OPEN TOOL · PROFESSIONAL BETA IN PREPARATION

Describe precisely,
then investigate process

The open edition provides 23 foundational terms across six sensory dimensions. Full distinctions, observation guidance, source locators and revision records are being prepared for the professional beta.
Open tool

The open edition provides 23 foundational terms, six high-frequency triage paths and every current stop-use safety notice; it is not complete coverage of standards, tea types, machinery or regional practice.

23 termsOpen a card for basic applicability
EvenEven

Dry leaves in the lot are reasonably consistent in size, length and thickness.

Dry-leaf shapeDescriptor
Applies to
General
NeatNeat

Dry leaf is even and clean, with little stalk, coarse leaf or other extraneous matter.

Dry-leaf shapeQuality trait
Applies to
General
Tight and heavyTight and heavy

Leaf is tightly rolled with a substantial feel; for compressed tea it may also describe relatively high compression density.

Dry-leaf shapeDescriptor
Applies to
General
Coarse and loosely rolledCoarse and loosely rolled

Strip-shaped tea lacks rolling tightness and appears coarse or loose, sometimes with conspicuous loose strands within the lot.

Dry-leaf shapeFault term
Applies to
General
BloomBloom

Dry leaf colour looks lively and carries a good natural lustre.

Dry-leaf colourQuality trait
Applies to
General
Even colourEven colour

Dry-leaf colour is reasonably even and consistent within the lot.

Dry-leaf colourQuality trait
Applies to
General
Dull and lifeless dry colourDull and lifeless dry colour

Dry leaf lacks lustre and liveliness, appearing grey, dull, lifeless or visually flat.

Dry-leaf colourFault term
Applies to
General
Scorched spotsScorched spots

Local blackened spots or heat-scorched marks occur on dry leaf, often at tips, edges or heating hot spots.

Dry-leaf colourFault term
Applies to
General
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ClearClear

The liquor appears clean and transparent, with little suspended matter.

LiquorQuality trait
Applies to
General
BrightBright

The liquor is clean and reflects light strongly, giving a lively appearance.

LiquorQuality trait
Applies to
General
CloudyCloudy

Suspended material reduces transparency; interpretation depends on tea type, leaf particle size, temperature and standing time.

LiquorContext dependent
Applies to
General, Black tea
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Clean and refreshing aromaClean and refreshing aroma

A fresh, clean aroma without evident taint.

AromaQuality trait
Applies to
General, Green tea, Oolong tea
Flowery aromaFlowery aroma

A pleasant aroma reminiscent of flowers; in oolong and black tea it may reflect cultivar and suitable processing together.

AromaDescriptor
Applies to
General, Oolong tea, Black tea
Grass odourGrass odour

A noticeable grass or green-leaf odour; whether it is a fault depends on tea style, intensity and accompanying traits.

AromaContext dependent
Applies to
General, Green tea, Oolong tea, Black tea, Dark tea
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Over-fired aromaOver-fired aroma

Excessive effective heat or duration during drying or roasting produces a pronounced toasted or rice-crust-like aroma.

AromaFault term
Applies to
General, Green tea, Oolong tea, Black tea
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Foreign odourForeign odour

An external odour outside the normal product profile, potentially from smoke, oil, chemicals, packaging or mixed storage.

AromaFault term
Applies to
General
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Mellow and thickMellow and thick

A harmonious, mellow entry combined with substantial body and aftertaste.

Taste & mouthfeelQuality trait
Applies to
General
AstringentAstringent

A drying, contracting or rough oral sensation; record its intensity, dissipation and balance with other tastes.

Taste & mouthfeelContext dependent
Applies to
General
Grassy and astringentGrassy and astringent

Astringency accompanied by a raw green taste, with insufficient overall harmony.

Taste & mouthfeelFault term
Applies to
General, Green tea, Oolong tea, Black tea
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Mouldy tasteMouldy taste

A mould-like odour or taste that may arise from moisture and abnormal fungal growth; it signals a storage and safety problem.

Taste & mouthfeelFault term
Applies to
General
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Soft infused leafSoft infused leaf

The infused leaf feels soft and settles against the tray after gentle pressure.

Infused leafDescriptor
Applies to
General
Red stalk and leafRed stalk and leaf

Unintended reddening of stalk and leaf in the infused leaf of green tea.

Infused leafFault term
Applies to
Green tea
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Mixed green leafMixed green leaf

Black-tea infused leaf shows uneven reddening with green strips or patches remaining.

Infused leafFault term
Applies to
Black tea
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