Tea Comparisons

Last updated: September 2026

Orthodox tea tastes smoother than CTC tea because CTC extracts more of the specific catechins linked to bitterness — not because it extracts less overall. One trial found CTC transfers 25.8% more catechins into the cup than orthodox rolling, yet trained tasters still rated it lower. Every Nepal Hills tea is orthodox, hand-rolled, for exactly this reason.

Start with the Tea Sampler Kit ($30 CAD) to taste orthodox processing across all four tea types at once: 10 teas, farms across Ilam and Taplejung between 5,000 and 6,000 ft, every one of them naturally free of bitterness. Try the Tea Sampler Kit and taste the difference for yourself.

What's the Difference Between Orthodox and CTC Tea Processing?

Orthodox processing rolls and twists withered tea leaves on specially designed rollers, rupturing the cell walls just enough to release flavour compounds while keeping the leaf mostly intact — a gentler process that produces "teas with good flavour and aroma," in the words of the tea-research literature. CTC — crush, tear, curl — does the opposite: withered leaves pass between two rollers rotating in opposite directions that macerate them completely into a powdery mass tea scientists call "cut dhool." Enzymatic activity runs higher during CTC fermentation because so much more of the leaf's interior is exposed all at once. That single mechanical difference — how thoroughly the leaf gets torn apart before fermenting and drying — is the root of almost every taste difference between a cup of loose-leaf orthodox tea and a standard tea-bag CTC blend. CTC exists because it's fast, cheap, and produces a strong, quick-brewing cup for mass-market tea bags; as of 2007, it already held roughly 80% of the entire world tea market, which is a large part of why "tea" and "a little bitter" get used in the same sentence so often.

Does CTC Tea Actually Have More Antioxidants Than Orthodox Tea?

Yes, measurably — which surprises most people who assume "gentler processing" means more of everything good. In a controlled trial that split the same rolled leaf material from eleven tea cultivars into CTC and orthodox portions and processed both under otherwise identical conditions, the CTC step increased average total polyphenol transfer into the infusion by 13.3%, average total catechin transfer by 25.8% (versus 18.3% for orthodox), and water-extract content by 17.12%. CTC's brutal, total maceration ruptures far more of the leaf's cell structure than orthodox rolling ever does, and more ruptured cells means more compounds dissolve into the cup faster. On paper, by raw antioxidant transfer alone, CTC tea should be the "healthier" cup. In practice, that's not how the tasting panel scored it — which is where the real story is.

Why Does CTC Tea Taste More Bitter If It Extracts More?

Because the specific compounds CTC extracts more efficiently — gallated catechins like EGCG and ECG — are the ones most strongly correlated with astringency and bitterness, not the antioxidants in general. In that same eleven-cultivar trial, a nine-member trained sensory panel scored CTC green tea infusions between 6.1 and 8.0 for overall acceptability, while orthodox infusions from the identical starting leaf scored higher, 6.5 to 8.6. The panel's astringency and bitterness ratings correlated strongly with gallated-catechin concentration (R² = 0.89 and 0.72–0.78) — meaning the same aggressive extraction that pulls in more total antioxidant content also pulls in disproportionately more of the exact compounds that make a cup taste harsh. More extraction isn't automatically better tea. It's just more extraction, and what gets extracted matters as much as how much.

Why Does Nepal Hills Tea Process Every Tea the Orthodox Way?

Because no bitterness is the entire point, and orthodox rolling is the mechanical reason it's achievable without cutting corners on flavour. Gold Black Tea ($20 CAD/50g), from Farmers Tea Co., Malate, Ilam, at 5,500 ft — a certified organic farm — is orthodox hand-rolled into smooth malt, light caramel, and honey sweetness, naturally free of bitterness, best brewed at 90°C for 3 minutes; it's the tea recommended most often to coffee drinkers switching over precisely because orthodox rolling gives it body without harshness. Ruby Black Tea ($10 CAD/25g), from Sandakphu Tea Estate, Ilam, at 5,000–6,000 ft — also certified organic — is orthodox hand-rolled into dark cherry, cocoa, and a velvet mouthfeel, no bitterness, brewed at 90–95°C for 3–4 minutes. "We don't machine-macerate any of our tea," says Bhaskar Dahal, founder of Nepal Hills Tea. "Every leaf gets rolled, not shredded. It costs more and takes longer, but it's the difference between a tea you can oversteep by accident and one you can't."

How Can You Tell If a Tea Is Orthodox or CTC Before You Buy It?

Look at the leaf, not the label — orthodox tea is sold as whole or lightly broken leaves you can actually see the shape of, while CTC tea is small, uniform, granular pellets, which is exactly what most tea-bag tea is made from because those pellets brew fast and consistently in a bag. If a tea is loose-leaf and you can make out individual twisted or curled leaves, it's almost certainly orthodox. If it's a fine, gravel-like granule — the kind that fills a standard supermarket tea bag — it's CTC. Steep time is a tell too: CTC tea typically needs only 2–3 minutes to fully extract because there's so little leaf structure left to slow the process down, while orthodox tea can steep 3–5 minutes and still stay smooth, since the leaf releases its compounds more gradually. That forgiveness — the ability to oversteep without disaster — is itself a byproduct of gentler, orthodox processing.

Frequently Asked Questions

What's the difference between orthodox and CTC tea?
Orthodox tea is rolled on rollers that twist and partially rupture the leaf, keeping it mostly intact. CTC (crush-tear-curl) tea is passed between rollers that fully macerate the leaf into small granules. The difference in how much the leaf is broken apart is the root cause of most taste differences between the two.

Is CTC tea lower quality than orthodox tea?
Not lower in antioxidant content — a controlled trial found CTC actually transfers more catechins and polyphenols into the cup. But a trained sensory panel still rated CTC infusions lower in overall acceptability, correlating the extra bitterness and astringency with the specific catechins CTC extracts more aggressively.

Why does CTC tea taste more bitter than orthodox tea?
Because CTC's total leaf maceration extracts disproportionately more gallated catechins (like EGCG and ECG), and sensory studies found these compounds correlate strongly (R² = 0.89) with bitterness and astringency ratings. Orthodox rolling extracts fewer of these specific compounds, even though total extraction is slower overall.

Are tea bags always CTC tea?
Most standard tea bags use CTC tea because its small, uniform granules brew quickly and consistently in a bag — but not every tea bag is CTC, and not every CTC tea is bagged. Loose-leaf, whole-leaf tea is almost always orthodox.

Does Nepal Hills Tea sell any CTC tea?
No — every Nepal Hills Tea product, from Gold Black Tea to the Floral White Tea, is orthodox hand-rolled, never CTC. It's a deliberate choice tied directly to the no-bitterness standard the whole brand is built around, and it's part of why the leaf looks and steeps the way it does.

How can I tell if loose-leaf tea is orthodox before buying it?
Look at the leaf: orthodox tea shows visible whole or lightly broken, twisted leaves, while CTC tea is uniform, fine granules. If a seller can't show you the leaf or describes it only as "fine cut" or "fannings" without more detail, ask directly which processing method was used.

Bhaskar Dahal is the founder of Nepal Hills Tea, a Canadian direct-trade specialty tea company sourcing single-origin loose-leaf teas from Ilam and Taplejung, Nepal.

Related reading:

• The Chemistry of Tea: What Makes Tea So Special?
• Catechins in Tea: The Antioxidants Behind Every Cup
• Switching from Coffee to Tea: What Actually Changes?