| Botanical source<\/td> | Flax seeds from Linum usitatissimum<\/em><\/td>| Also usually derived from flax seeds<\/td><\/tr>\n | | Primary purpose<\/td> | Dietary supplement, cold food use, plant-based omega-3 ALA<\/td> | Wood finishing, paint binder, varnish, putty, linoleum, industrial coatings<\/td><\/tr>\n | | Processing goal<\/td> | Preserve freshness, ALA content, and food safety<\/td> | Improve drying, penetration, hardening, and film formation<\/td><\/tr>\n | | Typical process<\/td> | Cold pressing, filtration, oxidation-controlled packaging<\/td> | Heat processing, polymerization, solvent extraction, or added drying agents depending on product<\/td><\/tr>\n | | Key nutritional value<\/td> | High in ALA omega-3; standard oil has no fiber and little\/no lignans<\/td> | Not formulated for nutrition<\/td><\/tr>\n | | Food safety<\/td> | Yes, if clearly labeled food-grade and intended for human consumption<\/td> | No, unless specifically certified as food-grade or food-contact safe by the manufacturer<\/td><\/tr>\n | | Documentos de qualidade<\/td> | COA, fatty acid profile, peroxide value, acid value, trace metals, microbial\/contaminant checks<\/td> | SDS, application instructions, drying time, VOC\/safety guidance<\/td><\/tr>\n | | Armazenamento<\/td> | Dark, tightly sealed container; refrigerate after opening; protect from oxygen, light, and heat<\/td> | Follow product label; keep away from heat\/flame; handle oily rags as a fire hazard<\/td><\/tr>\n | | Best answer to \u201cCan I eat it?\u201d<\/td> | Only if the label says food-grade\/edible<\/td> | No for hardware-store, boiled, wood finish, paint, or industrial products<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n | |