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Tagged: ctc

Article · Grades & Processing

The Garden's Mark: How to Read the Auction Room to Find Good Assam

A grade tells you the leaf size, not the cup. The garden's mark does: read year after year at the Guwahati auction by buyers who taste before they bid, it is the trade's running verdict on how one estate's tea actually drinks, and it is the best shopping tool a drinker has for seeking out Assam worth buying.

2026-06-27
Article · Grades & Processing

CTC vs Orthodox: Two Ways to Make Assam

Assam is processed two ways. CTC (crush, tear, curl) makes the brisk, strong granules behind most tea bags and builders' tea. Orthodox keeps the leaf whole for a more nuanced cup. Here is how they differ, why the chemistry diverges, and when to reach for each.

2026-06-24
Article · Estates & Terroir

TV1 to TV31: The Clones That Built Modern Assam

Almost no Assam garden grows tea from seed anymore. Since 1949, Tocklai's breeding station has released a numbered line of clones, TV1 to TV31, and they now cover most of the valley. Here is what a clone is, why the industry switched, and what got lost along the way.

2026-06-16
Article · Brewing

The Cloud in the Cup: Tea Cream as a Strength Test

A strong Assam left to cool turns cloudy, sometimes almost jelly thick. It is not spoiled tea. It is caffeine and the leaf's own strongest compounds falling out of solution, and the trade has used it as a strength test since long before anyone could explain it.

2026-03-12
Article · Brewing

Assam's Caffeine, By Weight and Measure

An average cup of black tea carries about 48 milligrams of caffeine, roughly half of what a cup of coffee holds, and Assam runs toward the strong end of that range. Here is the actual lab measure of Assam's leaf, orthodox against CTC, what changes the dose in your cup, and the 90 to 95 percent decaffeinated version Assam's own research institute has just built.

2026-02-19
Article

The Step That Makes or Mars Every Cup of Assam

Before a leaf is ever rolled or crushed, it spends 9 to 18 hours doing nothing but losing weight in a long metal trough. Here is what withering actually does to the leaf, why CTC and orthodox want it done to different degrees, and what a factory's wither percentage really measures.

2026-02-13
Article · culture

The Assam Tea Stall Is Not a Chai Wallah

Walk up to a roadside tea shop in Assam and you likely will not get milky, spiced chai. You will get ronga saah, black tea with sugar in a small glass tumbler, and a different custom entirely from the chai wallah further west.

2026-02-06
Article · Brewing

What Your Tap Water Does to a Cup of Assam

Two households can brew the same tin of Assam, the same weight of leaf, the same boil, and still end up with two different cups. The variable is not the tea. It is the calcium and magnesium already in the water before the kettle ever gets involved.

2026-01-30
Article

Malt Is Built Late, and Separately From Color

Theaflavins and thearubigins build steadily as the leaf oxidizes. The malt note does not. It is a small family of Strecker aldehydes, stockpiled slowly during withering and mostly burned into aroma in the final heat, on its own separate clock.

2026-01-23
Guide · Brewing

Brewing Assam

The Authority's standing method for Assam: boiling water, a measured dose of leaf, and a few minutes left alone. This is the complete reference, covering water, leaf, time, milk, the second steep, CTC versus orthodox, and the test for a properly brisk cup.

Guide · Grades & Processing

Assam Tea Grades

A grade names the size of the made leaf and how much golden tip rides in it, not the flavor. The complete reference: how a tea is graded, the four sizes, the orthodox lettered alphabet, the CTC codes, and what a grade does and does not promise.

Guide · History

The History of Assam Tea

The complete record of Assam tea: the wild assamica plant noted in 1823, the British annexation that opened the valley, the first eight chests sold in London in 1839, the Assam Company, the CTC machine that put Assam in the world's tea bags, and the region that grew into the largest tea producer on earth.

Guide · Basics

Assam Tea

The canonical reference on Assam tea: the malty, brisk, full-bodied black tea grown in the Brahmaputra valley of northeast India from Camellia sinensis var. assamica. What it is, where it grows, how it is made and graded, and where it ends up.