Cup Engineering

The scan

What's new in coffee

Industry news, published research, notable bean releases and equipment launches, gathered by a weekly scan and ranked by how much they should change what you do at the brew bar. Highlighted cards are the must-reads.

AllIndustryResearchBeansEquipment|Must-reads only

Week of Sep 14, 2026

6 items

This week's biggest coffee story is business, not science: Abu Dhabi's Mubadala Investment Company is joining Luckin Coffee's controlling shareholder in a roughly $1 billion minority stake, giving Gulf sovereign capital a board seat in the chain that has grown past 36,000 stores. Uganda's Besmark Coffee signed an exclusive robusta supply deal with South Korea's GVCC as Uganda cements its position as Africa's top coffee exporter, while arabica futures slid to a 10-week low on Brazil's record 75.9-million-bag harvest. In the Democratic Republic of Congo, Pact Coffee paid a record $55.50/kg for Izuba, the country's first anaerobically fermented lot, at the Best of Congo Cooperatives auction. Appliance maker Rowan entered the espresso category with the Nova Reverie, an all-in-one grind-tamp-brew machine, and Starbucks kicked off $1 billion in North American cafe renovations. It was a quiet week for peer-reviewed coffee science — nothing cleared the bar for inclusion.

IndustryDaily Coffee News· Sep 10, 2026T4 · Press

Mubadala Takes $1 Billion Minority Stake in Luckin Coffee

Abu Dhabi's Mubadala Investment Company agreed on September 10, 2026 to join Luckin Coffee's controlling shareholder Centurium Capital in a roughly $1 billion minority investment; together the two will hold about 22.1% of Luckin on an as-converted basis, and Mubadala can nominate a board director while it holds at least 5%. Luckin has grown from 6,600 to more than 36,000 stores since 2022 and logged close to 500 million cumulative transacting customers as of June 30, 2026.

Why it matters: The year's largest coffee-chain investment shows sovereign capital backing China's discount-driven, tech-heavy coffee model, a structural shift worth watching as Luckin's scale increasingly shapes sourcing and pricing trends outside the US.

Published Sep 10, 2026 · collected Sep 14, 2026

business
IndustryBusiness Recorder· Sep 11, 2026T4 · Press

Arabica Coffee Hits 10-Week Low as Brazil's Record Crop Weighs on Prices

ICE arabica futures fell 2.65% to $2.8430/lb on September 11, 2026, touching an intraday 10-week low of $2.8355/lb, as Brazil's 2026/27 crop is now projected at a record 75.9 million bags with harvest nearly complete. Exchange-certified arabica stocks edged up to 220,452 bags as of September 9 from 218,838 a day earlier, but remain far below the 685,945 bags held at the same point last year.

Why it matters: Confirms the months-long price slide is being driven by a genuinely record Brazilian harvest rather than a temporary dip, so buyers of green coffee and bagged arabica should expect continued downward price pressure rather than a rebound.

Published Sep 11, 2026 · collected Sep 14, 2026

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EquipmentPR Newswire / Rowan Appliance· Sep 10, 2026T5 · Maker / roaster

Rowan Launches Nova Reverie, Its First Home Espresso Machine

Rowan, an appliance brand that debuted the Nova Reverie at KBIS 2026 and opened preorders in August, put the machine on general sale September 10, 2026. It combines a 1500W instant-heat boiler (about 20 seconds to temperature), a 30-setting integrated conical burr grinder, and an automatic tamper that doses and tamps into a 58mm portafilter in one workflow, aiming for a shot in under 60 seconds.

Why it matters: It's a $799-and-up all-in-one that automates grind-to-tamp, targeting buyers who want single-dial simplicity over a separate grinder-plus-machine setup.

Published Sep 10, 2026 · collected Sep 14, 2026

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IndustryCoffee Geography Magazine· Sep 8, 2026T4 · Press

Uganda Signs Robusta Export Deal With South Korea's GVCC

Uganda's Besmark Coffee Company Ltd signed an MOU with Busan-based GVCC Co. Ltd on September 7, 2026, during the Uganda-Korea Trade and Investment Meeting in Seoul, targeting about 3,500 tonnes of Ugandan robusta exports to South Korea annually. Besmark becomes the exclusive Ugandan supplier and GVCC the exclusive South Korean distributor; a first two-container consignment has already shipped, with plans to use Busan as a regional hub to re-export Ugandan coffee into Japan and Southeast Asia.

