E. & J. Gallo Winery has been granted a patent for a system that purifies plant juices to produce a high-intensity pigment or colorant composition with low sugar content. The system involves processes such as ultrafiltration, chromatography, and extraction, and includes a conveyor belt, applicator tray, and heating trays for crystalline product production. GlobalData’s report on E. & J. Gallo Winery gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on E. & J. Gallo Winery, bioethanol production GMOs was a key innovation area identified from patents. E. & J. Gallo Winery's grant share as of September 2023 was 50%. Grant share is based on the ratio of number of grants to total number of patents.

A patent granted for a system to purify fruit/vegetable juices

Source: United States Patent and Trademark Office (USPTO). Credit: E. & J. Gallo Winery

A recently granted patent (Publication Number: US11753525B2) describes a system for purifying plant juice containing pigments to produce a crystalline product. The system includes a purifier device that removes non-pigment compounds from the juice using various methods such as ultrafiltration, diafiltration, chromatography, fermentation, subcritical fluid extraction, or supercritical fluid extraction. The purified juice, referred to as the liquid feed, is then transferred onto a conveyor belt through an applicator tray. One or more heating trays underneath the conveyor belt heat the liquid feed to facilitate the production of the crystalline product.

The system also includes an air pump and a feed barrel connected to the air pump via a suction hose. The air pump transfers the liquid feed from the feed barrel into a feed balance tank, with the pump's operation controlled by the level of the liquid feed in the tank. Valves on the feed spouts drain the liquid feed onto the applicator tray, forming a thin layer on the moving surface of the conveyor belt. To remove water vapors, air blowers are employed to move them away from the conveyor belt.

The liquid feed has a lower temperature than the hot water circulating through the heating trays. A plastic edge is incorporated into the system to aid in removing the crystalline product from the conveyor belt. The liquid feed consists of pigments such as anthocyanins, carotenoids, betalains, curcumin, carminic acid, carminic acid derivatives, chlorophyll, and chlorophyll derivatives.

Additional components of the system include a tunnel through which the conveyor belt passes, a heat exchanger, and a mill for milling the crystalline product. The purifier device utilizes a polymeric membrane system for ultrafiltration and diafiltration processes.

Overall, this patented system offers a method for purifying plant juice and producing a crystalline product from the purified juice. The system incorporates various purification techniques and includes components such as a conveyor belt, heating trays, air pumps, and valves to facilitate the process. The resulting crystalline product can be further processed using a mill.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.