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冷压橄榄油/亚麻籽油不耐存放，开封后3个月内用完，别买大桶装，小容量(250-500ml)避免氧化酸败

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Unverified亚麻籽油、核桃油等富含Omega-3的油极易氧化，开封后应冷藏并在1-2个月内用完，因此应选小规格包装（250ml以内），大桶装反而造成氧化浪费86% similar Unverified亚麻籽油、紫苏油、初榨橄榄油等富含ω-3或多酚的油应买小规格(250-500ml)且开封后1-2月内用完，避免大桶装氧化酸败86% similar Unverified亚麻籽油Omega-3含量高达50%以上但极不耐热且易氧化，开封后需冷藏并在1-2个月内用完，仅适合凉拌或调入酸奶；日常炒菜用油应选Omega-6/9比例更稳定的橄榄油、菜籽油86% similar Unverified亚麻籽油等富含Omega-3的油应买250-500ml小规格深色玻璃瓶，开封后冷藏并1-2个月内用完；大桶装因氧化会使不饱和脂肪酸酸败83% similar Unverified大包装(如1L橄榄油、900ml酱油)单价低但进口调味品多含天然成分无防腐剂，橄榄油开封后3个月内风味流失、鱼露/味噌开封后需冷藏，家庭少量使用应买小规格避免氧化变质得不偿失83% similar

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