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Questions tagged [taste]

Questions related to the crude analysis of a compound by identifying its taste.

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How do we know if a newly developed chemical compound has any taste or is tasteless?

I was reading this about polystyrene, which says: "Polystyrene is an odorless, tasteless, rigid thermoplastic", and got hung up on "tasteless". I searched Chemistry.SE for "tasteless" and found this ...
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2answers
101 views

Is sugar necessary for the sweetening effect of food?

A lot of food packages, nowadays, are mentioning "0 g sugar" or "sugar free". Then how do those still taste sweet?
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Why does the acid in hops make beer taste bitter?

For years, I've learned that acids taste sour and bases taste bitter. Recently, I've read in "The Beer Bible" and various beer sites that the hops in beer, which are acidic, cause beer to have a ...
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How do we know a nerve agent is tasteless?

According to the BBC, the nerve agent sarin is a tasteless liquid. How do we know that this liquid has no taste, given that anyone to have (not) tasted it in any meaningful quantity presumably died ...
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1answer
2k views

Why are polysaccharides not sweet in taste?

Polysaccharides are defined as polyhydroxy aldehyde or ketone which on hydrolysis yield many units of monosaccharides. I got one answer(to my question above) as: On our tongue, we have things ...
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Why does sodium bicarbonate taste salty? [duplicate]

I just made myself sodium bicarbonate solution to treat heartburn. I never did this before, I rarely suffer from this condition. What surprised me is how salty did the solution taste. I thought there ...
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151 views

Why do many organic halogen compounds smell or taste sweet?

Is it just coincidence that many organic halogen compounds (especially chlorinated ones) tend to either taste or smell sweet? Examples include dichloromethane, vinyl chloride, chloroform, and ...
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2answers
346 views

How does alcohol keep smell and taste flavors in wine?

Nowadays alcohol free wine is also sometimes available. Now is seems that this wine has less taste and flavors in it. The cause for this is that alcohol seems to the capability to keep these flavors ...
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1answer
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The “hazardousness” of artificially made sweteeners

In school I learned of the "possible hazardity of artificial sweeteners." But that was some time ago, now. I think that science should have caught up by now. My question is as follows. Which ...
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440 views

Sweet non-toxic salts

I have recently read one post over here in chemistry exchange about tastes of ionic salts, some described lead and beryllium ones to be sweet but toxic, some my point is there any salt that is ...
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3answers
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Does heavy water taste sweet?

In this YouTube video from Cody's Lab, Cody claims that heavy water tastes sweet. He does some fairly convincing comparisons but still expresses a little doubt that the effect is real. Has this been ...
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1answer
509 views

Is it the Na+ or the Cl- that gives table salt its taste?

What gives it that salty taste? I'm wondering if it's the $\ce{Na+}$ or the $\ce{Cl-}$. I know that $\ce{KCl}$ also tastes salty, and other salts have different flavours, but where does the saltiness ...
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1answer
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pH Difference Our Taste Buds Can Recognise

Water at $50~^\circ\mathrm{C}$ has a $\mathrm{pH}$ of $6.63$, while the pH of water at $0~^\circ\mathrm{C}$ is $7.47$. The temperatures are comparable to a chilled, iced drink (at $0~^\circ\mathrm{C}$...
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1answer
82 views

What chemicals cause the softer less-raw taste of purified water sold in bottles/cans?

I've seen this post, but it doesn't answer my question. I took water that is supplied by the municipality corporation and put it through a gravity based water filter. The taste of the water didn't ...
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1answer
529 views

Measuring sweetness

According to my textbook, sucralose is about 500 times sweeter than sucrose. How is this measured? Does one have to use blind taste tests, or is there a quantitative chemical way of measuring ...
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1answer
91 views

Wine tasting like soot

I'm not sure if this question is for chemistry. I had a bottle of (cheap) wine. It had a strong taste of soot, to an extend that I suspected that in the filling process some machine oil might have ...
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51 views

Off taste of over-boiled soup, what is the chemistry?

I had a tin of Asian soup where the label explicitly states "don't boil". It happens, it did boil, and afterwards had a taste that reminded me clearly of the smell I remember from stale soap water, ...
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What chemical measurements are related to the degree of flavor extracted by alcohol?

A recent project of mine includes making infusions of various ingredients to make liqueurs and bitters. Infusions, I've learned, vary widely in the amount of flavor extracted from an ingredient. ...
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1answer
47 views

Is there such thing as too much fermentation

When you make a wine the more you age it the better the taste. But is there such a thing as too much fermentation where it makes the wine taste worse? If not is there a time where fermentation doesn't ...
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1answer
800 views

Do L-sugars (enantiomers of natural sugars) have a sweet taste?

