| abstract |
The invention discloses a method for extracting natural p-hydroxybenzaldehyde. The extraction method takes Nandi as an extraction object to extract natural p-hydroxybenzaldehyde, and the extraction object is preferably P. The discarded shell of the stem or the discarded head of the tender stem of Nandi. The method of the present invention selects Nandi as the extraction object, which is the first in the field. The method has sufficient raw material sources, simple process, low cost, high product purity, few impurities, is environmentally friendly, can be produced on a large scale, and has high commercial value. application prospects. |