Application and preparation method of forsythiaside a in the preparation of oil quality maintaining agent
A technology of quality maintaining agent and forsythiaside, which is applied in the field of preparation of new additives or additives, can solve the problems of poor heat resistance of antioxidants, easy to be decomposed or volatilized, low melting point and boiling point, and achieve mild process conditions, Broad development and application prospects, low toxicity effect
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[0031] Below in conjunction with specific embodiment, further illustrate the present invention. The following examples should be understood as only for illustrating the present invention but not for limiting the protection scope of the present invention. After reading the contents of the present invention, those skilled in the art can make various modifications or changes to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.
[0032]The application of forsythiaside A in the preparation of oil quality maintaining agent, the addition amount of the forsythiaside A is 0.12-0.15% of the oil quality. The mass fraction of the forsythiaside A is 96%.
[0033] The concrete preparation steps of grease quality retaining agent are:
[0034] Step 1, the extraction of forsythiaside A
[0035] (1) Extraction: Take 50g of fresh forsythia leaves and spread them out at room temperature until the wat...
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