gram calorie

简明释义

卡

英英释义

例句

1.When calculating your daily intake, remember that 1 gram of fat has 9 gram calories 克卡路里.

在计算你的每日摄入时，请记住1克脂肪有9克卡路里克卡路里。

2.To lose weight, you need to burn more gram calories 克卡路里 than you consume.

要减肥，你需要消耗的克卡路里克卡路里比摄入的多。

3.One gram of protein provides approximately 4 gram calories 克卡路里 of energy.

一克蛋白质大约提供4克卡路里克卡路里的能量。

4.The energy content of a food item is often measured in gram calories 克卡路里.

食品的能量含量通常以克卡路里克卡路里为单位进行测量。

5.A typical banana contains about 90 gram calories 克卡路里.

一个典型的香蕉大约含有90克卡路里克卡路里。

作文

The concept of energy is fundamental to our understanding of nutrition and metabolism. One important unit of measurement in this context is the gram calorie, which is used to quantify the amount of energy provided by food. A gram calorie (also known as a small calorie) is defined as the amount of heat energy required to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere. This measurement is crucial for dieticians and nutritionists when they are calculating the caloric content of various foods. In our daily lives, we often hear about calories in the context of weight management and dietary choices. The gram calorie serves as a more precise measurement than the standard calorie, which is typically used in food labeling. For example, when a food package states that it contains 200 calories, it is actually referring to kilocalories, which equal 1,000 gram calories. Understanding this distinction can help individuals better manage their dietary intake and energy expenditure. When we consume food, our bodies convert the energy stored in it into usable forms to fuel our activities. This process is essential for maintaining bodily functions such as breathing, circulation, and cell regeneration. Each macronutrient—carbohydrates, proteins, and fats—provides a different amount of energy per gram. Carbohydrates and proteins provide approximately 4 gram calories per gram, while fats provide about 9 gram calories per gram. This is why diets high in fat can lead to a higher caloric intake even with smaller portion sizes. Moreover, understanding gram calories plays a vital role in sports nutrition. Athletes need to be aware of their energy requirements based on their activity levels. By calculating the number of gram calories burned during exercise, athletes can adjust their food intake to ensure they are fueling their bodies adequately for performance and recovery. On a broader scale, the concept of gram calories is also significant in discussions about global health and food security. As populations grow and dietary habits change, understanding how much energy we derive from our food can help inform policies aimed at reducing malnutrition and promoting sustainable agricultural practices. In conclusion, the gram calorie is a crucial unit of measurement in the realm of nutrition and energy balance. It provides a clear understanding of how much energy we obtain from food and how it relates to our overall health and well-being. By grasping the significance of gram calories, individuals can make more informed choices about their diets, leading to healthier lifestyles. Whether for personal health goals or broader societal issues, the knowledge of gram calories is invaluable in our journey towards better nutrition. Overall, the study of gram calories not only enhances our understanding of food science but also empowers us to take charge of our health in a meaningful way. As we continue to explore the relationship between energy consumption and human health, the gram calorie will remain an essential component of this ongoing conversation.

能量的概念对于我们理解营养和新陈代谢至关重要。在这个背景下，一个重要的测量单位是克卡路里，它用于量化食物提供的能量。克卡路里（也称为小卡路里）被定义为在一个大气压下，将一克水的温度提高一个摄氏度所需的热能。这一测量对于营养师和饮食顾问在计算各种食物的热量含量时至关重要。在我们的日常生活中，我们经常听到关于卡路里的讨论，尤其是在体重管理和饮食选择的背景下。克卡路里作为一种更精确的测量单位，相较于通常在食品标签上使用的标准卡路里更具意义。例如，当食品包装上声明其含有200卡路里时，实际上指的是千卡路里，等于1,000克卡路里。理解这一区别可以帮助个人更好地管理他们的饮食摄入和能量支出。当我们摄入食物时，我们的身体将其中储存的能量转化为可用形式，以供我们活动所需。这一过程对维持呼吸、循环和细胞再生等身体功能至关重要。每种宏量营养素——碳水化合物、蛋白质和脂肪——每克提供的能量不同。碳水化合物和蛋白质每克大约提供4克卡路里，而脂肪则提供约9克卡路里。这就是为什么高脂肪饮食即使在较小的份量下也可能导致更高的热量摄入。此外，理解克卡路里在运动营养中也发挥着重要作用。运动员需要了解根据他们的活动水平，他们的能量需求。通过计算在运动中消耗的克卡路里数量，运动员可以调整他们的食物摄入，以确保为表现和恢复提供足够的燃料。从更广泛的角度来看，克卡路里的概念在全球健康和食品安全的讨论中也具有重要意义。随着人口增长和饮食习惯的变化，了解我们从食物中获取多少能量可以帮助制定旨在减少营养不良和促进可持续农业实践的政策。总之，克卡路里是营养和能量平衡领域中一个至关重要的测量单位。它清晰地阐明了我们从食物中获得多少能量，以及它与我们的整体健康和福祉之间的关系。通过掌握克卡路里的重要性，个人可以做出更明智的饮食选择，从而过上更健康的生活方式。无论是为了个人健康目标还是更广泛的社会问题，了解克卡里都是我们追求更好营养过程中不可或缺的部分。总体而言，研究克卡路里不仅增强了我们对食品科学的理解，还使我们能够以有意义的方式掌控自己的健康。随着我们继续探索能量消费与人类健康之间的关系，克卡里将始终是这一持续对话的重要组成部分。