Why it matters: Opens a new distribution route for Ugandan robusta just as Uganda has overtaken Ethiopia as Africa's top coffee exporter, a supply-chain shift that feeds the robusta blends and instant coffee many drinkers rely on.

Published Sep 8, 2026 · collected Sep 14, 2026

businessgreen-coffee
BeansGlobal Coffee ReportT4 · Press

Pact Coffee Pays Record $55.50/kg for DRC's First Anaerobic Coffee Lot

At the Best of Congo Cooperatives auction (Sept 1-3, 2026) in London, UK roaster Pact Coffee outbid 63 other buyers to win Izuba, the top-scoring lot from growers at the Yetu Qahwah washing station — the first anaerobically fermented coffee produced in the Democratic Republic of Congo. The winning bid of $55.50/kg set a new price record for Congolese coffee; judges cited caramel and honey notes with a cognac-like finish. Every lot in the auction sold, with bidders from three continents.

Why it matters: It shows DRC moving beyond commodity-grade robusta and washed arabica into experimental fermentation, and Congolese lots starting to compete on price with more established East African origins.

Publication date unknown · collected Sep 14, 2026

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IndustryCNBC· Sep 10, 2026T4 · Press

Starbucks to Spend $1 Billion on North American Cafe Renovations

At Starbucks' Investor Day on September 10, 2026, CEO Brian Niccol announced roughly $1 billion in fast, overnight-style renovations to North American cafes, aimed at restoring a barista-forward, 'welcoming' coffeehouse feel as part of his Back to Starbucks reset. The company has renovated more than 1,000 stores in the past nine months and expects at least 1,500 completed by the end of its 2026 fiscal year, with thousands more planned next year.

Why it matters: Starbucks is betting its turnaround on the physical cafe experience rather than new drinks or tech, which will shape what a Starbucks visit looks and feels like for most Americans over the coming year.

Published Sep 10, 2026 · collected Sep 14, 2026

business

Week of Sep 5, 2026

21 items

Arabica futures slipped below $3/lb intraday for the first time since early August as Brazil's record harvest wrapped up and Rabobank forecast an 8.9-million-bag surplus, even while ICE-certified stocks fell to their lowest since 1999 and Colombia's post-earthquake export bottleneck kept washed lots tight. In the lab, a Warsaw group showed that pushing an espresso puck past roughly 5 bar stops increasing flow, and a Yunnan team mapped why anaerobic naturals taste busier than washed lots from the same cherries. Best of Panama's 40 winning lots go to auction on 23 September, and Sey, Presta and Intelligentsia landed notable Colombia, Yemen and Rwanda lots. On the gear side, Mahlkönig's first home espresso machine started shipping in Germany, Bosch entered semi-automatic espresso at IFA, and April put a Timemore-built hand grinder on Kickstarter.

IndustryCocoaIntel· Sep 2, 2026T4 · Press

Arabica dips below $3/lb intraday as Brazil's record harvest wraps and Rabobank calls an 8.9M-bag surplus

The ICE December arabica contract closed at 309.45 c/lb on 1 September after touching 299.20 intraday, its lowest since early August. Safras & Mercado put Brazil's 2026/27 harvest at 97% complete as of 26 August (arabica 96%), with Conab forecasting a record 66.7 million bags, and Rabobank's late-August quarterly report projected a global surplus of 8.9 million bags for 2026/27 with output near 180 million bags for the first time. The bearish picture is tempered by ICE certified stocks sitting at a 27-year low and El Nino risk to Brazil's September-October flowering.

Why it matters: After two years of deficit-driven highs, the market is pricing a Brazil-led surplus, so green and retail prices should ease into 2027 unless the flowering window fails; if you buy in bulk, there is little reason to stock up now.

