T/NTYG 1-2022 Active Group standards

T/NTYG 1-2022 South Zhao Mountain Potato

Publish Date: 2022-07-20 Implement Date: 2022-07-20 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/NTYG 1-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Vegetables and their products

Publish Date: 2022-07-20

Implement Date: 2022-07-20

Scope

Main technical content: 5 Requirements 5.1 Natural environment: Subtropical monsoon climate zone with a mild climate, distinct seasons, short summers and long winters, and an average annual temperature of 16.8°C. Elevation range: 600–1300 m. Average soil organic matter content: 20–30 g/kg; average total nitrogen content: 1.77–1.85 g/kg; average available potassium content: 142.06–154.3 mg/kg; average slow-release potassium content: 663.26–678.94 mg/kg. 5.2 Cultivation techniques: Follow NY/T 5222 standards. 5.3 Quality requirements 5.3.1 Sensory characteristics: Oval shape with a smooth, pink or purplish-red skin and a glossy appearance; pink bud eyes; and yellow flesh. 5.3.2 Physicochemical indicators: Meet the requirements in Table 1. Table 1: Physicochemical indicators Indicator Value Starch (g/100 g) ≥ 16% Moisture (g/100 g) ≤ 80% 5.3.3 Safety and hygiene indicators 5.3.3.1 Pollutant limits: Comply with GB 2762 regulations. 5.3.3.2 Pesticide residue limits: Comply with GB 2763 regulations. 6 Testing methods 6.1 Sensory characteristics: Visual inspection. 6.2 Physicochemical indicators 6.2.1 Starch: Determined according to GB/T 5009.9 standards. 6.2.2 Moisture: Determined according to GB/T 5009.3 standards. 6.3 Safety and hygiene indicators 6.3.1 Pollutant limits: Determined according to GB 2762 regulations. 6.3.2 Pesticide residue limits: Determined according to GB 2763 regulations.