calciferol

简明释义

英[kælˈsɪfərɒl]美[kælˈsɪfəˌroʊl]

n. [生化]钙化醇；维生素 D2

英英释义

单词用法

同义词

反义词

例句

1.Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.

维生素D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。

2.Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.

维生素D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。

3.Vitamin D, or calciferol, is another fat-soluble steroid vitamin that functions to stimulate calcium uptake from the gut and its deposition in bone.

维生素D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进肠道吸收钙并强化骨骼。

4.In some regions, the lack of sunlight can lead to a deficiency in calciferol.

在某些地区，缺乏阳光可能导致钙化醇缺乏。

5.Doctors recommend checking calciferol levels in patients with osteoporosis.

医生建议检查患有骨质疏松症患者的钙化醇水平。

6.A diet low in calciferol can lead to various health issues.

低钙化醇饮食可能导致各种健康问题。

7.Many people take supplements containing calciferol to support their bone health.

许多人服用含有钙化醇的补充剂以支持他们的骨骼健康。

8.Foods rich in vitamin D are important as they contain calciferol.

富含维生素D的食物很重要，因为它们含有钙化醇。

作文

The human body requires a variety of nutrients to function optimally, and one of the most important among them is vitamin D. This essential vitamin plays a critical role in maintaining bone health, supporting the immune system, and regulating calcium levels in the blood. A key form of vitamin D is known as calciferol, which is produced in the skin when exposed to sunlight. The term calciferol refers to both vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol), both of which are vital for human health. Vitamin D deficiency has become a widespread issue in many parts of the world, particularly in regions with limited sunlight exposure during certain seasons. This deficiency can lead to various health problems, such as rickets in children and osteomalacia in adults, conditions characterized by weakened bones and increased risk of fractures. To combat these issues, many health professionals recommend increasing the intake of foods rich in vitamin D or taking supplements that contain calciferol. Foods that are high in calciferol include fatty fish like salmon, mackerel, and sardines, as well as fortified dairy products and cereals. However, dietary sources alone may not provide sufficient amounts of this crucial nutrient, especially for individuals who have limited sun exposure. Therefore, understanding the importance of calciferol and its role in our overall health is essential. Moreover, the process of converting sunlight into calciferol is fascinating. When ultraviolet rays from the sun hit the skin, they initiate a chemical reaction that transforms 7-dehydrocholesterol, a compound found in the skin, into previtamin D3. This previtamin then undergoes further transformation in the liver and kidneys to become the active form of vitamin D, which is crucial for various bodily functions. In addition to its role in bone health, calciferol has been linked to other health benefits. Research suggests that adequate levels of vitamin D may help reduce the risk of chronic diseases such as heart disease, diabetes, and certain cancers. Furthermore, there is evidence to suggest that calciferol may play a role in mental health, with some studies indicating a correlation between low vitamin D levels and increased rates of depression. Given the numerous benefits associated with calciferol, it is vital for individuals to monitor their vitamin D levels and seek ways to maintain them within an optimal range. This can be achieved through a combination of sensible sun exposure, a balanced diet rich in vitamin D, and, if necessary, supplementation. Health care providers can offer guidance on the appropriate dosage of calciferol supplements based on individual needs and lifestyle factors. In conclusion, calciferol is not just a simple vitamin; it is a powerhouse nutrient that supports many aspects of health and well-being. By understanding its significance and ensuring adequate intake, we can promote better health outcomes and enhance our quality of life. As we continue to learn more about the benefits of calciferol, it becomes increasingly clear that this nutrient should not be overlooked in our pursuit of optimal health.

人体需要多种营养素以最佳状态运作，其中最重要的之一是维生素D。这种必需维生素在维持骨骼健康、支持免疫系统和调节血液中的钙水平方面发挥着关键作用。维生素D的一种关键形式被称为calciferol，当皮肤暴露于阳光下时会在体内产生。术语calciferol指的是维生素D2（麦角钙化醇）和维生素D3（胆钙化醇），这两者对人类健康至关重要。维生素D缺乏已成为世界许多地方普遍存在的问题，尤其是在某些季节阳光照射有限的地区。这种缺乏可能导致各种健康问题，如儿童佝偻病和成人骨软化症，这些疾病的特征是骨骼脆弱和骨折风险增加。为了应对这些问题，许多健康专业人士建议增加富含维生素D的食物摄入量，或服用含有calciferol的补充剂。富含calciferol的食物包括脂肪鱼如三文鱼、鲭鱼和沙丁鱼，以及强化乳制品和谷物。然而，仅靠饮食来源可能无法提供足够的这种关键营养素，尤其是对于那些阳光照射有限的人。因此，理解calciferol的重要性及其在整体健康中的作用至关重要。此外，将阳光转化为calciferol的过程也很有趣。当阳光中的紫外线照射到皮肤上时，它们会引发一种化学反应，将存在于皮肤中的7-脱氢胆固醇转化为前维生素D3。然后，这种前维生素在肝脏和肾脏中进一步转化为活性形式的维生素D，这对各种身体功能至关重要。除了在骨骼健康方面的作用外，calciferol还与其他健康益处相关。研究表明，充足的维生素D水平可能有助于降低心脏病、糖尿病和某些癌症等慢性疾病的风险。此外，还有证据表明，calciferol可能在心理健康中发挥作用，一些研究表明低维生素D水平与抑郁症发生率增加之间存在关联。考虑到与calciferol相关的众多益处，个人监测维生素D水平并寻求保持其在最佳范围内的方法至关重要。这可以通过适度的阳光照射、富含维生素D的均衡饮食以及必要时的补充来实现。医疗保健提供者可以根据个人需求和生活方式因素提供有关calciferol补充剂适当剂量的指导。总之，calciferol不仅仅是一种简单的维生素；它是一种强效营养素，支持健康和幸福的多个方面。通过理解其重要性并确保充足摄入，我们可以促进更好的健康结果，提高生活质量。随着我们继续了解calciferol的益处，越来越明显的是，在追求最佳健康的过程中，这种营养素不应被忽视。