| 摘要 |
The present invention has for its object to provide a method of stabilizing a compound having a quinone skeleton in the state that the compound having a quinone skeleton and an antioxidant being coexisted, and a composition containing a stabilized compound having a quinone skeleton. The present invention relates to a method of stabilizing a compound having a quinone skeleton in a composition comprising a compound having a quinone skeleton and an antioxidant which comprises coating at least one of said compound having a quinone skeleton and an antioxidant with an oil-insoluble coating medium to make both constituents coexist in an oily substance, or coating at least one of said compound having a quinone skeleton and an antioxidant with a water-insoluble coating medium to make both constituents coexist in an aqueous substance, and a composition containing a compound comprising a quinone skeleton. According to the present invention, the compound having a quinone skeleton can be stably retained even the compound having a quinone skeleton and an antioxidant being coexisted.
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