Questions tagged [food]

Any substance consumed to provide nutritional support for the body.

Filter by
Sorted by
Tagged with
1
vote
2answers
81 views

Is Pork more prone to carrying higher loads of parasites than Beef?

My friend told me that pork is dangerous due to containing worms. I told her that beef contains worms too and that's why we cook it. We went to steak restaurant and ordered "medium" beef. ...
0
votes
0answers
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, ...
-2
votes
0answers
20 views

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?
1
vote
3answers
7k views

What are the bare minimum nutrients required to survive as a human?

I am trying to determine the bare minimum nutritional requirements to survive as a human, ignoring energy (caloric) requirements. Another way to ask this question is: What elements can humans not live ...
2
votes
0answers
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 ...
2
votes
1answer
2k views

Are more animal species edible than plants?

While grocery shopping I was thinking that we restrict ourselves in regard to which animals we eat. I surely don't want to eat spiders and ants, for example, but I know that this is just because of my ...
2
votes
1answer
63 views

Can aflotoxin presence be inferred from the mild discolorotion at the middle parts of a hazelnut?

Can aflotoxin presence be inferred from the mild discolorotion at the middle parts of a hazelnut? For instance, how likely is it that the hazelnuts pictured below contain Aflotoxin? P.S.: these ...
3
votes
2answers
86 views

Why does vacuum sealing of foods prevent spoilage from anaerobic bacteria?

I have noted that many purchased food items in containers only require refrigeration after they have been opened, thus eliminating the vacuum seal. Air contains bacteria and fungus spores that enter ...
1
vote
1answer
41 views

Why most small organisms seem not to be interested in any organic matter which has all moisture removed?

On the first glance, it seems that most small organisms do not exhibit any interest in consuming any live or dead organic matter if it is completely dehydrated. Regardless if the food consists of ...
1
vote
1answer
386 views

Are there any arboreal mammals which eat leeches?

Are there any tree-dwelling mammals which might be found taking a living leech and eating it? (And do any hollow-dwelling birds of prey eat leeches?)
2
votes
0answers
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 ...
0
votes
0answers
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 ...
0
votes
1answer
39 views

Are earthworms edible?

Just that. It seemed weird for me not to find anything on Google. But I still think that they might be edible.
8
votes
2answers
4k views

Human Digestion of Cellulose?

Most animals can digest the cellulose in grass because of the anaerobic bacteria called Fibrobacter succinogenes living in their rumen (gut). The bacteria produces the enzyme cellulase and is ...
1
vote
0answers
32 views

A balanced diet with the minimum carbon footprint [closed]

Many studies shows that 1 kg of non-vegetarian food as 3-4 times more carbon footprint than 1 kg of vegetarian food. I think that does not represent the complete picture food from animal sources are ...
4
votes
3answers
244 views

Are chilies technically peppers?

Nando's chain of restaurants (UK) refers to chili peppers as just "chilies". My friend and I had a discussion with regard to whether chilies can be called "peppers" or if they do not belong to the ...
0
votes
0answers
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, ...
1
vote
1answer
283 views

How does vitamin A deficiency arise?

How does vitamin A deficiency arise? I am living in a "developed" country, so excuse me if I miss some facts that are real, and threatening, in other parts of our world. I heard about https://en....
0
votes
0answers
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 ...
8
votes
1answer
5k views

Why do apples taste sweeter at the bottom?

Sometimes when eating an apple, I notice that the bottom (blossom) end of the apple has a lot more sweetness and flavour to it, whereas the top half (stem) is often more watery, crispier and feels ...
3
votes
1answer
45 views

What's the role of bromelain in pineapple?

Bromelain refers to one of two proteases found in pineapple and its relatives. Like other proteases, many believe it has therapeutic uses and it's the subject of a lot of research. But what role does ...
11
votes
1answer
3k views

Worm compost cannot have cooked food

I live in the Netherlands and it is getting fashionable to compost with worms. After investigating a few websites I noticed that most websites suggested that I cannot feed the worms leftovers from ...
1
vote
1answer
493 views

What is this bizarre in-growth in this red bell pepper?

I just chanced upon a rather strange red bell pepper (or capsicum?): The green formation is bulbous to touch, just the like the outside of the bellpepper, and it has the same smell as one. I'm no ...
2
votes
1answer
188 views

Is it possible to use microalgae to produce food and live on it?

I know microalgae have not less protein and starch, grow quickly, require less. So, is it possible to use them for producing food (replace rice and wheat) and live on it? Currently, I only saw people ...
5
votes
1answer
3k views

Is it possible to be allergic to the yolk of an egg but not the egg white?

At lunch one day, my friend had a hard boiled Easter egg. When he pealed it he squeezed the yolk, or yellow part, of the egg out. I asked him what on earth he was doing and he said, "I'm allergic to ...
2
votes
1answer
65 views

Can viruses stabilize and increase the shelf life of wine and other foods?

