T/ZHDZ 002-2022 Active Group standards

T/ZHDZ 002-2022 Harvest, storage, packaging, transportation, and sales technical regulations for Zhanhua winter jujube

Publish Date: 2022-06-16 Implement Date: 2022-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZHDZ 002-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2022-06-16

Implement Date: 2022-07-01

Scope

Main Technical Content: 3.1 Harvesting The harvesting period is mid-to-late October, during the peak ripeness of winter quinces. The fruit must meet the Grade II or higher requirements of GB/T 18846 and be harvested on clear, dew-free mornings. Manual harvesting with fruit stems retained is recommended. After harvesting, winter quinces should be placed in a shaded area and stored and pre-cooled as soon as possible. Transportation and packaging should use plastic crates to avoid mechanical damage during handling. 3.2 Quality Requirements The quality of Zhanhua winter quinces must comply with GB/T 18846 standards. Hygiene indicators must meet the requirements of GB 2762 and GB 2763. 4 Pre-Storage Preparation, Post-Harvest Processing, and Storage 4.1 Warehouse Preparation Before storage, thoroughly clean and disinfect storage areas and equipment (e.g., storage boxes, trays) and ventilate the area. Repair all equipment. Turn on the cooling system 2-3 days before storage to lower the temperature to approximately -1°C. 4.2 Sorting and Cleaning 4.2.1 Sorting Remove fruits with mechanical damage, pests, diseases, or deformities before storage. Sort by fruit quality and maturity (color area). 4.2.2 Cleaning and Disinfection Long-term stored winter quinces should be cleaned and disinfected with food-safe disinfectants. Store immediately after cleaning. 4.3 Pre-cooling and Storage Complete pre-cooling and storage of harvested winter quinces the same day. Set the pre-cooling temperature at 0-2°C until the fruit temperature approaches the storage temperature. Avoid direct cold air blowing on upper-layer fruits. If no pre-cooling facility is available, store approximately 20% of the single-chamber storage capacity daily over 3-5 days to reduce fruit temperature to storage levels. Store harvested quinces the same day. 4.4 Stacking Stacked pallets should align with air circulation direction in the warehouse. Add a 10-20-cm cushion layer (e.g., p