的组成部分是胚乳层。胚乳层（aleurone layer）是位于种子外壳下方的一层薄细胞，它在种子的发育和营养储存中起着重要作用。理解胚乳层对科学家和寻求了解谷物如何影响我们饮食的消费者而言都至关重要。首先，胚乳层作为种子胚和胚乳的保护屏障。这一层富含蛋白质、酶和其他营养物质，对于萌芽过程至关重要。当种子开始发芽时，胚乳层会激活并开始产生酶，将储存的淀粉分解为糖，为生长中的植物提供能量。这种酶活性的存在凸显了胚乳层在促进从休眠到主动生长转变中的重要性。此外，胚乳层的营养成分也值得注意。它含有高水平的维生素和矿物质，包括B族维生素、磷和镁。这些营养物质对人类健康至关重要，使得保留胚乳层的全谷物成为比精制谷物更好的饮食选择。当谷物被加工成白面粉时，许多胚乳层被去除，连同其有益的营养成分。这一损失强调了全谷物在均衡饮食中的重要性，因为它们提供比精制谷物更多的纤维和必需营养素。除了营养益处，胚乳层还在谷物的风味和质地中发挥作用。例如，胚乳层的存在为全谷物产品增添了坚果香气和丰富感。许多面包师和厨师更喜欢使用全谷物面粉，因为其独特的风味和质地可以提升烘焙食品的整体质量。这种烹饪视角进一步强调了胚乳层在食品准备和消费中的重要性。此外，胚乳层对农业实践也有影响。农民和农艺师越来越意识到在收获和加工过程中保持胚乳层完整性的重要性。通过选择具有强健胚乳层的谷物品种，他们可以改善作物的营养成分，并促进可持续农业实践。随着消费者对健康的关注增加，对全谷物的需求上升，鼓励农民专注于保护这一重要层。总之，胚乳层是谷物中一个重要的组成部分，值得更大的关注。它在种子萌发、营养价值、风味和农业实践中的作用展示了其多方面的重要性。随着我们继续探索食品、健康和农业之间的复杂关系，理解胚乳层无疑将增强我们对全谷物及其对饮食贡献的欣赏。通过选择保留胚乳层的全谷物，我们不仅滋养我们的身体，还支持可持续农业实践，做出有利于我们健康和环境的明智选择。