Published Sep 2, 2026 · collected Sep 5, 2026

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BeansNewsroom Panama· Aug 8, 2026T4 · Press

Best of Panama 2026: 40 winning lots sealed for the 23 September online auction

The 30th Best of Panama announced its 2026 winners on 1 August: Elida Estate took Geisha Washed at 96.25 points, Lérida Estate took Geisha Natural at 95.63, Altieri Specialty Coffee won Varietals at 93.63 and Hacienda La Esmeralda won the Copa Panamá for highest accumulated score. Forty lots are now held under external audit at the Specialty Coffee Association of Panama ahead of the international electronic auction on 23 September 2026. Last year's auction set the all-time record of $30,204 per kg for an Esmeralda washed Geisha.

Why it matters: The auction sets the price ceiling for the whole Gesha market; if you want a 2026 BoP lot, watch roasters like Proud Mary, Archers and Onyx in October to December when the winning lots ship.

Published Aug 8, 2026 · collected Sep 5, 2026

competitionpricesvarietiesgreen-coffee
ResearchPhysics of Fluids· Jun 23, 2026T1 · Peer-reviewed / standard

Above roughly 5 bar, pushing harder on an espresso puck stops increasing flow

A University of Warsaw soft-matter group (Waszkiewicz, Lisicki and colleagues) instrumented a café-grade espresso machine and measured flow through pucks across a range of pump pressures. Up to about 5 bar the bed behaved like an ordinary porous medium (flow proportional to pressure), but above that the flow rate flattened and then fell as pressure rose: once the soluble fraction has dissolved (roughly 30-40 s in), the remaining bed is a poroelastic solid that compacts under load, and its permeability drops faster than the extra pressure can compensate. A minimal model reproduces the non-linear pressure-flow curve and the time evolution of flow during a shot. Caveat: one light-to-medium roast Brazilian coffee, one machine setup; the paper models flow and soluble concentration, not sensory outcome.

Why it matters: If your shots choke or run slow, cranking pressure above 6 bar is unlikely to help and may make the bed compact further; grind, dose and lower pressure profiles are the levers, which supports the trend toward 6-bar and declining-pressure espresso.

Published Jun 23, 2026 · collected Sep 5, 2026

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EquipmentBosch Home Appliances· Sep 2, 2026T5 · Maker / roaster

Bosch enters semi-automatic espresso with the HomeCafé Series 4 at IFA 2026

Bosch's first portafilter machine, shown at IFA Berlin (4-8 September 2026): an integrated, removable anti-static grinder with 30 grind settings and five dose presets, a 58 mm stainless-steel portafilter, a thermoblock with PID control adjustable from 90 to 96 C in 2-degree steps, and a 15-bar pump. German retail listings identify it as model PFE401C3 at 1,149 EUR with availability from September 2026; Bosch says a rollout across Europe, the UK and the US follows, without dates. No brew-pressure (OPV) figure or steam specs were published.

Why it matters: A mainstream appliance brand is going straight at the Breville Barista Express segment with a 58 mm basket and 2-degree PID steps, which widens the grinder-integrated entry tier; until someone measures actual brew pressure and thermoblock recovery, treat the 'barista-quality' claim as marketing.

Published Sep 2, 2026 · collected Sep 5, 2026

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EquipmentApril Coffee (Kickstarter)· Sep 1, 2026T5 · Maker / roaster

April Coffee and Timemore put the April Hand Grinder 01 on Kickstarter

Copenhagen roaster April (Patrik Rolf) launched its first grinder on Kickstarter on 1 September 2026: an all-metal hand grinder manufactured by Timemore around a custom 48 mm 'April Gen1' conical burr set, with an external adjustment collar and a thumb rest, tuned for filter clarity to pair with the April Brewer. Daily Coffee News reports post-campaign retail at 2,500 DKK (approx. US$388) through April's own shops, with backer deliveries starting this autumn and finishing by the end of January 2027. Backer pledge tiers were not visible to us (Kickstarter and press pages blocked), so treat the $388 as the retail reference.

Why it matters: A filter-first burr geometry from a roaster known for competition-style pour-over, at Comandante-plus pricing; April has no hardware track record (Timemore does), so wait for particle-distribution data before backing rather than buying on brand.

