Laiyang Razor Clam is a geographical indication certification trademark. Laiyang razor clam is an agricultural product with geographical indication.

The shell of "Laiyang Constricted Razor Clam" is flat and elongated, the shell width is about 1/4 of the shell length, and it is yellowish brown. The growth lines on the shell surface are clear. From the top of the shell to the ventral edge, there is an oblique groove. The meat is plump, smooth, tender and elastic, with a delicious and slightly sweet taste, and the soup is white and fresh. Laiyang constricted razor clam is a national agricultural product geographical indication protected product.

Constricted razor clam: Molluscs, Bivalvia, Euvallobranch order, Bacillus family, Constricted razor clam is a shellfish. The shell has a slightly concave oblique groove from the top of the shell to the ventral edge, which looks like the constriction of a rope. Commonly known as "razor clam", also known as dragonfly, from the top of the shell to the abdominal edge near the center, there is an inclined indented groove, called the inner constriction groove, hence the name. The shell is large and thin, the meat is plump, and the soup is sweet and mellow.

Region:

Shandong

Applicant:

Laiyang Fishery Technology Promotion Station

Region :

2014

Regional scope

The regional protection scope of Laiyang razor clam is the coastal waters within the administrative district of Laiyang City, Shandong Province. The coastline is 23.35 kilometers long and covers an area of ??3635 hectares. The city governs two coastal towns, Yangjun and Xufang. The geographical coordinates are: 36°37′14″-36°36′50″ north latitude, 120°52′56″-120°44′53″ east longitude. According to rough statistics, the city's Laiyang razor clam breeding area is 666 hectares, and the annual fishing and breeding output of Laiyang's fresh razor clams is about 10,000 tons.

Product quality characteristics

1. External sensory characteristics: The individual is fat, tender and fat, the shell is long cylindrical, the front end is slightly rounded, the rear end is truncate, the dorsal and ventral surfaces are Nearly parallel, the shell length is generally 4 times the shell height; the shell surface is yellow-green and the top of the shell is white. 2. Intrinsic quality indicators: Due to its unique climate, water quality, soil quality and other characteristics, it is rich in a variety of essential amino acids and trace elements such as calcium, zinc, iron and other nutrients. Measured on fresh products, the protein content is 11.89-13.21g/100g, the taurine content is 2.47-3.12mg/g, the calcium content is 578.26-598.35mg/kg, and the zinc content is 32-35mg/kg. After stewing, the meat is tender and fat, soft and elastic, the soup is thick, white in color, fresh in taste, mellow and delicious, crisp, tender and smooth. 3. Quality and safety regulations: The production environment of Laiyang constricted clams must comply with the "Environmental Requirements for the Safety and Quality of Agricultural Products and Non-Polluting Aquatic Products of Production" (GB/T18407.4-2001), and the product quality must comply with the "Safety Requirements for the Safety and Quality of Agricultural Products and Non-Polluting Aquatic Products" (GB/T18407.4-2001) GB18406.4-2001), products under the circumstances specified in Article 33 of the "Agricultural Products Quality and Safety Law" shall not be put on the market for sale.