Walter Janda

Title: Walter Janda: Innovator in Juice Concentrate Production

Introduction

Walter Janda is a notable inventor based in Rheinfelden, Switzerland. He has made significant contributions to the field of food processing, particularly in the production of fruit and vegetable juice concentrates. His innovative methods have the potential to enhance efficiency and reduce costs in juice production.

Latest Patents

Walter Janda holds a patent for a method of production of a fruit or vegetable juice concentrate. This method involves several steps, including milling the fruit or vegetables with the addition of enzymes, heating the formed mash, stirring the heated mash with aeration, pressing the heated aerated mash, and centrifugation of the liquid phase from the press. Additionally, it includes the recovery of aroma components by distillation of the supernatant from the centrifugation. The process concludes with the treatment of the dearomatized supernatant for the final degradation of starch and pectin, followed by filtration and concentration of the filtrate. Notably, this method utilizes an ordinary filter, which is much more cost-effective than the previously used ultrafiltration equipment.

Career Highlights

Walter Janda is currently associated with Novo Nordisk A/S, a leading global healthcare company. His work at Novo Nordisk A/S has allowed him to apply his innovative ideas in a practical setting, contributing to advancements in food technology.

Collaborations

Walter collaborates with Kurt Dorreich, who is also involved in the field of food processing. Their partnership has fostered a creative environment for developing new methods and technologies.

Conclusion

Walter Janda's contributions to the production of juice concentrates exemplify the impact of innovation in the food industry. His patented method not only improves efficiency but also offers a more economical solution for juice production.