Published Sep 1, 2026 · collected Sep 5, 2026

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IndustryDaily Coffee News· Aug 28, 2026T4 · Press

Hurricane Lala hits Ka'u and Kona coffee farms on the eve of the 2026 harvest

Hurricane Lala passed just south of Hawaii Island on 15 August, triggering a flash-flood emergency in Ka'u that washed out roads, bridges and water systems as farms were starting to pick. Some growers on the mauka side of Holualoa in Kona report losing 20% or more of their trees, mostly to larger trees coming down. A preliminary state tally put Big Island farm damage at $761,150, with 90 farms and ranches across three counties reporting $3.58 million in losses over 380 acres, and USDA has opened disaster assistance for affected producers; many Kona farms were still recovering from the March Kona-low storms.

Why it matters: Expect the 2026-27 Ka'u and Kona crops to be smaller and pricier, and give farms buying-direct a break if lot releases slip; this is the second weather hit to Hawaiian coffee this year.

Published Aug 28, 2026 · collected Sep 5, 2026

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IndustryPerfect Daily Grind· Aug 28, 2026T4 · Press

ICE-certified arabica stocks near 1999 lows while a Reuters poll sees the C price at $3/lb by year-end

Certified arabica stocks on ICE slipped to 226,242 bags in the week to 28 August, just above the November 2023 low of 224,000, and by 31 August had fallen to 223,976 bags, the lowest since 1999. The drawdown is blamed on Buenaventura port disruption after Colombia's earthquake and the slow Brazilian harvest. Separately, a Reuters analyst poll forecast arabica at around $3/lb by year-end and robusta recovering to about $3,900/tonne, and Vietnam reported January-July exports up 21.1% to 1.51 million tonnes with the average export price down 8.1% to $5,313/tonne.

Why it matters: Exchange inventories this thin make the futures curve jumpy even as the fundamental outlook softens, so expect volatility in green pricing for washed Central and South American lots for the next couple of months rather than a smooth decline.

Published Aug 28, 2026 · collected Sep 5, 2026

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BeansDaily Coffee News· Aug 26, 2026T4 · Press

Best of Congo Cooperatives puts 14 traceable DRC microlots up for auction 1-3 September

The 2026 Best of Congo Cooperatives program offers 32 coffees from eastern Democratic Republic of Congo: 14 international-winner microlots sold on the M-Cultivo auction platform from 1 to 3 September, plus 18 national winners on an offer sheet. Auction lots run from 86 to 300 kg with bids opening at $13 per kg ($5.90 per lb), and the catalogue spans fully washed, natural and anaerobic-fermentation lots, several produced by women's groups.

Why it matters: Congo remains one of the least-seen East African origins on roaster menus; lots bought here will surface as single origins in October to November, so it is a chance to taste Kivu coffees outside the usual Rwanda and Burundi rotation.

Published Aug 26, 2026 · collected Sep 5, 2026

competitiongreen-coffeesustainability
ResearchBeverage Plant Research· Jul 7, 2026T1 · Peer-reviewed / standard

Anaerobic natural processing enriches the most flavour precursors in Catimor green beans

Haohao Yu and Faguang Hu's team at the Yunnan Academy of Agricultural Sciences split one batch of Catimor cherries from Baoshan, Yunnan, into four treatments (washed, natural, anaerobic-then-washed, anaerobic-then-natural), ran untargeted metabolomics on the green beans and cupped the roasted coffee. Processing method reshaped the green-bean metabolome, and the anaerobic natural treatment showed the strongest enrichment of amino acids, nucleotides, organic acids, flavonoids and tannins; 75 metabolites (including D-mannose, D-glucose, L-lactic acid, GABA, caffeic and sinapic acid) correlated with sensory attributes and were flagged as flavour precursors. Anaerobically fermented lots scored higher than conventional ones on dry/wet aroma, flavour, aftertaste, acidity, body and balance, while washed coffee scored higher on cleanliness and lower on sweetness. Caveats: a single variety, farm and season; the article gives correlations, not causal links between named compounds and cup attributes; the journal is a newer, lower-profile title.