When you make wine, you use the yeast Saccharomyces cerevisiae to ferment sugary juices. After you're done, you want to avoid them doing anything by using some chemicals etc. There are also other ...
2
votes
1answer
42 views

Does the composition of a meal play a big, or small, role in food's thermogenic effect on the body?

Reading in: "Diet and Health: Implications for Reducing Chronic Disease Risk / Calories: Total Macronutrient Intake, Energy Expenditure, and Net Energy Stores" [NCBI Resources]: "The thermogenic ...
3
votes
1answer
104 views

Are these spinach leaves?

I often buy baby spinach from the store, and sometimes, in a few bags of spinach I also find these leaves: They have a different shape than the spinach leaves, they are a lighter green, and they ...
-3
votes
1answer
44 views

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. ...
2
votes
1answer
131 views

Why is it common to grow microalgae in bottles or canisters?

I came across many people growing Chlorella or Spirulina types of microalgae, inside bottles or canisters and that that they also bubbled CO2 into these containers artificially. This question is ...
2
votes
2answers
2k views

Are peanut proteins similar to chicken meat proteins?

I'm studying amino acids content in vegetable food. I was looking at peanut protein and noticed its similarity with chicken meat, as you can see in the table below (quantities are measured in grams). ...
-3
votes
1answer
116 views

Why would it be dangerous to consume cooked bats even if they are linked to viruses? [closed]

(Not sure if this is the right SE for this question. I'm asking this here, because I'm looking for a biological answer, if one exists.) This (potentially very naive) question is inspired by this news ...
3
votes
1answer
55 views

Additive property of taste

It might be a dumb question to ask, but I find it confusing. Is the perception of taste additive? Or to be more precise, can two tasty food items combine to give a more delicious product? For me, ...
0
votes
1answer
29 views

Can storing food in a de-pressurized container result in anaerobic bacteria growth?

I was looking for a way to store for longer some products which go bad quickly. I found a stainless steel container made with a hermetic lid that you can remove air through (using a pump) so you ...
2
votes
0answers
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. ...
1
vote
1answer
105 views

How are proteins reused in the body? [duplicate]

Part of what we eat are proteins, and our body is in part build of proteins. Are the proteins of the body build based on proteins in food at all? Are proteins in food directly reused in the body, or ...
5
votes
2answers
8k views

Can food swallowed when a person is upside down reach the stomach?

If a person positions him/herself upside down and swallows food, will it reach the stomach against gravity? If so how?
0
votes
0answers
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 ...
2
votes
1answer
61 views

How much heme is in cooked pork and beef; why is cooked pork (“the other white meat”) not red?

The new video See how Impossible Pork will make you forget about pig meat includes a very short discussion of the addition of heme to the product to make it taste like beef the deep red color of a ...
11
votes
1answer
6k views

Do any animals prepare food?

I was just wondering if any animals (are smart enough to) enhance the flavor of their food by, for example, mixing ingredients or seasoning or letting it cure in some ways. In the first episode of ...
34
votes
2answers
7k views

What do butterflies eat?

I found a beautiful scarce-swallowtail butterfly in my storeroom, but it was kind of frozen and couldn't fly away. So, I put it on my terrace in the sun. After a little bit, it flew a few meters away ...
0
votes
0answers
7 views

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 ...
3
votes
3answers
222 views

Air bubble in addled egg

I'm a complete novice in biology. This is just a question that arose during Saturday night warmup and there is no better place to get answers :) So, as probably most of you know, if you want to ...
0
votes
0answers
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 ...
1
vote
0answers
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 ...
3
votes
2answers
1k views

Is iodised salt harmful to the lactofermentation process?

I was discussing sauerkraut recipes with someone on IRC a minute ago, and they warned me not to use iodised salt in the process. My first (and so far, the only successful) batch is one I made with ...
0
votes
1answer
37 views

Do vitamin enriched foods preserve their value when exposed to higher temperatures?

At what temperatures do different kinds of vitamins are destroyed or lose their nutritional value? Imagine you went to the store and bought vitamin enriched cacao powder. Then you made yourself a hot ...
11
votes
3answers
16k views

Why can't you taste food when you have a cold?

It is a common observation that food is tasteless when we have a cold. Why is that so? What is the cause of inability to taste when we have a cold? Are the nose and ability to taste connected?
1
vote
2answers
2k views

Is sugar absorbed into the bloodstream through the walls of the mouth?

If you let a piece of candy melt in your mouth, but did not swallow it, would the sugar be absorbed through the walls of your mouth?
8
votes
2answers
144 views

How does the stomach handle continuous eating?

In biology class, we learned this familiar story: Food enters the stomach, the stomach churns it with acid and enzymes, and then, somehow, the stomach senses when the stew is ready and releases it ...

1
2 3 4 5
7