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Questions tagged [vegetable]

The tag has no usage guidance.

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How does garlic preparation affect its active compounds or medicinal properties? [closed]

I read the following claims about how to consume garlic: Consume immediately after crushing since the active compounds (allicin) is volatile and gets oxidized as soon as it's crushed Allow to sit 10 ...
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0answers
29 views

What is the protocol for extracting Protease Onion?

I am Investigating the protease concentration in certain fruits and vegetables. I am unable to find the protocols for the extraction from onions. I want to purify my protein using the ammonium ...
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0answers
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Identify vegetable with stalks coming out of it

I know nothing more about this vegetable than the fact that it is safely edible, which a local vegetable vendor in South India told me. It's green (white inside) and has a strong smell resembling that ...
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1answer
986 views

Potato with purple veins!

Today while cooking with potatoes when I cut open a potato(raw) which was looking perfect from the outside showed purple veins. I threw it in my kitchen garden but than I wondered what it could be ...
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0answers
38 views

What impact do genetic engineering techniques have on seed breeders?

In research of seed breeding, I'm trying to understand the impact of genetic engineering techniques like CRISPR (This is the main one as I understand) on traditional seed breeders. Through searching ...
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0answers
27 views

How effective is it to rinse fruit, lettuce, tomato, … with water?

The general rule I've seen stated is that to get rid of some nasty bacteria, one should rinse fruit and vegetable under running water before using them, especially if eaten raw. Most likely the ...
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0answers
46 views

Rapid Decomposition Of Fruits & Vegetables During Hurricane

A very strange thing (To my mind) has just happened in my home. On the eve of Hurricane Irma, I purchased some food including cucumbers and grapes. I left them in my kitchen area overnight. When I ...
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1answer
567 views

What can give rocket salad (Eruca Sativa) a fish smell? [closed]

I bought an 'already washed' plastic tray of rocket salad (arugula, or Eruca Sativa) enclosed in a sealed plastic bag. It has been kept in the refrigerator for four days. When I opened it, some 12 ...
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1answer
364 views

Why do same type of fruits come in different sizes?

Why don't fruits come in exact same size even they're the same type of fruit? This sounds like an obvious question, but why are some apples bigger than others? and why are some bananas larger than ...
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1answer
171 views

What kind of kale is this?

I'm from Pennsylvania and I used to get this kale all the time at the grocery store, but I moved to the West Coast recently and can't find it anywhere! It looks exactly like this photo: Image source: ...
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0answers
50 views

Pepper plant leaf curl and “sweating”

The "sweating" and leaf curl have been going on for about a week. I've done some extensive googling and have found mixed diagnoses. For context, the ambient temperature is 74°, I'm using 6,500 K lamps ...
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2answers
69 views

Why are vegetables either red or yellow?

Have you ever wondered why these two colors occur so often? Take these: onion waltnut potato carrot/parsley and even cabbage which can be green or red. Why these two pigments? Or is it just one ...
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1answer
58 views

Bio-fuel efficiency as aviation gasoline

Can biofuels replace petroleum for aviation fuel? I've read in the news that Alaska Airlines was flying with 10~20% biofuel and 80~90% petroleum. Is biofuel efficiency comparable to the efficiency of ...
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0answers
86 views

Are vegetables really needed in our diet?

I want to believe that eating vegetables is necessary even when one takes vitamins, but I can't find any medical evidence for this. To make my question specific, suppose a study on twins were done in ...
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1answer
793 views

Grafting vegetables onto fruit-bearing trees

There are multi-fruit trees with as many as 40 different fruit, but would it be possible to graft a vegetable onto a tree? Or maybe something in between, like grafting onto an apple tree a fruits in ...
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1answer
70 views

If I sent a bag of rice to the bottom of the ocean and brought it back, could I eat it?

Suppose I filled an oceangoing container with rice and sunk it to the bottom of the ocean… say, a kilometer or so, then brought it back up. Would it be edible? Would it retain nutrients? Do these ...
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1answer
39 views

What nutrients do I lose in the water when I boil vegetables?

What nutrients do I lose in the water when I boil vegetables. Has to be some water-soluble and heat labile ones right? Which ones?
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2answers
1k views

What is the difference between vegetable and fruit?

Is there any exact definition of vegetable and fruit? How can new plant be classified?
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4answers
471 views

Why do some people find vegetables so repellent when evolutionarily they should find them an attractive and thus tasty food?

Why do certain people (especially kids) find vegetables so "repellent" when evolutionarily they should find them an attractive and thus tasty food? I ask this question because if Darwin's theory of ...
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1answer
3k views

What is the appropriate blender speed to maximize nutrition and digestion of fruits and vegetables? [closed]

Blender companies state that a blender for smoothies should have speeds of at least 30000 rpm. They argue that only at 30000 rpm are cells of fruits and vegetables sheared enough to maximize nutrition ...
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0answers
62 views

What does effect would Sulforaphane have on Kennedy's Disease?

Sulforaphane is a isothiocyanate found in cruciferous vegetables including broccoli and cauliflower. Its 2D structure is as follows: It's been found to serve as a histone deacetylase 6 (HDAC6) ...
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2answers
271 views

How are there multiple varieties of the potato?

The potato appears to propagate by growing an 'eye'/'bud' which eventually grows into a new plant. So there would probably be single representative of the potato species in the world with all others ...
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1answer
1k views

Why do carrots spoil so fast?

The carrots we buy from a supermarkets spoil very fast, albeit giving many consumers a false sense of preservability due to their structural rigidity. The answer extends to many other vegetables many ...