2024 World Barista Champion Mikael Jasin has revealed he uses Pure Brew Technology (PBtech) within Victoria Arduino’s Black Eagle Maverick machine for most coffees made at Omakafe, his unique venue in Banten, Indonesia.
PBtech is an on/off system that, during extraction, reduces peaks of acidity and bitterness to create a “softer and rounder espresso” according to Jasin.
It is a patented Victoria Arduino technology and is available on the Black Eagle Maverick and E1 Prima PRO professional coffee machines. It can be customised for each group and each recipe.
“Pure Brew Technology allows you to create a new style of coffee, which is the pure brew coffee,” says Jasin. “It is done in a close environment with this machine so you have … a more viscous, more aromatic type of filter coffee.
“The way it works is it creates pulses, and dispenses water in those pulses so you don’t have one continuous flow of water. This opens up a new possibility of a different type of espresso, the PBtech espresso. You can create a similar style espresso using this machine, but you will have a rounder, smoother espresso made using PBtech.”
The pulses of water are created by opening and closing a valve, allowing the pressure to reach the coffee puck at only a particular phase of extraction. When the valve is closed, water remains in contact with the coffee puck. As soon as the valve reopens the machine’s pressure pushes that water out which creates more space for new water coming from the valve. This gives the puck more time to expand and the water is able to reach more coffee without pressure.
Jasin says PBtech tends to deliver faster extraction times than traditional methods.
“I really love PBtech and use it for most of our coffees at Omacoffee,” says Jasin.
“We’ve been playing around with it, and typically if I do PBtech they’re a little bit faster extraction compared to your normal extraction because of the agitation.”
Victoria Arduino says PBtech has achieved excellent results with both mainstream and specialty coffees and does not require the presence of a barista in front of the machine for the entirety of the extraction phase.
This means baristas can start the extraction and move onto other activities including milk frothing or customer relations.
For more information on PBtech, visit the Victoria Arduino website.
