T/NSFST 003-2024 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 Alpha-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 quantity/(mg/kg): Not detected Trans fatty acid content (%): ≤0.6 Note: If the detected value of solvent residue is less than 10 mg/kg, it is considered not detected. Food safety requirements shall comply with GB 2716 and relevant national regulations. 5 The hygiene requirements for the production and processing process shall comply with GB 14881. 6 Inspection methods Relative density test: Follow GB/T 5526. Fatty acid composition test: Follow GB 5009.168. Odor, taste, and color test: Follow GB 2716. Transparency test: Follow GB 5525. Water and volatile matter content test: Follow GB 5009.236. Insoluble impurities content test: Follow GB

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