Any substance consumed to provide nutritional support for the body.

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1answer
21 views

Why is coconut oil healthier when it has so much saturated fat?

I noticed that coconut oil has ~96% saturated fat, and I was under the assumption that saturated fats = bad for health. Why is it that coconut oil is healthier to alternatives with much less ...
2
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0answers
83 views

Questions about insects eating flour and living in the cracks of a wooden cutting boards

I have a large wooden cutting board which is used in kitchen mainly for preparing egg pasta. The wood type is Populus (poplar or aspen or cottonwood). The main ingredients used with the cutting board ...
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0answers
27 views

Organic Foods, GMOs and more [closed]

I don't understand the debate about organic foods being better than conventional foods and GMOs being more dangerous than both of them. What intrigued my curiosity was a scientist that tried to ...
5
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1answer
55 views

Can an insect poison itself with food?

Is it possible that an insect poisons itself while eating "wrong" plants/fruits/... and have symptoms like pain (may hard to measure or detect) or orientation disorder? Background: I observed a ...
8
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3answers
337 views

Does human digestive system benefit from eating same kind of food consistently?

Here's the reason why I'm asking: I've heard that it takes some time for pets(cats/dogs) to adjust to a different dry feed, where the new feed has to be mixed with the old one, slowly replacing the ...
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0answers
20 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 ...
2
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2answers
166 views

Eating rarely but a lot, or often but little

I wonder if it matters if an average person eats the same amount of food distributed between a few (2-3) meals during the day, or constantly having small snacks. I'm interested in several aspects of ...
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0answers
17 views

Is there any way the food industry can benefit from biofilms?

I realize all of the disadvantages, but I am wondering if the food industry can actually benefit from the formation of biofilms.
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0answers
15 views

How do Streptococcus thermophilus and Lactobacillus bulgaricus precipitate the curd of swiss cheese?

I learned in my food microbiology class that Streptococcus thermophilus and Lactobacillus bulgaricus precipitate the curd of swiss cheese. However, I was wondering what type of mechanisms do these ...
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0answers
16 views

fermentation to acetic acid

How many time need for swich fermentation to acetic acid production cycle , and the conversion of apple vinegar in a sealed container incubated at 37 ° C ? Should be in the fully closed? What is ...
47
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11answers
10k views

Can humans survive without consuming life? [closed]

Some people say that it's awful that humans eat animals. They feel that it's barbaric, because you're killing life and then on top of that, you're eating it, and that you should eat vegetation ...
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0answers
10 views

What biological processes are affected by dietary fiber besides peristalsis?

Dietary fiber affects the rate of peristalsis, but what other effects does it have? Does fiber affect signal transduction, hydration, the autonomic nervous system, organ function, other biological ...
2
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1answer
74 views

Is plastic just as good for you as corn?

To specify, I mean plain corn-on-the-cob, not anything processed like corn flakes. Since one of the main important functions of corn is that it's not digestible, and therefore helps with digestion by ...
3
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1answer
63 views

Book recommendation on selective breeding?

I am looking for a good book that gives a nice overview of the science and technics of selective breeding. I am particularly interested in the use of population genetics to support decision in this ...
2
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1answer
47 views

Leaves not liked by herbivores

I at times have many goats grazing in our locality. Recently a few cows were seen too. I just offered one of the cows a few leaves from Jasminum sambac plant growing in our garden. The cow smelled and ...
4
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1answer
73 views

Blood consumption

Is consumption of blood more "dangerous" compared to meat? There was a news-article about unnatural chemicals found in the blood of mothers. This reminded me about a question I have pondered upon ...
3
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1answer
75 views

Why do animals only eat some parts of their food?

For example monkeys/apes only eat part of a fruit and then throw the rest. Cats (big and small species) only eat some parts of their prey and then they abandon it. Humans on the contrary leave as few ...
3
votes
1answer
103 views

The smell from eating asparagus

I am wondering about one thing. I have read different accounts of this (prior to reading it on Wikipedia), so I am wondering. Here are the two versions I have read: asparagus leads in a certain ...
3
votes
1answer
53 views

Can juice become sweeter after packaging? [closed]

It seems like the orange juice thats been sitting in the fridge for awhile always tastes sweeter than the juice just brought from the grocery store. Can juice ripen in the container ?
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0answers
27 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
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1answer
34 views

What makes certain obligate anaerobes viable in fermentation starter cultures?

If Propionibacterium are obligate anaerobes (to wit, poisoned by oxygen), what makes 'Dairy' or classical propionibacteria (e.g. P. shermanii, P. jensenii, P. acidicpropionici, et al) viable in ...
5
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2answers
350 views

What happens to lactic acid I eat?

Let's say I drink some Kefir Milk, what happens to the lactic acid in the Kefir Milk that has entered my digestive system?
3
votes
1answer
114 views

Are there any air-plants with parts that are edible for humans?

Are any air plants (Tillansia sp.) safe for humans to eat? I haven't been able to find whether or not there are. Pineapple is in the same family (Bromeliaceae), but isn't an air plant.
2
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2answers
1k views

Why aren't we allowed to refreeze previously thawed breastmilk in refrigerator?

https://www.breastfeeding.asn.au/bf-info/breastfeeding-and-work/expressing-and-storing-breastmilk Previously frozen— thawed in refrigerator but not warmed 4 hours or less (ie the next ...
3
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2answers
2k views

Why do kefir grains stop growing in soy milk?

Kefir is a fermented milk drink made with kefir grains. It usually is prepared by inoculating cow, goat or sheep milk with kefir grains. I would like to prepare the drink with soy milk, which worked ...
4
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2answers
6k views

Does sour food cause sweating?

