Questions tagged [food]

Any substance consumed to provide nutritional support for the body.

46 questions with no upvoted or accepted answers
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43 views

What do chimpz/bonobos/orangutangs/gorillas feed their babies with?

I just read this question and it made me curious about what a more original baby diet would look like. So, at what age do our closest relatives in the animal kingdom start giving their offspring more ...
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65 views

Difference between feral and domesticated honey?

Is there any significant differences in composition (and/or taste) between the honey of wild ("feral") honeybees versus that of domesticated ones used in beekeeping?
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Does drinking dry water have same effect as drinking regular water?

Dry water consists of water droplets that have been coated with silica nanoparticles, which prevents the droplets from forming a liquid. If a human swallows dry water, does it have the same effect as ...
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64 views

Eating possibly spoiled food in the fasted state - is it considered protective against the potential harm?

It is a known fact that the acidic environment in the stomach serves several purposes, such as providing suitable conditions for primary chemical digestion of food molecules and protection from ...
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34 views

Do bees from different continents have different “taste”?

This question was already asked by me at Gardening Stack Exchange, but I was advised to ask it here instead. I see there is already a closely related question: Do animals have different taste ...
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39 views

What happens when you cook tree spinach with aluminum?

The Internet is filled with warnings that you shouldn't cook tree spinach(Cnidoscolus aconitifolius) in aluminum, because it will react and create toxins that cause explosive diarrhea when consumed. ...
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140 views

Is the primary evolutionary purpose of a fleshy fruit to benefit the sprouting seed or the frugivorous seed disperser animal?

In a question about the low protein content in fruits, one answer suggests the energy, carbohydrate, and protein content in a fruit evolved to entice animal seed dispersers, not foster the sprouting ...
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351 views

Preserving/disinfecting meat with alcohol?

I'm considering safer ways to handle raw meat and it occurred to me that alcohol might be useful. I'm considering, say, sealing pieces of meat in a container with 40% alcohol or higher in fridge or ...
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86 views

Are oysters really aphrodisiacs?

Oysters have been thought of as aphrodisiacs for millennia. Is this a case of the bark of a willow tree as a precursor to modern paracetamol, or some sort of marketing ploy. Is there any biological ...
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42 views

How do organoarsenics improve digestion efficiency in poultry?

It struck me as very surprising that these organoarsenic compound with structure looking not very compatible with living system is widely used as food additive to increase weight gain and improve food ...
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56 views

Which species of Agave are known to have inedible flowers?

It is well documented that many species of Agave have edible flowers, however I keep coming across statements to the effect that "most species" of Agave have edible flowers. This implies that it is ...
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1answer
832 views

What is this grainy surface on my two-week-old sourdough starter?

I'm baking bread at home as a hobby, using sourdough. After skipping one baking day, I haven't used my sourdough starter for two weeks. When opening the jar in which I keep it, I saw the surface had ...
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252 views

Which white beans have phosphatidylserine?

Many articles online say that plant foods are poor sources of phosphatidylserine, except for white beans, which have 107 mg per 100 g.¹ ² ⁴ Honestly though, I think they might just be repeating a ...
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53 views

Are olfactive indicators always the result of inadequacy in sanitation?

Question If you can smell the scent of food in a thoroughly cleaned container, does that imply trace amounts of food particles remain? Scope It goes without saying that our sense of smell is ...
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45 views

Does freezer burn affect only the cells on the surface of food?

Suppose i submerge a banana halfway through in a tray with water. Part of the banana is submerged in water, part of it is on the outside. The water and banana in the tray is being put in the freezer ...
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23 views

Overall, for the most part, which is more important--capturing prey or surviving predators or parasites?

For animals in nature, does selection intensity tend to be stronger upon abilities used against parasites or predators or abilities used against prey? Any empirical reports would be appreciated. I ...
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60 views

Does boiling or frying fish make Omega3 be denatured?

I read some articles about omega-3, and I found there are two different opinions about how sensitive omega-3 is to heat. one is Applying heat to omega-3 make omega-3 become trans-isomer which is very ...
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93 views

Can combining C3, C4 and CAM plants in a greenhouse/vertical farm increase the efficiency of plant production?

I am reading a little about different types of photosynthetic systems in plants because I want to learn something about plant production in greenhouses/vertical farms (I have no experience in this ...
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48 views

Raw food diet digestion

I haven't really paid attention to the raw food diet and the claims of its supporters until now. A passage from this website says: The basic premise behind preparing raw food is not to cook food ...
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59 views

Chewing and weight loss/gain

I have a burning question. I have read many articles which say that chewing food properly, therefore longer, till you have a liquid-like texture, is causing you to eat less calories. However, it ...
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222 views

fast metabolism and law of conservation of energy

Usually if person take more calories with food than he spends, he is gaining weight. But if he has fast metabolism, his weight stays the same. Where these calories go? Maybe food is not completely ...
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4k views

Does drinking water affect oral thermometer accuracy?

According to various sources (including Mayo and Cleveland Clinics), one must wait a certain number of minutes before an accurate oral temperature reading may be taken. However, these two sources (and ...
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37 views

Do organic veggies contain more pesticides than regular food?

Since organic farms can only use "natural" organic approved pesticides rather than frequently more effective "synthetic" pesticides in use by other farms, does it mean that, on average per kg of ...
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222 views

Why bananas accumulate a radioactive isotope of potassium (K40)?

