Dictionary » F » Food




(1) A form of nourishing substance that is consumed

(2) A substance that provides nourishment

(3) A source of nutrient, especially a solid substance that is fed upon to be metabolized to gain energy or molecules essential for the organism's continued existence


Food is the essential source of nutrient (such as carbohydrates, proteins, fats, vitamins, or minerals) ingested or assimilated by the organism to sustain life. Food may be derived from another living thing through predation, parasitism, etc. For embryos, yolk is their food that serves as their fundamental source of nourishment. For most photosynthetic plants, their food is the product of their own photosynthesis whereas many animals depend on the plants as their direct food. For microorganisms such as bacteria and protozoa, their food is chemical compounds from their environment.

Word origin: Old English f┼Źda


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Re: sugar consumption and weight gain

... gain as much as other carbohydrates or other macronutrients: fats and proteins. It's about calorie intake, not sugars. The point is, that sugary foods are usually calorie dense. One chocolate bar (100 grams) or cake can have over 500 Calories. By drinking soda or fruit juices you also consume ...

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by boron
Sat Sep 06, 2014 2:02 pm
Forum: Physiology
Topic: sugar consumption and weight gain
Replies: 1
Views: 106

sugar consumption and weight gain

How eating sugar(sucrose) causes weight gain ? Table sugar has low glycemic index than commonly used foods and we use little amount sugar ( usually few grams and it add only few calories ). Then, why we want to go for artificial sweeteners for dieting? Sugar converted into ...

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by josem
Thu Sep 04, 2014 9:14 pm
Forum: Physiology
Topic: sugar consumption and weight gain
Replies: 1
Views: 106

Re: Food to ATP energy?

It seems that you may have a misunderstanding between the meaning of calorie and Calorie (with a capital "C"). a lowercase "C" indicates a true calorie, and an upper case "C" represents a kilocalorie. We use the upper case "C" when talking about foods and the ...

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by tmbirkhead
Thu Aug 14, 2014 1:11 am
Forum: Cell Biology
Topic: Food to ATP energy?
Replies: 2
Views: 1083

Re: Stomach bloating and weight gain

Most of the time, it is from a high carb diet- referring to all breads, pastas, sugars and yes beer. The present day foods are filled with problems that previous generations did not have to suffer with- including gmo foods,hormones/steroids in the food, estrogen in the soy, artificial ...

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by Sydstatue
Mon Aug 11, 2014 6:17 am
Forum: Physiology
Topic: Stomach bloating and weight gain
Replies: 453
Views: 2702905

Is there any difference between different fertilizers?

Same thing can be consider in case of baby foods,which may contain artificial flavors, minerals and vitamins(may be chemically synthesized). But all have chemically similar to its natural counterparts. By the way baby food may contains preservatives, ...

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by josem
Sat Aug 09, 2014 5:21 pm
Forum: Physiology
Topic: Is there any difference between different fertilizers?
Replies: 1
Views: 513
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