xanthophyl

简明释义

英[/ˌzænθəˈfɪl/]美[/ˌzænθəˈfɪl/]

n. 黄色色素；叶黄素

英英释义

单词用法

同义词

反义词

例句

1.Green vegetables: the green cauliflower includes the rich xanthophyl, is the important oxidation inhibitor.

绿色蔬菜：绿花椰菜含有丰富的叶黄素，是重要的抗氧化剂。

2.Green vegetables: the green cauliflower includes the rich xanthophyl, is the important oxidation inhibitor.

绿色蔬菜：绿花椰菜含有丰富的叶黄素，是重要的抗氧化剂。

3.Certain algae contain high levels of xanthophyl 叶黄素, contributing to their vibrant colors.

某些藻类含有高水平的xanthophyl 叶黄素，使它们呈现出鲜艳的颜色。

4.The study of xanthophyl 叶黄素 is important for understanding plant pigmentation.

研究xanthophyl 叶黄素 对于理解植物色素非常重要。

5.Research has shown that xanthophyl 叶黄素 can help protect the eyes from harmful light.

研究表明，xanthophyl 叶黄素 可以帮助保护眼睛免受有害光线的伤害。

6.The yellow color of autumn leaves is largely due to the presence of xanthophyl 叶黄素.

秋天树叶的黄色主要是由于存在xanthophyl 叶黄素。

7.In photosynthesis, xanthophyl 叶黄素 plays a crucial role in capturing light energy.

在光合作用中，xanthophyl 叶黄素 在捕捉光能方面起着至关重要的作用。

作文

In the fascinating world of botany and plant biology, one term that often comes up is xanthophyl. This word refers to a type of pigment found in plants, particularly in the chloroplasts of leaves. The significance of xanthophyl lies in its role in photosynthesis and its contribution to the vibrant colors we see in nature. While many people are familiar with chlorophyll, the green pigment responsible for capturing sunlight, xanthophyl plays a complementary role in this process. It absorbs light in the blue and violet spectrum, which chlorophyll does not effectively capture. This ability allows plants to utilize a broader range of sunlight for energy production.Furthermore, xanthophyl is crucial for protecting plants from the harmful effects of excessive light. During intense sunlight, plants can suffer from photoinhibition, where too much light can damage their photosynthetic machinery. Here, xanthophyl acts as a protective agent, dissipating excess energy as heat and preventing damage. This function highlights the importance of xanthophyl not only in energy absorption but also in safeguarding plant health.The presence of xanthophyl is also responsible for the beautiful autumn colors we admire in deciduous trees. As chlorophyll breaks down in the fall, xanthophyl becomes more visible, showcasing shades of yellow and gold. This transformation is not just aesthetically pleasing; it is an essential part of the plant's life cycle, allowing it to conserve energy and resources during the colder months.Moreover, xanthophyl is not limited to just one type of plant. It can be found in various species, including those in the daisy family and certain algae. Its widespread presence indicates its fundamental role in the ecosystem. By understanding xanthophyl, we gain insights into how different plant species adapt to their environments and optimize their growth.In addition to its ecological significance, xanthophyl has implications for human health. Certain foods rich in xanthophyl, such as spinach, kale, and other leafy greens, are known for their antioxidant properties. These antioxidants help combat oxidative stress in the body, reducing the risk of chronic diseases. Therefore, incorporating foods high in xanthophyl into our diets can contribute to better health and well-being.In conclusion, the term xanthophyl encompasses much more than just a pigment; it represents a vital component of plant biology and ecology. From enhancing photosynthesis to providing protection against light damage, xanthophyl plays a multifaceted role in the life of plants. Additionally, its presence in our diet underscores the interconnectedness of plant health and human well-being. As we continue to explore the complexities of plant life, understanding terms like xanthophyl helps us appreciate the intricate relationships within ecosystems and the importance of preserving biodiversity.

在植物学和植物生物学的迷人世界中，一个常常出现的术语是xanthophyl。这个词指的是一种存在于植物中的色素，特别是在叶子的叶绿体中。xanthophyl的重要性在于它在光合作用中的作用，以及它对我们在自然界中看到的鲜艳颜色的贡献。虽然许多人熟悉叶绿素，这种绿色色素负责捕捉阳光，但xanthophyl在这一过程中起到了互补的作用。它吸收蓝色和紫色光谱的光线，而叶绿素无法有效捕获。这种能力使植物能够利用更广泛的阳光进行能量生产。此外，xanthophyl对于保护植物免受过量光线的有害影响至关重要。在强烈的阳光下，植物可能会遭受光抑制，即过多的光线可能损害它们的光合作用机制。在这里，xanthophyl作为一种保护剂，通过将多余的能量以热量的形式散发出来，防止损害。这个功能突显了xanthophyl在能量吸收和保护植物健康方面的重要性。xanthophyl的存在也负责我们在落叶树木中欣赏到的美丽秋季色彩。当叶绿素在秋天分解时，xanthophyl变得更加明显，展示出黄色和金色的色调。这种转变不仅令人赏心悦目；它是植物生命周期的重要组成部分，使植物能够在寒冷的月份节省能量和资源。此外，xanthophyl并不限于某一种植物。它可以在各种物种中找到，包括菊科植物和某些藻类。它的广泛存在表明了它在生态系统中的基本作用。通过理解xanthophyl，我们可以深入了解不同植物物种如何适应其环境并优化其生长。除了生态意义外，xanthophyl对人类健康也有影响。某些富含xanthophyl的食物，如菠菜、羽衣甘蓝和其他绿叶蔬菜，因其抗氧化特性而闻名。这些抗氧化剂有助于对抗体内的氧化压力，降低慢性疾病的风险。因此，将富含xanthophyl的食物纳入我们的饮食中可以促进更好的健康和福祉。总之，术语xanthophyl不仅仅是一个色素，它代表了植物生物学和生态学的一个重要组成部分。从增强光合作用到提供对光损伤的保护，xanthophyl在植物的生活中扮演着多方面的角色。此外，它在我们饮食中的存在强调了植物健康与人类福祉之间的相互联系。随着我们继续探索植物生命的复杂性，理解像xanthophyl这样的术语帮助我们欣赏生态系统内的复杂关系以及保护生物多样性的重要性。