Why it matters: When a bag says 'anaerobic natural', expect more sweetness and body and a busier aromatic profile than the washed lot from the same farm, and treat 'clean' washed coffees as a different, not lesser, target; it also explains why anaerobic Catimor from Yunnan is turning up on specialty menus.

Published Jul 7, 2026 · collected Sep 5, 2026

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ResearchJournal of Food Engineering· Jun 1, 2026T1 · Peer-reviewed / standard

Ultrasound brews espresso-strength coffee with room-temperature water in 2-3 minutes

Francisco Trujillo's group at UNSW Sydney turned a portafilter basket into an ultrasonic sonoreactor, coupling high-intensity ultrasound directly into a loosely packed coffee bed while water percolates through it. Cavitation bubbles collapsing against the grounds pit and fracture particle surfaces, so espresso-strength concentrations are reached in 2-3 minutes without heat or 9 bar; the paper reports the ultrasonic brew used 24.3% of the energy of a conventional espresso machine (the university's press material rounds this to 'up to 75% less'). Brew ratio, grind size and sonication time were tuned, and beverages were characterised for colour, pH, caffeine and chlorogenic acids. In a blind test, 100 regular coffee drinkers could not distinguish the room-temperature ultrasonic shot from a conventional espresso, and an ultrasound-brewed filter coffee was preferred on bitterness. Caveats: a lab prototype with no consumer device; untrained consumer panel rather than descriptive analysis; the energy comparison depends on the reference machine's standby and heating losses.

Why it matters: Nothing to buy yet, but it is the clearest demonstration so far that heat and pressure are means, not ends: strength and flavour compounds can be pulled out of coffee at room temperature if you supply the mechanical energy another way, which reframes how we think about cold and low-temperature extraction.

Published Jun 1, 2026 · collected Sep 5, 2026

espressoextractiontemperatureequipmentscience
EquipmentMahlkönigT5 · Maker / roaster

Mahlkönig's first home espresso machine, the Xenia Brew-by-Sync, starts shipping in Germany and Denmark

Mahlkönig previewed the Xenia at Host Milan in October 2025 with a Q4 2025 target; the production machine, now named Xenia Brew-by-Sync, goes on sale in Germany and Denmark from 1 September 2026, with other European markets phased in through year end. It is a single-group dual boiler with four heating elements (one per boiler, two embedded in the group), triple PID, an integrated scale that stops the shot at a target in-cup weight, and Sync connectivity to the E64 WS Grind-by-Sync grinder; Mahlkönig claims roughly 50% higher steam pressure than typical home machines. Price reported at 2,999 EUR; no US date or price yet. The announcement date on Mahlkönig's page could not be verified (maker and press domains blocked), so it is left null here.

Why it matters: This is the first closed grinder-to-machine loop in a home dual boiler from a major grinder maker; if you own a Mahlkönig home grinder it is the machine built to talk to it, otherwise wait for hands-on temperature-stability and scale-accuracy measurements before paying 3,000 EUR.

Publication date unknown · collected Sep 5, 2026

espressomachinesequipment
BeansSprudgeT4 · Press

Presta Coffee Roasters releases three lots from Yemen's Al-Khanshali Estate

Tucson's Presta Coffee Roasters has released three separate lots from Al-Khanshali Estate, the Yemeni farm project started by Port of Mokha founder Mokhtar Alkhanshali after eight years working with Yemeni growers. The lots are from the 2025 harvest, sold in 4 oz bags at $30 to $40 each or as a three-lot set for $95; one lot is described as ripe pineapple and chocolate-covered strawberry opening into hibiscus with a creamy body.

Why it matters: Yemen arrives in consuming countries this quarter and estate-level, lot-separated Yemeni coffee is still very rare; the 4 oz format makes a side-by-side of three lots affordable.

