大專食品英語ppt課件-展示頁
2025-01-14 09:38本頁面
【正文】 an use to guide us our quest for sound nutrition knowledge ? To begin， we need to learn some definitions of monly used nutrition terms and find out what sorts of guidelines are available to help us measure the quality of our diets and to develop healthful eating patterns. 第一課 營(yíng)養(yǎng) 第 1到第 6頁 ? 人們的營(yíng)養(yǎng)情況在很大程度上取決于人們吃什么和吃多少。而這兩方面又受體內(nèi)、體外多種因素的影響。事實(shí)上，這中間有些信息是有一定道理的常識(shí)，我們可以利用這些信息來指導(dǎo)（我們?nèi)ィで笳_的營(yíng)養(yǎng)知識(shí)。 NUTRITION AND FOOD： DEFINITIONS ? The word nutrition is often paired with the word food because the two go together. They are interdependent， but not interchangeable. ? Food might be defined as any edible substance that provides nourishment when consumed. It is made up of many natural ingredients all chemicals that have different functions such as providing odor， flavor， color， and nourishment. The ingredients that give us nourishment are called nutrients. ? These nutrients are categorized as fats， proteins carbohydrates （ sugars and starches）， minerals， vitamins， and water. They are called essential nutrients because we cannot get along without them. We need them for energy， for building and maintaining body tissue； and for regulating body processes the three essential functions of foods in the body. ? Nutrition might be defined as the process whereby we obtain the essential nutrients and use them to make many other substances our bodies need， this process would include eating and digesting food and absorbing and using， or metabolizing， the nutrients it contains. 營(yíng)養(yǎng)與飲食的定義 ? 由于營(yíng)養(yǎng)和食物的關(guān)系密切，所以營(yíng)養(yǎng)和食物這兩個(gè)詞常常成對(duì)出現(xiàn)。 ? 食物可定義為食后起滋養(yǎng)作用的任何可食用的物質(zhì)。這些成分有各種各樣的功效：如提供色、香、味和營(yíng)養(yǎng)等等。 ? 這些營(yíng)養(yǎng)素可分為脂肪、蛋白質(zhì)、碳水化合物（糖和淀粉）、礦物質(zhì)、維生素和水。我們需要這些營(yíng)養(yǎng)素來提供能量，構(gòu)成和修補(bǔ)機(jī)體組織，調(diào)節(jié)機(jī)體生理過程。 ? 營(yíng)養(yǎng)可定義為人們賴以獲得的必須營(yíng)養(yǎng)素，并利用這些營(yíng)養(yǎng)素來制造人體所需的其他物質(zhì)的過程。 ? We can obtain all of the essential nutrients from food. However， it is possible to obtain nourishment without eating and digesting foodif， for example， the nutrients are injected directly to our veins as in intravenous feeding. ? Thus， it is the nutrients that are essential and the food that normally provides them. Since food is vital， we need to know the nutritive content of foods， which ones are the best sources of the various nutrients and how to bine them into a healthful diet. ? The term good nutrition implies that we are obtaining from our food all of the essential nutrients in the amounts needed to keep our bodies functioning and to
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