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MORTAR & KETTLE
Apothecary of Flavor
HERBAL TEA · №008

Digestive Mint Tea

a cooling after-meal settle

A warming simmer of ginger and star anise met by a cooling rush of fresh mint and the soft chamomile hush. This is the tea you reach for when a meal sits heavy. It settles the stomach and clears the palate, warmth beneath and coolness above.

Easy8 minForgiving
MintyHerbaceousDigestiveCooling
Digestive Mint Tea · finished

Method

Check off each step as you go. Your progress is saved. Amounts below already match your batch size.

Simmer the ginger and star anise in the water.
1 gfresh ginger0.05 gstar anise300 mlfiltered water
3 min
Take off the heat and add the mint and chamomile.
10 leavesfresh mint0.5 gchamomile flowers
Steep, covered, then strain.
5 min
A good steep is chemistry with the kettle on. Mind the minutes.
THE MORTAR & KETTLE METHOD

The chemistry

SKELETAL STRUCTURES

4 compounds carry this recipe. Here is what each one does and, where we have it, what it actually looks like.

C₁₇H₂₆O₄
gingerol
C₁₇H₂₆O₄

The pungent warmth of fresh ginger; it stimulates gastric motility and eases the after-meal heaviness at the heart of this tea.

HerbaceousDigestive
C₁₀H₂₀O
menthol
C₁₀H₂₀O

The cool breath of fresh mint; it triggers the body's cold receptors and gives the tea its clean, palate-clearing finish.

MintyCooling
C₁₀H₁₂O
anethole
C₁₀H₁₂O

The sweet-anise note from a pinch of star anise; a traditional carminative, it calms the gut and rounds the ginger's bite.

HerbaceousDigestive
C₁₅H₂₆O
α-bisabolol
C₁₅H₂₆O

The gentle floral balm of chamomile; it soothes the stomach lining and softens the tea's warming edge into calm.

HerbaceousCooling

On the table together

THE INDEX, LINKED

This recipe is part of a set: follow the thread through the blends it uses and what it's served with.

FROM THE JOURNAL

The reading behind this recipe

What to boil, what to steep, and the rule that was never tested
№30Chemistry

What to boil, what to steep, and the rule that was never tested

Roots and barks get boiled, leaves and flowers get steeped. Every herbal tradition says so and the European Medicines Agency prints it as guidance. I went looking for the measurement underneath it and could not find one. Here is what the four methods actually do, and where the received wisdom holds.

11 August 2026·14 min read·19 SOURCES
Nobody has measured what is in a ginger shot
№19Safety

Nobody has measured what is in a ginger shot

A pharmacist in Buxton named the molecule in 1879 after boiling down twenty-eight pounds of the stuff. Since then we have learned that drying ginger does not weaken it but changes the molecule, that it works the same receptor as chilli, and that the one thing ginger is genuinely good for has never been tested in the form everyone drinks.

5 August 2026·14 min read·29 SOURCES
The spice that fed a drug factory
№08Safety

The spice that fed a drug factory

Star anise was once the world's main industrial source of shikimic acid, the starting material for Tamiflu. It does not follow that star anise treats flu, and there is a poisonous look-alike worth knowing about.

31 July 2026·7 min read·9 SOURCES