Publication date unknown · collected Sep 5, 2026

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BeansSey CoffeeT5 · Maker / roaster

Sey releases its first Aji separation from William Ortiz's La Cabaña in Pitalito, Huila

Sey's 2026 Colombia line-up from William Ortiz (La Cabaña, Pitalito, Huila, 1,700 masl) now includes a single-variety Aji lot, the first time Sey has offered this rare Colombian variety from him. Cherries are floated, held overnight, de-pulped, dry-fermented for 36 hours, washed and dried on raised beds to 10.5% moisture. Sey describes the cup as rose, açaí and ripe raspberry. Sibling lots from the same farm include Chiroso, Pink Bourbon and a second-harvest Chiroso.

Why it matters: Aji is one of the few Colombian varieties with a cup as floral and fruit-driven as Gesha; this is a rare chance to compare Aji, Chiroso and Pink Bourbon from one producer and one process.

Publication date unknown · collected Sep 5, 2026

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BeansPerfect Daily GrindT4 · Press

Non-Gesha varieties are taking Cup of Excellence top spots even as Gesha dominates barista stages

Perfect Daily Grind reviews the 2026 competition season and finds a split: most finalists at the 2025 World Barista Championship and 2026 World Brewers Cup still used Gesha (often blended with other varieties), but at Cup of Excellence the winners were a Bernardina at Finca La Esperanza in El Salvador (91.95 points), a Parainema in Honduras and a washed Java in Costa Rica. Gesha still holds the most category titles overall, but locally adapted and landrace varieties are beating it on the cupping table.

Why it matters: If you buy competition lots, Bernardina, Parainema and Java are now the varieties to try; they cup at Gesha level and sell for far less at auction.

Publication date unknown · collected Sep 5, 2026

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IndustryOhio's Country JournalT4 · Press

Colombian coffee stocks stay tight after the August earthquake, with no real replenishment expected before November

Nearly a month after the magnitude 7.4 earthquake of 10 August, exports through Buenaventura, which handles roughly 60% of Colombia's coffee, remain constrained by landslide damage on the Buga-Buenaventura corridor, and the FNC has suspended much of its operations in Caldas and Risaralda, departments that produce about a quarter of the national crop. Exporters are rerouting through Cartagena, Santa Marta and Puerto Antioquia, but market commentary now expects Colombian supply to stay short until the main harvest arrives in November.

Why it matters: Fresh-crop washed Colombians will be scarcer and more expensive this autumn, so lock in favourite lots early or lean on Central American and Peruvian alternatives for a few months.

Publication date unknown · collected Sep 5, 2026

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IndustryPaulig Group· Sep 2, 2026T5 · Maker / roaster

Paulig carves out a standalone Coffee business area, with up to 55 redundancies

The Finnish roaster and food group will replace its two current business areas with three, Branded Foods, Customer Brands and Coffee, effective no later than 1 January 2027. CMO Mariell Toiger will lead the new Coffee unit. Up to 110 office and managerial positions across several countries are affected, of which a maximum of 55 may be made redundant, with CEO Rolf Ladau citing the need to stay competitive in a volatile coffee market.

Why it matters: Paulig is one of the largest roasters in the Nordics, and separating coffee out signals how much price volatility is reshaping big roasters' priorities; for consumers it is mostly a watch item for brand and range changes in 2027.

Published Sep 2, 2026 · collected Sep 5, 2026

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EquipmentGlobal Coffee Report· Aug 5, 2026T4 · Press

Macap previews the Halo, a grind-by-weight commercial flagship with automatic burr calibration

Macap disclosed its next commercial flagship, the 'Halo Model', due to launch by the end of 2026: 83 mm flat burrs driven by a brushless motor with adjustable speed from 900 to 2,000 rpm, grind-by-weight dosing, and an automatic burr-adjustment system Macap says calibrates the gap to within one micron. Claimed output is up to 8 g/s at top speed with about 15% lower energy use and less noise; the anti-clump flapper swaps without tools and the chamber opens with four screws. No price was given.

Why it matters: Motorised, self-calibrating burr gap plus variable rpm is where cafe grinders are heading and home grinders tend to follow a few years later, so this is a spec sheet to benchmark against, not something to buy.

