Franz Prager, co-founder of the Vinea Wachau, had already earned a reputation for his wines when Toni Bodenstein married into the family. Bodenstein’s passion for biodiversity and old terraces, coupled with brilliant winemaking, places Prager in the highest echelon of Austrian producers.
Smaragd is a designation of ripeness for dry wines used exclusively by members of the Vinea Wachau. The wines must have minimum alcohol of 12.5%. The grapes are hand-harvested, typically in October and November, and are sent directly to press where they spontaneously ferment in stainless-steel tanks.
Zwerithaler is a sub-site of Buschenberg and sits to the east of Weißenkirchen. The name Zwerithaler, meaning "nestled between the valleys," is a near monopole of Weingut Prager. It has a complex soil of paragneiss with alternating layers of dark and calcareous rock. Zwerithaler Kammergut is a 0.34-hectare parcel planted before WWI. The wine from these ungrafted, 100-year-old vines was bottled separately by Prager for the first time in 2015.
 
Light greenish yellow, silver reflections. Fine savory, delicate nuances of anise, tobacco notes, delicate yellow fruit, a touch of mango and honey blossom. Full-bodied, juicy white apple fruit, well-integrated, silky acidity structure, finesse and long persistence, saline finish, lingers for minutes, Veltliner at its best.
-Falstaff 99 Points
"The aromas of this old-vine gruner veltliner leap out and shake you to the core. Full-bodied and full of weighty and balanced layers of papayas, mangoes, nectarines, chives, white tea and oranges. Fantastic concentration, giving so much pleasure already, but it will keep blossoming if you give it time. From vines planted in 1907. Sustainable. Drink or hold."
-James Suckling 98 Points
Boroli Barolo Brunella is made from 100 percent Nebbiolo.
A clear ruby red color, with very light orange reflections. A net aroma in which liquorice stands out at first, immediately followed by a fruity scent; the aroma makes you scent it again and again to discover different and pleasant facets. The fruity aroma magnificently prevails after a few minutes in the glass. A very enveloping, fresh and harmonious taste, with a delicate and tasty presence of wood. A long lasting taste that invites to sip it slowly again and again.
Tasting Notes
Brunella is distinguished by a careful selection of grapes, perfect destemming, long macerations with submerged cap. The barrels for Brunella are specifically chosen by the winemaker.
Wine Production
Brunella is one of the most historic single vineyard sites of all of Castiglione Falletto, however it hasn’t ever been bottled singularly under the Menzione Geografica Aggiuntiva BRUNELLA until 2013. The Brunella vineyard occupies the western crest of the Villero hillside and complete surrounds the Boroli winery.  The vineyard is a monopole—owned entirely by Boroli and is the most prestigious wine in the lineup.  As it occupies the best exposed section of the Villero hillside, La Brunella expresses power, drive, complexity, and extraordinary length and ageability.
About the Vineyard
The Boroli family is a family of entrepreneurs, with roots in Piedmont dating back to 1831.  The family started their winemaking business in1997, when Silvano and Elena Boroli felt an ardent desire to step away from the pressures of their publishing business and reconnect to nature. Silvano and Elena grew the company until their son, Achille, stepped in to run the wine-growing and production business in 2012.
In the 2012 grape harvest Achille decided to radically change the methods used in vineyards and wineries, aiming for the highest quality in Barolo and its crus. He cut production levels, updated the winemaking technology, and focused on low intervention methods to raise the quality of the Boroli wines be on par with the finest Barolo wines. 
Review:
Solid and centered, it displays a splendid Mediterranean character reminiscent of rosemary, wild thyme, marjoram, lemons, and red plums. Full body, perfectly extracted tannins of commendable beauty, and a slender yet disturbingly charming finish. Wow! Better from 2024
-WineCritic.com 96 Points