While eating sour food or candy, I start to sweat if it's sour enough. My body feels much hotter although my actual temperature is the same, my forehead starts sweating a lot and I feel like it just ...
11
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4answers
4k views

What nutrients can humans absorb in the mouth?

For instance, I realise being able to absorb simple sugars in the mouth is pivotal in the rapid action of oral glucose gel. Thus I was wondering what nutrients in general can be absorbed directly ...
3
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1answer
71 views

Will a garter snake eat unusual prey if made to smell like something normal?

I have noticed that my garter snake only eats after it has smelled it's prey to make sure it is a slug, and it doesn't matter whether it's moving or not. If I were to coat, say, a caterpillar with ...
3
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1answer
64 views

Does tea have its effect if you have a sleep after drinking it?

If I drink tea, then go to sleep for a while, when I wake up, will the effect of tea still be on me (the refreshing effect)? Does it depend on the duration of sleep?
5
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2answers
177 views

Is there a biological reason for spreading food intake into breakfast-lunch-dinner?

I keep hearing over an over how humans can satisfy their entire daily caloric need in one sitting at a fast food restaurant. At the same time I'm looking at the kitchen plates, cups, etc, and they ...
8
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3answers
3k views

What's the worst that can happen from eating too many spicy peppers? Can you die?

Some peppers, such as the habanero or Carolina reaper are extremely spicy, and when eaten in larger amounts than one is accustomed to, can cause some discomfort. I've also heard anecdotes claiming ...
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1answer
78 views

What is the evolutionary reason behind human preference for salty foods?

It's been established that food palatability is related to it's caloric density. This hypothesis is used to explain why humans are partial to sugar and fat. But it is also said that humans are partial ...
4
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2answers
94 views

Detecting food fraud

There's undoubtedly more than one way to do this, but if a DIY biologist were to attempt to detect food fraud (e.g. as done by students from Stanford University and Trinity School, Manhattan with ...
2
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2answers
169 views

How can toddlers expend seemingly boundless energy when they eat so little?

A toddler's food intake seems very little: only milk and water and some solid food. Therefore, from where does this energy come?
2
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1answer
38 views

How are oranges in the US or anywhere made seedless?

How are oranges in the US or anywhere made seedless? Please explain the broad principles and not the technicalities.
10
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1answer
13k views

How to store vegetables in the refrigerator: In plastic bags or not?

My wife and I are having a debate similar to this one: I claim that it's better to take the fresh veggies out of the bags and put them in the crisper with humidity control because: That's what the ...
3
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0answers
29 views

How is nutrient uptake in humans measured?

There are many claims made about nutrient absorption, eg "Juicing helps you absorb all the nutrients from the vegetables". I'm curious to know how nutrient uptake is measured. Eg is it a pure ...
6
votes
1answer
152 views

What exactly makes bananas go brown?

I know that often oxidation processes are mentioned when referring to the color change from yellow to brown in bananas (specifically: those that you get everywhere in supermarkets, with no seeds). ...
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vote
1answer
59 views

Is Schoons Hard Shell muskmelon a hybrid?

Would Schoon's Hard Shell muskmelon be considered a hybrid as I have read it was a cross between a Bender's Surprise and a Honey Rock.
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1answer
199 views

Why does ear wax taste sour?

Why does ear wax taste sour? I am interested in both the physiochemical mechanisms and the evolutionary reasons behind the sour taste of earwax.
1
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1answer
59 views

Does the lung absorb organic food?

Imagine you swallow something up and not everything gets out of the windpipe (this is possible right?). Would it be possible for the lung to handle with the rest implying that it is organic? Would it ...
17
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4answers
6k views

Can humans eat grass?

Can a human eat grass and digest it? Could it be possible to use it as food just like other plants such as wheat or beans?
11
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4answers
843 views

Has there ever been an attempt to create nutritionally tailored food for adult human consumption?

For all domestic animals, and for all animals kept in laboratory, complete and precise composition of perfect food is figured out (cat food, dog food, cattle, rats, laboratory monkeys and apes) -- ...
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0answers
28 views

The biological basis of inflamatory foods: the list of attributes and the concrete example of milk vs kefir

I wonder if anyone has some interesting matterial on the biological basis of inflamatory foods. I'm interested in pin-pointing the (in)complete set of (known) causes in the form of a list and maybe ...
1
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0answers
49 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 ...
11
votes
2answers
324 views

What are the evolutionary niches differentiating an apple from a pear?

So, as far as I understand (basic) evolutionary theories, diversity is generated by "niching." That is, if there is an environmental factor that hasn't been fully used by any species to "profit" off, ...
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1answer
43 views

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

i got know microalgea can benifit a lot and it has not less protein and starch , and grows quickly, require less so is it possible to use them for producing food (replace rice and wheat) and live on ...
0
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1answer
87 views

Does avocado and orange have a common ancestor?

While I'm eating my orange, I felt as if I was eating avocado. It might be genetic manipulations perhaps but it made me think if they have a common evolutionary ancestor. Is there?
3
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1answer
104 views

Does the body lose energy or gain energy relatively when drinking or eating hot things?

Does the body lose or gain energy when drinking or eating hot things compared to more neutral temperature things? On the one hand, The body could somehow convert the heat energy into human usable ...
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2answers
50 views

3 fates of this matter

When an animal eats something, it obtains matter and energy right? But, what are the 3 possible fates of the matter and 3 possible fates energy. I don't understand what they are even asking. What ...