Published Aug 5, 2026 · collected Sep 5, 2026

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ResearchMultisensory Research· Jun 3, 2026T1 · Peer-reviewed / standard

A rough cup sleeve makes the same coffee taste more acidic, even blindfolded

Natsumi Kubo and Atsunori Ariga (Chuo University, Tokyo) had 92 blindfolded participants drink identical black coffee (a Nestlé 'Rich Blend' capsule, about 115 ml served at 68 °C) from cups fitted with either a sandpaper sleeve or a smooth kraft-paper sleeve and rate acidity. Coffee from the smooth cup was rated less acidic, and the effect persisted when the rough or smooth texture came from a separate object held at the same time, but disappeared when the touch and the sip were not simultaneous; the order also mattered (rough-then-smooth showed the effect, smooth-then-rough did not). Caveats: one commodity coffee, acidity only, a Japanese student-style sample, and an order-dependent effect that needs replication.

Why it matters: When comparing two brews or dialling in, hold the vessel, sleeve and surface constant, because what your hand feels at the moment of sipping measurably shifts how sour the coffee reads.

Published Jun 3, 2026 · collected Sep 5, 2026

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BeansSey CoffeeT5 · Maker / roaster

Sey's 2026 Peru season opens with a wet-fermented SL9 from Carlos Saenz's Machay Pata

Sey's 2026 Peru release from Carlos Saenz (Machay Pata, in the valley around Amaybamba) is a washed lot of the SL9 variety, de-pulped on the day of harvest, wet-fermented for 32 hours and dried on raised beds to 10.5% moisture. Sey describes the cup as mango, jasmine and lychee. It joins other 2026 Peru lots from the Saenz family and Gilber Huayllas as the new Peruvian crop lands.

Why it matters: Peru is at peak freshness now and SL9 is a variety most drinkers have never tasted; this is a clean washed benchmark for the origin before the more common Typica and Caturra lots arrive.

Publication date unknown · collected Sep 5, 2026

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ResearchCrop ScienceT1 · Peer-reviewed / standard

First field trial of arabica in South Florida reports 3-6 kg of cherry per tree in year three

A University of Florida IFAS team (Suela and colleagues, Tropical Research and Education Center, Homestead) planted 48 arabica seedlings of four cultivars (Fronton, Limani, Typica and Obatã) in May 2023 and tracked them through 2025, the first year the trees were mature enough for representative yield data. Average fresh-cherry yield ranged from roughly 3 to 6 kg per tree across cultivars, and the beans showed some favourable physical and chemical traits, while the paper flags climate, soil, labour and management hurdles for any commercial Florida coffee. Caveats: a single lowland subtropical site, a tiny plot, one harvest, and no reported cup scores from a calibrated panel.

Why it matters: Do not expect Florida coffee in your grinder soon, but this is the first peer-reviewed yield data for arabica grown at sea level in the continental US, and the cultivars chosen (rust-resistant Obatã, Puerto Rican Fronton and Limani) hint at what 'climate-adapted' specialty varieties may look like.

Publication date unknown · collected Sep 5, 2026

varietiesclimategreen-coffee
ResearchJournal of Food Process EngineeringT1 · Peer-reviewed / standard

TUM group fits five-parameter models to the bimodal grind distributions of real grinders

Mahima Bora and Heiko Briesen at the Technical University of Munich measured laser-diffraction particle size distributions of coffee ground on different grinders at several grind levels and from beans of different roast degrees, then compared ten two-component (five-parameter) distribution models for how well they describe the characteristic fines-plus-coarse bimodal shape. Lognormal/Weibull, Weibull/Betaprime and Gamma/Weibull fitted best across the dataset; fit quality depended strongly on grinder type and grind level and only minimally on roast degree. The point is methodological: reducing a full PSD to five parameters lets future extraction and sensory models use the whole distribution instead of a single median particle size. Caveat: no brewing or sensory measurements; the study characterises the powder, not the cup.

Why it matters: Nothing to change today, but it reinforces that a grinder's 'setting' is a poor description of what water sees; the fines-to-coarse shape differs by grinder even at the same median, which is why two grinders at the 'same' size brew differently.

Publication date unknown · collected Sep 5, 2026

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