Study on Quality Change of Peanut Oil after Unsealing
After the peanut oil was opened,it was stored for 49 days under different conditions,the acid value,peroxide value,benzo(a)pyrene,aflatoxins B1,lead and arsenic were measured at 7-day intervals.The results showed that under different preservation conditions,the acid value,peroxide value,benzo(a)pyrene and aflatox-ins B1 all increased with time,and at 40℃and illumination conditions increased rapidly,under the condition of avoiding light,cold storage and normal temperature,the quality indexes increased relatively slowly.Lead and ar-senic basically did not change.Preservation conditions and quality changes of peanut oil should be noted after unsealing
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