T/NSFST 003-2024-1 cold-pressed flaxseed oil

Scope

Scope: The document specifies the terms and definitions, quality requirements, inspection methods and rules, labeling and marking, packaging, storage, transportation, and sales of cold-pressed flaxseed oil. This document applies to cold-pressed flaxseed oil; Main technical content: 4 Quality requirements The basic composition and main physical parameters of cold-pressed flaxseed oil are shown in Table 1. Table 1 Basic composition and main physical parameters of cold-pressed flaxseed oil Item Indicator Relative density (g/cm³) 0.9276–0.9382 Main fatty acid composition (%) Palmitic acid (C16:0) 3.7–7.9 Stearic acid (C18:0) 2.0–7.0 Oleic acid (C18:1) 9.5–30.0 Linoleic acid (C18:2) 10.0–20.0 α-Linolenic acid (C18:3) 50.0–70.0 Quality indicators The quality indicators of cold-pressed flaxseed oil are shown in Table 2. Table 2 Basic composition and main physical parameters of cold-pressed flaxseed oil Item Quality indicator Odor and taste With the odor and taste characteristic of cold-pressed flaxseed oil, no abnormal odor Color Light yellow to yellow Transparency (20°C) Clear and transparent Water and volatile matter content (%) ≤0.20 Insoluble impurities content (%) ≤0.05 Acid value (calculated as KOH)/(mg/g) ≤1.0 Solvent residue (mg/kg) Not detected Trans fatty acid content (%) ≤0.6 Note: If the solvent residue detection value is less than 10 mg/kg, it is considered undetected. Food safety requirements shall comply with GB 2716 and relevant national regulations. 5 Hygiene requirements for the production and processing process shall comply with GB 14881. 6 Inspection methods Relative density test: Conduct according to GB/T 5526. Fatty acid composition test: Conduct according to GB 5009.168. Odor, taste, and color test: Conduct according to GB 2716. Transparency test: Conduct according to GB/T 5525. Water and volatile matter content test: Conduct according to GB 5009.236. In

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