Gui Hua Xiang

Where it grows

The districts recorded against this tea, all of them in China. Elevation is given as the band the district is recorded at, not a measurement of the garden this leaf came from.

• Phoenix Mountain — 400–1400 metres

  How firm this is: Inferred from general knowledge of the district rather than measured or taken from a source that states it.

The plants it is made from

Cultivar is the level below the variety group: a named selection of the tea plant, propagated as clones from one parent. Most consumer writing stops at the country and the category, which leaves out the layer that decides how the leaf behaves before anyone picks it.

• Gui Hua Xiang — Camellia sinensis var. sinensis

  A sweet, warm floral aroma without the sharpness of the orchid types. Like all Dan Cong material it is grown on tall, widely spaced, unpruned or lightly pruned bushes rather than in a plucking table, which is part of why the tea is expensive.

How it is made, in order

Read top to bottom: the list is the production sequence, and the sequence is what makes this tea its category rather than a neighbouring one. The same leaf from the same bush becomes a green tea or a black tea depending on where the heat falls relative to the bruising, so reordering these steps would not vary the tea — it would produce a different one.

1. 1. Withering — Reduces water content, softens the leaf for later handling, and permits early enzymatic and aromatic development.
2. 2. Bruising (shaking) — Ruptures cells selectively at the leaf margin, initiating localised enzymatic oxidation while the leaf centre remains unoxidised.
3. 3. Oxidation — Allows polyphenol oxidase to act on leaf polyphenols after cell rupture, converting them into the larger coloured compounds that give oxidised tea its colour and body.
4. 4. Kill-green (fixation) — Denatures polyphenol oxidase and related enzymes, arresting enzymatic oxidation.
5. 5. Strip rolling — Twists leaf lengthwise into open strips, rupturing cells while leaving the leaf largely extended.
6. 6. Drying — Reduces residual moisture to a level at which enzymatic, microbial and oxidative change effectively stops, stabilising the leaf for storage.
7. 7. Charcoal roasting — Applies low, even radiant heat over long periods with rest intervals, driving off moisture and transforming leaf compounds progressively.

The route it is made by

The steps above are what happens; this is the named production route they belong to, with the other teas made the same way.

• Roasted strip oolong — The same oolong front end, then a tail nothing else has: dry, hand-pick the stalk, roast, rest for months, roast again — a manufacture measured in seasons.

  Where it is practised: The Wuyi cliffs of northern Fujian above all, with the same construction used for the roasted Anxi styles, for traditional Dong Ding, and for the Phoenix mountain single-bush teas of Guangdong, which run it with a much longer standing rest.

What its chemistry turns on

Every true tea contains caffeine, catechins and amino acids, so listing them would say nothing about this one. What differs is what the processing above does to them — and that is the same list of steps, read for its chemistry instead of its craft.

• Withering
  • creates Geraniol
  • creates Linalool
  • creates Linalool oxides
  • creates Theasinensins
  • raises Methyl salicylate
  • raises Nerolidol
  • raises Soluble sugars
  • lowers cis-3-Hexenol
  • lowers Green-leaf volatiles
  • lowers Leaf lipids
• Bruising (shaking)
  • converts Leaf lipids
  • creates Theasinensins
  • raises Indole
  • raises Jasmine lactone
  • raises Linalool
  • raises Nerolidol
• Oxidation
  • converts Carotenoids
  • converts Catechins
  • converts ECG (epicatechin gallate)
  • converts EGC (epigallocatechin)
  • converts EGCG (epigallocatechin gallate)
  • converts Epicatechin
  • converts Linalool
  • creates Beta-damascenone
  • creates Beta-ionone
  • creates GABA (gamma-aminobutyric acid)
  • creates Linalool oxides
  • creates Tea cream
  • creates Theaflavins
  • creates Thearubigins
  • raises 2-Phenylethanol
  • raises Geraniol
  • raises Nerolidol
  • lowers Anthocyanins
  • lowers Theogallin
• Kill-green (fixation)
  • locks 2-Phenylethanol
  • locks Anthocyanins
  • locks Catechins
  • locks cis-3-Hexenol
  • locks Green-leaf volatiles
  • locks L-theanine
  • locks Leaf lipids
  • locks Methylated catechins
  • locks Theogallin
• Drying
  • creates Strecker aldehydes
  • raises Beta-damascenone
  • raises Thearubigins
• Charcoal roasting
  • creates Epimerised catechins
  • creates Melanoidins
  • creates Pyrazines
  • raises Guaiacol
  • lowers Geraniol

These are statements about the leaf and the cup. What any of these compounds does in a body is a different kind of question and is not answered here or on the pages linked from it.

Brewing

• Gongfu brewing (gaiwan)

  5–6 g/100 ml · 95–100 °C · 6 authored infusions

  Needs: Gaiwan

  Open in the brew assistant

• Western brewing (teapot or mug)

  1.5–2.5 g/100 ml · 90–95 °C · 2 authored infusions

  Needs: Western teapot

  Open in the brew assistant

• Flash-chilled iced tea

  2.5–4 g/100 ml · 92–100 °C · 1 authored infusion

  Needs: Glass teapot

  Open in the brew assistant

• Chaozhou gongfu brewing (three cups)

  8–13 g/100 ml · 96–100 °C · 8 authored infusions

  Needs: Unglazed clay teapot (non-Yixing), Tasting cup, Tea tray (cha pan), Kettle

  Open in the brew assistant

When the cup goes wrong

Written against oolong as a category rather than against this tea in particular, and worked back from the symptom to the likely causes in order. 18 apply to the category; the first 6 are shown.

• Every infusion in my gongfu session tastes the same — The cups are pleasant and interchangeable, with none of the change from steep to steep the method is supposed to show.
• My clay pot has changed how the tea tastes — A tea that tasted right in porcelain comes out muted, differently scented, or carrying something that was not in the leaf.
• My cold brew tastes like faintly flavoured water — After a night in the fridge the jug is pale and tastes of very little, with none of the sweetness cold brewing is supposed to give.
• My first infusion is always the worst one — The opening cup is thin, dusty or flat, and the second is markedly better — consistently, across different teas.
• My gaiwan is too hot to hold — The rim and lid become uncomfortable within seconds, the pour is rushed, and tea ends up on the tray.
• My gongfu brewing falls apart when I have guests — Sessions that work perfectly alone become chaotic with three or four people: the tea is inconsistent, the pours are rushed, and the cups arrive at different strengths and temperatures.

Every diagnosed brewing problem

If you like this

Grouped by why they were suggested, strongest reason first. Nothing here is a blended score — a suggestion appears under the best reason that exists for it, and never under a weaker one as well.

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