T/NZFARMPRODUCE 1-2023 Active Group standards

T/NZFARMPRODUCE 1-2023 South Zha County Chinese giant or Chinese almond flower mushroom (Gastrodia elata)

Publish Date: 2023-02-15 Implement Date: 2023-02-15 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/NZFARMPRODUCE 1-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Agriculture, forestry

ICS Name: Drugs

Publish Date: 2023-02-15

Implement Date: 2023-02-15

Scope

Main technical content: 5.1 Natural environment: Elevation (750–1500 m), annual average rainfall (800–1200 mm), annual average temperature 10.8°C, annual average sunshine duration 1833.3 hours, and air relative humidity over 72%. The soil is yellow-brown to dark-brown, with a pH value of 6.0–6.5. 5.2 Cultivation techniques: Implemented according to LY/T 2622. 5.3 Grading of dried rhizomes: The grading of dried rhizomes shall comply with Table 1. Table 1 Grading Criteria First Grade Second Grade Third Grade Fourth Grade Shape: Elongated oval. Flattened and curved, with all coarse bark removed. Surface yellow-white with horizontal stripes, and residual stem bases or red-yellow dried buds at the top. End with a disc-shaped concave navel scar. Firm texture, semi-transparent. Cross-section: Keratinized, with white or brownish-yellow flesh. Smell: Sweet and slightly spicy with no visible impurities. No hollow, dried, impurities, insect damage, or mold. No dried, impurities, insect damage, or mold. No reed stems, impurities, or insect damage. Individual weight (g): ≥40 ≥22 ≥12 No specified unit Number of pieces per kg: ≤26 ≤46 ≤90 No specified 5.4 Quality requirements 5.4.1 Sensory characteristics: Nanzhang Gastrodia is slightly flattened and elongated oval, wrinkled and curved, with horizontal stripes on the outside. The top resembles a parrot's beak, and the other end has a distinct navel scar. The surface is yellow-white to light yellow-brown, semi-transparent, with thick, firm flesh and a shiny cross-section. It has a distinctive strong odor and a light sweet and spicy taste. 5.4.2 Physicochemical indicators: The physicochemical indicators shall comply with Table 2. Table 2 Physicochemical Indicators Item Indicator Gastrodin and p-hydroxybenzaldehyde total content/% ≥ 0.25 Water content/% ≤ 15.0 Total ash content/% ≤ 4.5 Sulfur dioxide residue (mg/kg) ≤ 400 Extraction material (% ≥ 15.0 5