Natural air freshener and preparation method thereof
An air freshener, natural technology, applied in the fields of botanical equipment and methods, biocides, disinfectants, etc., can solve the problems of upper respiratory system lesions, can not really improve air quality, induce cancer, etc., to promote absorption, good resistance Anxiety effect, receptive effect
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[0029] The present invention will be further described in detail below with reference to the examples and drawings, but the implementation of the present invention is not limited thereto.
[0030] The methods described in the following experiments are conventional methods unless otherwise specified; the raw materials and biological preparations are all obtained through commercial channels unless otherwise specified.
[0031] Preparation of natural d-borneol: Weigh an appropriate amount of plum leaf (about 400g) into an extraction tank for steam distillation, put the obtained crude oil into a freeze dryer and freeze and crystallize at -25°C, then put it in a centrifuge Centrifuge at 1500rpm for 10min in the machine and discard the supernatant to obtain natural d-borneol with a purity of about 65%.
[0032] Preparation of natural d-borneol mother liquor: 1.0 g of natural d-borneol prepared above was dissolved in 100 mL of absolute ethanol.
[0033] In order to determine optimum...
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