A quick google search reveals many pages that intend to calm consumers down and assure them that quantities of radioactive potassium in bananas (K40 isotope) is not sufficient to be concerned about, e....
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158 views

What type of Gorgonzola cheese fungus/bacteria is this?

I have purchased a gorgonzola cheese and it came with some orange/yellow fungus/bacteria in the cheese's surface. Anyone know what kind of fungus/bacteria it is, and if it's safe to eat?
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64 views

Hormones and body mass

I was wondering how some animals (bulls, elephants etc.) become so large by only eating grass or plant based material and why some humans can build large amounts of muscle and mass without a proper ...
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107 views

What are current abiogenesis hypotheses for first food source?

What is the very first abiogenetic piece of reproducing life (small piece of RNA + ribosome that randomly occurred?) hypothesized to have used as an energy source? I'd be interested in sources to what ...
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41 views

How much ribose do we eat?

I am wondering how much ribose we ingest as food? (Deoxy)Ribose is found in the backbone of DNA and RNA. So, we eat ribose as part of the nucleic acid found in plant and animal foods. While protein, ...
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26 views

Why is it (allegedly) dangerous to feed ducks with breadcrumbs and pieces of bread?

I used to go down to the local lake all the time with leftover bread and throw little pieces of it to the hungry duckies, who very eagerly fetched it and ate it while happily quacking away. I thought ...
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28 views

Why don't our tongue receptors for salt and sugar adapt to them, like the ones for pepper do?

Many (most?) physiological receptors adapt to the substance they bind to, leading to higher dosages required to elicit the same response. In pharmacology, it’s called “drug tolerance”. In physiology, ...
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23 views

Optimal bacterial vegetative cell inactivation method(s) after subtilis spores germinated under pressure

I am writing a PhD research proposal and being a newbie in the field I am lost a little bit in the bacterial vegetative cell inactivation methods in foods. I should propose two main methods to my ...
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30 views

Is feeding wild pigeons really “weakening the entire species”?

While reading about what foods are healthy for pigeons, I came across the following paragraph: (Source) Human interaction and improper feeding of domestic and wild pigeons is believed to be one of ...
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Is dyed cotton beeswax food wrap compostable?

I'm thinking of making beeswax food wraps for Christmas as an easy homemade gift. In hope that it will convince my siblings and in-laws to use them, I'd like to use funny and eccentric designs rather ...
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22 views

taste and hunger

Is it true than when you are hungry and you start to eat anything the flavour you like is increased? I like eating sweets.I havent eaten for 1 day.I am hungry.Whatever I eat now will seem to be ...
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15 views

What is the percentage of food that goes to a lamb fetus?

Does any one know the percentage of food eaten by a pregnant ewe that goes to the lamb fetus? Specifically how much does the mother take for her body from every one kilo of food and how much does ...
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217 views

How to tell the difference between mould and condensed milk and sugar

I have had sweetened condensed milk in the refrigerator for some weeks (or months perhaps?). The can was covered with aluminium foil. I noticed some disk-like artefacts on its surface, which are ...
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31 views

How to prevent mold from building on food and how to kill it along with neurotoxins?

I have some food/fruits chopped in very small parts, whatever it is that needs to be conserved during long time, when it is given to me it can be somewhat wet or humid, after some time of keeping it ...
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31 views

Why do some foods do not taste good when eaten together that eaten separately would taste great

The way I understand it, 'good tasting food' is evolutionary concept e.g to be able to distinguish between high nutritional value foods and ones that have no nutritional value whatsoever. So if well-...
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19 views

What is the consensus, if it exists, on the (absence of) biological effects of artificial sweeteners?

I tried to Google (and PubMed) the question, but it seems to be fairly polarized debate and there does not seem to be a consensus as to whether sweeteners like asparatme, acesulfame etc. have ...
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54 views

Does starch need to be cooked?

Does starch need to be cooked for human digestion ? Is the answer different for different starches; potato , wheat, corn, etc ?
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40 views

To what extent does the cooking time impact the nutritional content when boiling potatoes?

I wonder to what extent the cooking time impacts the nutritional content when boiling unpeeled potatoes with unsalted water. http://www.livestrong.com/article/340060-does-boiling-potatoes-reduce-...
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Regarding benzoic acid and its effects

One of the users on the chemistry s.e. mentioned that when benzoic acid forms in the body in response to other chemicals it might have a mutating effect on one's DNA. Is this true?
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83 views

Cell energy consumption and food intake

I am wondering if each cell in human body starts consuming ten percent more energy, how much food one has to consume compared to normal intake?
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1answer
61 views

How do people measure how many calories or proteins/fats/сarbohydrates are in some food?

How is the composition (in fats, proteins or carbohydrates) of a certain food estimated and how is the amount of calories provided by the food calculated?
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What is the bioavailability of plant based calcium?

How does the absorption rate of calcium from plant based foods such as mushrooms or algae compare to other forms of calcium such as calcium carbonate or calcium citrate?
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Violation of Conservation of energy In food chain?

Food chains use a unidirectional transfer of energy. Plants absorb energy from the sun, then the energy goes on to next tropic level and so on. But in this system, energy source is the Sun. ...