I'm wondering about how L-sugars taste. They are obviously not digestible by humans, but what do they taste like? If they are sweet, too, why isn't sucrose with the unnatural chirality used as a zero-...
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Is there a way to experience peppers’s endorphins effects without the burning sensation?

When preparing dinner, my friend and I sometimes argue over the amount of pepper. It is often ‘too hot’ for him while I enjoy the heat effects (endorphins) of capsaicin (chili peppers) and piperine (...
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1answer
529 views

Why should space whisky taste different to Earth whisky?

I recently read an article about a vial of whisky being stored on the International Space Station for 3 years, and having its taste compared to a control sample stored on Earth. What could cause this ...
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1answer
4k views

Why does my blood taste like rust?

I though it is just me, but when I search in Google it reveals that there are many people who experience this: Why whenever I taste my own blood do I always think it tastes like rust? I have never ...
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1answer
185 views

Does oxygenating tap water remove the tap water flavor?

I know flavor is subjective and not exactly quantifiable, but I think there's merit to this question. We've all experienced that tap water often tastes a lot worse than bottled water or filtered ...
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276 views

Where did the description that acids are sour and bases are bitter come from?

Where did the description that acids are sour and bases are bitter come from? With Arrhenius definition, those descriptions may have fit acids and bases, but with the Lewis definition, I guess they ...
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2answers
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Discrepancies between smell and taste

In my experience, most foods smell like they taste. Fragrant soaps, however, taste quite awful in comparison to their fragrances. How can some things smell and taste identical while others are so ...
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1answer
903 views

What causes that foul taste with combination of toothpaste and orange juice?

Ugh, I drank orange juice too soon after brushing my teeth and my mouth feels awful! What causes that foul taste with this combination of toothpaste and orange juice? Is it a reaction between the oil ...
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1answer
7k views

Why does opened wine develop the sour taste and smell of vinegar?

An opened bottle of wine developed into a sour taste and smell of vinegar. Why?
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1answer
1k views

What chemicals help define “taste”?

As we all know that there are 5 tastes : sweet, sour, bitter, umami, salty. So what chemicals are there that help form these tastes, in other words how do our tastebuds experience these tastes? Also ...
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1answer
523 views

Which chemical reactions occur between my tongue and the food I eat?

There are various chemical reactions that can occur between materials. Which chemical reactions occur with the tongue? How come all reactions are reversible (nothing sticks to my tongue)? What's ...
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3answers
1k views

Can plastic leak into water from a HDPE “2” plastic container at room temperature?

Here in USA supermarkets often sell water in plastic 1 gallon jugs. These jugs seem to all be stamped with the text "HDPE" (meaning that the material is High-density polyethylene) and a resin number ...
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1answer
3k views

What compounds exist in the bitter peel of specific fruits?

Actually, my original question was: What makes a pith of pomegranate so bitter? Then I decided to be more generic. You'll hardly find someone that consumes pomegranate and doesn't nag about the bitter ...
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2answers
2k views

What defines an element's taste?

A useful post by @Martin indicated that probably the naming of Sweetwater town is because of the sweet tasting lead compounds in it's water. Then my question arose. I know that the taste of any ...
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1answer
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Is Sweetwater, Missouri, named due to water contamination with lead compounds?

The town of Sweetwater, Missouri is known for its mineral resources, particularly rich lead sulfide (galena) deposits. I am curious to find the origin of the name "Sweetwater" and if it has any ...
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6answers
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Do all salts taste salty?

Recently, I am learning the production of soluble and insoluble salts. My friend and I have done this experiment at the school lab. We wanted to taste them to see whether they are salty are not. The ...
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1answer
151 views

Are there any papers linking the bad taste of orange juice after toothpaste to sulfates?

Wikipedia states: After using toothpaste, orange juice and other juices have an unpleasant taste. This effect is attributed to products of the chemical reaction between stannous fluoride in ...
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2answers
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Would dissolving a salt and letting it sit for 48 hours have an effect on the solution?

If one were to dissolve magnesium citrate (about $100~\mathrm{mg}$) in water (about $70~\mathrm{ml}$) and let the solution sit for 48 hours, would the solution be exactly the same as one dissolved and ...
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3answers
6k views

Why does meltwater taste different?

I've noticed that water obtained from melting ice cubes (by keeping them in the open) tastes different from water cooled to the same temperature. Furthermore, the taste goes away if you keep it in ...
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Silver and milk (or milk products)

In the title I am refering to silver spoons, which, when used to consume milk products (like yogurt), get a weird taste. It could be described as umami/meaty, a little bit like onions. I came to the ...