At the recent Macfrut [3] exhibition, Produce Report noticed one specific piece of post-harvest technology that stood out for its nuanced approach to quality control: the Firmtech Eleven. Developed by the Germany-based UP Umweltanalytische Produkte GmbH [4], under the leadership of Dr. Silke Schweighoefer, this technology addresses a significant challenge in the fresh produce sector — objectively measuring the firmness of delicate soft fruits.

Precision Meets Gentle Handling

Firmness is a critical yet historically difficult-to-standardize metric for high-value categories such as blueberries [5] and cherries [6]. Traditional testing methods have often been destructive, relying on sharp probes that puncture and ruin the fruit being sampled. Observing the Firmtech Eleven in action revealed a stark, modern contrast to these conventional methods.

Visually, the equipment departs from traditional industrial designs, bearing a sleek aesthetic that subtly resembles a high-end espresso machine combined with a vinyl record player. This clean design language translates directly into its operation. The standard testing process is entirely non-destructive. Driven by high automation, a black carousel rotates and pauses with exact precision as each piece of fruit aligns beneath the sensor. A flat probe then descends slowly to gently squeeze the fruit, instantly recording the physical data and seamlessly integrating it into the company’s proprietary lab software, Fruitsoft LIMS.

A particularly notable feature is the exchangeable carousel, which allows the equipment to easily accommodate varying fruit shapes and sizes. This modular detail reflects a meticulous approach to engineering, clearly showcasing Dr. Schweighoefer and her team’s deep understanding of the practical, daily needs of users in laboratories and packhouses.

Market Application: Potential in the China Market

Looking at this innovation through the lens of the Chinese market reveals significant commercial potential. Unlike some markets with more diverse preferences, Chinese consumers exhibit a strong preference for a remarkably firm, crisp texture when it comes to berries, with little demand for soft berries. By implementing this advanced firmness measurement technology, distributors and packhouses gain the ability to accurately grade fruit to meet this strict market requirement. More importantly, because the Firmtech Eleven performs a non-destructive test, the physical integrity and shelf life of the premium produce remain completely uncompromised. This advantage extends directly to the retail level: in supermarkets, the instrument can drastically increase the efficiency of inbound quality inspections without ruining any high-value fruit.

It serves as an objective, data-driven tool to accurately sift out substandard produce without creating unnecessary product waste. In fact, several forward-thinking operators in China are already utilizing this technology. Given its proven viability, it is highly worth promoting across the broader industry. Ultimately, innovations like the Firmtech Eleven equip the entire supply chain with the exact metrics needed to reduce product loss, optimize efficiency and ensure that Chinese consumers consistently receive the precise, crisp texture that they are paying for.

Images: © 2026 Produce Report

This article was based on a Chinese article. Read the original article [7].