Professional Standard of the People's Republic of China Potato (potato, yam) Potato This standard applies to commercial potatoes transferred between provinces, autonomous regions and municipalities directly under the Central Government. Quality Standard Potatoes are classified according to complete tubers. See the table below for grade indicators and other quality indicators. Grade Complete tubers, % (each piece is more than 50g) 1.2 The second grade is the medium standard for potatoes, and potatoes below the third grade are substandard potatoes. 1.3 Sanitary standards and animal and plant quarantine items shall be implemented in accordance with relevant national regulations. 2 Glossary 2.1 Complete tubers: complete, sound, non-green, and slightly abraded or healed tubers. 2.2 Incomplete tubers, including the following tubers that still have edible value: Others ZBB23008—85 2.2.1 Scabies tubers: Tubers with scabies on the epidermis, covering an area of 1/2 or more of the tuber surface. 2.2.2 Other tubers: Tubers with diseases and insect pests, mechanical injuries (pick injuries, digging injuries), green skin, shrinkage, sprouting, deformities (commonly known as Chazi, Button, etc.), heat injuries, frostbite, rain, water, etc. Www.bzxZ.net 2.3 Impurities: floating soil contained in a batch of tubers, soil on the tubers, tubers without edible value, and other organic and inorganic substances. 3 Inspection methods The smearing of potato samples and the inspection of various indicators shall be carried out in accordance with the relevant parts of GB5490~~5539--85 "Inspection methods for grain, oilseeds and vegetable oils". 4 Packaging, transportation and storage The packaging, transportation and storage of potatoes must meet the requirements of quality assurance, quantity assurance, transportation safety and graded storage. Strictly prevent contamination. Additional notes: This standard was proposed by the Grain Storage and Transportation Bureau of the Ministry of Commerce of the People's Republic of China. This standard was drafted by the Inspection Division of the Grain Storage and Transportation Bureau of the Ministry of Commerce. The main drafter of this standard is Ha Junshan. From the date of implementation of this standard, the original Ministry of Grain Standard Potato 003 "Potatoes (potatoes, potatoes)" will be invalidated. Ministry of Commerce of the People's Republic of China issued on October 16, 1985. 124 Implementation on July 1, 1986 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.