Nissui has been granted a patent for an aquacultured crustacean with enhanced umami. The crustacean does not burrow in sand, contains specific amounts of glycine and alanine, and has a high content of free amino acids. The patent also includes a method for producing the crustacean using a specific rearing process and feed formulation. GlobalData’s report on Nissui 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 Nissui, nanoemulsion cosmetics was a key innovation area identified from patents. Nissui's grant share as of September 2023 was 22%. Grant share is based on the ratio of number of grants to total number of patents.

Patent granted for method of producing umami-rich crustacean

Source: United States Patent and Trademark Office (USPTO). Credit: Nissui Corp

A recently granted patent (Publication Number: US11766059B2) describes a method for producing an aquacultured non-sand-burrowing crustacean, specifically the Pacific white shrimp. The method involves rearing the crustacean in an aqueous environment using a floc that contains nitrifying bacteria. The goal is to achieve specific amino acid content in the abdominal muscle of the crustacean, including a total free amino acid content of at least 2400 mg per 100 g, a glycine content of at least 550 mg per 100 g, and an alanine content of at least 140 mg per 100 g.

The rearing process involves several key factors. First, the crustacean is reared in the aqueous environment using the floc for a minimum of 43 days. The tank providing the aqueous environment must have a shading condition with an illuminance of no more than 100 lux at the central part. The blended feed given to the Pacific white shrimp in the aqueous environment is formulated and/or selected to include wheat flour, soybean cake, fish meal, fish oil, and vegetable oil. The proportions of these ingredients are specifically formulated for the non-sand-burrowing crustacean.

The patent also includes additional claims related to the rearing process. These claims specify variations in the rearing duration, illuminance conditions, and the desired content of various nutrients in the abdominal muscle of the crustacean. For example, claim 2 states that the rearing should be conducted for at least 50 days in the shading condition of not more than 100 lux. Claim 4 adds that the abdominal muscle should have specific content levels of arginine, proline, and glutamic acid. Other claims focus on protein content, moisture content, carbohydrate content, ash content, sodium content, and caloric value of the abdominal muscle.

Overall, this patent provides a detailed method for producing aquacultured non-sand-burrowing crustaceans, specifically the Pacific white shrimp. By controlling the rearing conditions and the composition of the blended feed, the method aims to achieve specific amino acid and nutrient content in the abdominal muscle of the crustacean. This method could potentially improve the quality and nutritional value of aquacultured crustaceans, offering benefits to the aquaculture industry and consumers.

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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.