8592: A More Heavily Fermented Ripe Recipe
If you're looking for a ripe pu'er with a dark liquor and a full mouthfeel that drinks with "weight," many people will point you to 8592. It was born the same year as 8582, one raw and one ripe, like a pair of brothers.
Is 8592 Raw or Ripe?
Ripe. The Dayi Group's chronology says that in 1985 it successfully developed the 8582 raw cake and the 8592 ripe cake. Reading it by the recipe code rules:
| Digits | Number | Meaning |
|---|---|---|
| 1st–2nd | 85 | A 1985 recipe |
| 3rd | 9 | Mainly grade 9 material, on the sturdy side |
| 4th | 2 | Menghai Tea Factory |
Like other codes, 8592 is a recipe code; check the date or batch number on the package for the actual production year. The coding rules are in 7542, 8582, 7572: The Stories Behind Pu'er's Classic Recipes.
What Makes 8592 Distinctive
Sturdy material. Grade 9 material is mainly mature leaves, with few buds and large leaves. Sturdy leaves contain more pectin and polysaccharides, which readily bring out sweetness and thickness after wodui.
Heavier fermentation. The tea world widely describes 8592 as more heavily fermented: the liquor is a deep reddish brown, a little less translucent than 7572, and the aroma is mainly aged, jujube, and woody notes, very settled once the pile taste fades.
Thick and smooth. Smooth on entry with a full-bodied liquor, very little bitterness or astringency, and a low, deep kind of sweetness.
Long-lasting, good for boiling. Sturdy material lasts through many infusions, 10 or more in a gaiwan, and 8592 aged a few years is also great boiled in a pot.
Light and heavy fermentation are fully compared by liquor color, aroma, and spent leaf in Fermentation Levels in Ripe Pu'er.
8592 and Hong Kong
Like 8582, 8592 is often said to be linked to a commission from Hong Kong tea merchants, but the versions differ:
- One account: in the 1980s, Hong Kong's Nam Tin Trading Company commissioned the 8582 raw tea from Menghai Tea Factory, and 8592 was a regular ripe cake of the same period.
- Another account: what Nam Tin actually commissioned was 8592, or both at once.
- The official chronology only says 8582 and 8592 were developed in 1985, with no mention of a commissioning client.
The more certain background is that in the 1980s, Menghai's qizi bing circulated widely through Hong Kong, and Hong Kong teahouses had long served ripe pu'er, favoring tea with a dark liquor, good staying power, and an honest price. A full-bodied ripe tea like 8592 fit that market perfectly. For the history of Hong Kong and pu'er, read Hong Kong Teahouses and Pu'er.
Choosing Between 8592 and 7572
| 7572 | 8592 | |
|---|---|---|
| Recipe year | 1975 | 1985 |
| Material | Mainly grade 7, middle | Mainly grade 9, sturdy |
| Fermentation | Medium | Heavier |
| Liquor | Deep red and bright | Deep reddish brown |
| Mouthfeel | Mellow, sweet, balanced | Thick, smooth, settled |
| Best for | Getting to know what ripe pu'er is basically like | Drinking something stronger and fuller, or boiling |
Neither is better; they suit two different preferences:
- If you like a bright red liquor with clear layers that drinks a little lighter, you'll lean toward 7572.
- If you like a dark liquor, a thick, smooth mouthfeel, and a settled aged aroma, you'll lean toward 8592.
- If you often boil tea in winter or like sipping slowly from a large mug, 8592's body holds up well.
7572 is introduced in 7572: The Benchmark for Ripe Tea.
How to Brew 8592
- Gaiwan: about 7 grams in 110 ml, boiling water at 100°C, and rinse once or twice to let the compressed leaves open.
- First few infusions: pour off at 10–15 seconds, then gradually lengthen in the later infusions.
- Boiling: 5–8 grams in 1,000 ml of water. Once it boils, simmer over low heat for 3–5 minutes for a darker, thicker liquor.
If the liquor is too dark or tastes stuffy, use less leaf or shorten the time. See How to Brew Ripe Tea.
Storing 8592
More heavily fermented ripe tea is already very stable when it leaves the factory, and storing it for a few years mainly lets the pile taste fade and the liquor become cleaner. Kept somewhere clean, ventilated, and odor-free at a relative humidity of about 55%–70%, it holds a clean aged aroma better than in a damp place. For thinking on storing ripe tea, see Should Ripe Tea Be Aged?
FAQ
What does the "9" in 8592 mean? The third digit stands for the grade of the main material; 9 means it's mainly sturdy grade 9 leaves.
How are 8592 and 8582 related? Both are recipes developed by Menghai Tea Factory in 1985: 8582 is raw and 8592 is ripe.
Was 8592 commissioned from Hong Kong? Accounts differ. Some say Nam Tin commissioned 8582, others say 8592; the official chronology only says it was developed in 1985.
Does 8592 have a strong pile taste? Young tea may have some. Keeping it for 1–2 years, or rinsing an extra time when brewing, usually makes it much cleaner.