The global ready-to-drink alcoholic beverage sector is experiencing a major transformation driven by a shift in consumer expectations. Younger consumers, specifically Generation Z and younger Millennials, are moving away from overly sweet, hyper-carbonated alcopops and high-calorie malt drinks. Instead, gravitating towards non-carbonated, low-sugar, and low-ABV alternatives that blend mindfulness with authentic flavour.
At the centre of this movement is the rapid surge in popularity of Hard Iced Tea, along with a parallel wave of real coffee-based RTD cocktails like the Espresso Martini.
However, capturing the subtle, fragile top-note aromatics of real brewed tea, coffee, and fresh fruit requires specialised technology to delicately extract essences to maintain the natural flavour profile.
The paradigm shift: Still liquids and authentic botanicals
For drinkers under 30, beverage choices reflect broader lifestyle values: simple ingredients, clean labelling, and authentic flavours. Legacy RTDs built on heavy carbonation and high-fructose syrups are falling out of favour, widely rejected for causing bloating and midday energy crashes during social events.
Hard iced teas solve this dilemma by relying on a still liquid base, light neutral alcohol (typically 4.5% ABV), and real tea botanicals. Popular brands across Europe, Australia, and North America have demonstrated how quickly consumers adopt hard teas when they deliver a light, crisp finish without artificial sugar.
However, formulating a zero-sugar or low-sugar hard tea presents a major technical challenge: without sugar to mask imperfections, the flavour profile must rely entirely on genuine, high-quality fruit and tea aromas.
Unlocking natural aroma: The spinning cone column
Traditional thermal processing methods subject delicate ingredients to high temperatures for extended periods, scorching volatile compounds and creating bitter or metallic off-notes.
This is where Australian manufacturer Flavourtech plays a leading role and counters these issues, unlocking natural aromas through its flagship technology, the Spinning Cone Column (SCC).
The best way for high-quality tea aromas (slurry capability)
When it comes to tea, the SCC stands out due to its unique ability to process slurries of milled tea leaves, rather than liquid extracts. This capability is unmatched by conventional liquid distillation columns. By processing tea leaves directly within a slurry rather than relying on pre-clarified liquids, the SCC captures the most vibrant, volatile top-notes right at the moment of extraction. This direct-slurry processing makes it arguably the single best method for extracting pristine, full-bodied tea aroma without oxidation or loss of freshness.
Low-temperature excellence for fruit aromas
For fresh fruit profiles, like peach, mango, or lemon, the key also lies in gentle thermal handling. The SCC operates under vacuum at exceptionally low temperatures, processing delicate fruit purees in a matter of seconds. This low-temperature steam stripping prevents thermal degradation, ensuring that the recovered fruit volatiles retain their freshly-picked, vibrant taste profile.
“When working with natural botanicals, the most vibrant aroma fractions are extremely delicate. By processing tea directly as a slurry, the SCC captures full-bodied tea volatiles right at extraction and its ultra-low-temperature vacuum steam stripping is perfect for preserving delicate fruit notes without heat damage. It delivers a natural, crisp taste profile for hard tea or fruit-flavoured beverages that resonate with today’s discerning young consumers.”
— Klaas Leenders, Central European Sales Manager at Flavourtech
By capturing these natural aroma fractions at the source, manufacturers can reintroduce pure, authentic flavour essences back into liquid bases. This eliminates the need for synthetic flavourings or excessive sugar, enabling brands to meet strict “clean label” standards without sacrificing taste depth.
“Today’s Gen Z consumers can instantly spot artificiality. They do not want liquid candy – they want authentic flavour depth. The SCC allows beverage innovators to collect exact, natural fruit and tea aromatics at the source, offering brands a huge competitive edge in category leadership.”
— Klaas Leenders, Central European Sales Manager at Flavourtech
Beyond tea: The real-coffee espresso Martini wave
The demand for authentic, natural extracts extends beyond hard teas. A parallel trend sweeping bars and retail shelves is the rise of premixed, canned Espresso Martini cocktails made with real coffee.
Historically, canned coffee cocktails relied on synthetic coffee flavourings or instant coffee powders, resulting in flat, artificial flavour profiles. Today’s consumers, accustomed to specialty café culture, demand the rich aroma, natural creaming potential, and authentic bite of freshly brewed espresso or cold brew.
The SCC is uniquely positioned to handle coffee processing as well. By processing a slurry of milled roast beans at controlled temperatures, the SCC captures the volatile, highly aromatic top-notes of freshly ground coffee – the exact sensory notes that give a bar-quality Espresso Martini its distinct aroma and smooth finish. When combined with neutral spirits or vodka, these recovered coffee essences allow RTD manufacturers to produce shelf-stable cocktails that taste like they were pulled straight from an espresso machine.
The future of RTD innovation
As the RTD market continues to mature, success will belong to brands that prioritise genuine ingredients over artificial shortcuts. Whether in the booming hard-iced tea category or the expanding real-coffee cocktail space, the combination of consumer demand for health conscious, authentic beverages and the availability of gentle processing technologies, like the SCC, are setting a new benchmark for beverage quality.
Flavourtech welcomes potential clients to their pilot plant facilities in Australia, the Netherlands or USA for a demonstration of process performance, validation of new product concepts, or optimisation of formulations prior to full-scale production. Each of these facilities house a pilot-scale SCC and are supported by experienced technical staff to assist in designing and running successful trials.
Download the whitepaper to learn more about Flavourtech’s unique Spinning Cone Column or contact their team using the below contact form to book a trial in one of their global pilot plant facilities.
