How do you make tea extract?

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asked May 26 in Other-Food Drink by monasepor (1,060 points)
How do you make tea extract?

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answered May 27 by Niddletwin (3,380 points)
To make tea extract.

Combine the tea with the mineral water.
Steep the tea at room temperature for 1 hour.
Pour the tea into the lidded container, straining the tea as you pour.
Refrigerate the covered tea extract.
Discard the loose tea or tea bags.

Tea gets darker as it sits because of oxidation of the tea.

Oxidation is the natural process by which enzymes in the tea leaf are exposed to oxygen in the air.

What then happens is a chemical reaction where leaves turn progressively darker as their chlorophyll breaks down and tannins are released.

Tea can turn green naturally as a result of the reaction of extracting the good stuff from the tea leaves and diluting it in water works.

Almost all green tea will end up brewing a sort of yellowish green, or a light amber, or even a light brown color.

Green tea also turns red because of oxidation.

If you buy some green tea and it is exposed to oxygen for too long, it can oxidize right there in the container.

The oxidized tea is safe to drink although it may not look very good.

Old tea can make you sick if the old tea contains mold or has spoiled once brewed.

However old tea that is still in the teabag should not make you sick although it may not taste as good as fresh tea bags.

You can tell if tea is moldy by looking at it.

Tea that has become moldy will have either green or gray mold spores growing in the tea and if so you should throw the tea out.

The fungi type that's most likely found in iced tea and brewed tea comes from the Aspergillus group.

Although Aspergillus is relatively common both inside and outdoors, most people inhale fungal spores daily.

It's unlikely that you'll be able to avoid inhaling spores from this mold.

To cold brew tea.

Place tea bags in the bottom of a large container or glass pitcher.

Pour in room temperature or cold water.
Cover the container/pitcher and refrigerate. Steep for 8-12 hours.
Remove the tea bags and discard.
Serve tea over ice with fresh lemon slices and sweetener of your choice.

Iced tea will last for up to 5 days in the refrigerator as long as it's kept sealed.

If not sealed the iced tea will usually only last for 3 to 4 days.

Tea bags should steep for up to 5 minutes.

The longer you leave the tea bag to steep the stronger the tea will become.

Steeping tea too long can be bad as it can increase the Caffeine in the tea which leads to the tea becoming bitter or sour tasting.

So you don't want to over steep the tea.

Steeping tea usually takes between 3 to 5 minutes which is enough time to make good tea.

Tea gets sour and spoils due to heat, humidity and air which then leads to bacteria growing in the brewed tea.

To keep your tea from souring you should keep it refrigerated if not drinking or serving the tea within a few hours.

Tea can also get sour taste when brewing it as a result of steeping or brewing it too long or because of too many tannins in the tea.

You can get sick from drinking old tea if the old tea has gone sour.

However it's safe to use old tea bags as long as they have no mold growth on them.

But sour tea if you drank it would likely just cause a bad taste in your mouth and possibly stomach cramping and stomach ache.

Tea does go sour.

As tea sets out at room temperature bacteria begins growing in the tea which turns the tea sour although it usually takes 12 hours of tea sitting out at room temperature for it to really get sour.

However it's best to refrigerate tea if not drinking it within a few hours to keep it from growing bacteria.

If you drink rotten tea the most that usually happens if you get a stomach ache, maybe vomit, and a bad taste in your mouth.

If the tea is really bad then you likely won't want to drink it anyway but if it was just a little sour then it may just hurt your stomach a little.

Bacteria can grow in tea.

When tea sets out at room temperature for too long it goes sour.

The sour tea is growing bacteria which is making it sour and if you have soured tea then it should be dumped out.

If you do happen to drink a bit of sour tea then you will likely be fine although you may get an upset stomach.

Tea leaves may be contaminated with coliform bacteria.

If iced tea is brewed at inadequate temperatures or in an improperly cleaned urn, or if it is stored for too long, it may grow coliform bacteria, most frequently Klebsiella and Enterobacter, and less commonly E. coli.

Tea that has been sitting around for way too long is also referred to as overnight tea as well.

When tea sits around for too long, a substance called TP (tea polyphenol) that it contains will start to oxidise, this darkens the tea.

In most cases, old tea will simply be less flavorful than it should be, and taste dull or stale.

While old tea isn't usually dangerous to consume, it's definitely a less than ideal tea drinking experience.

If your tea tastes like it's gone bad or if you spot visible mold or other signs of decomposition, steer clear.

Brewed tea will slowly lose its complexity of flavor if left at room temperature for more than a few hours.

The tea will eventually sour if left for more that 12 hours.

It varies a lot among tea types, some will be fine for at 24 hours.

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