Patent ID: 9200238
Filing Date: 2015-12-01
Classification: A23L,C11B

Abstract:
1. A method of pemole peel essential oil extraction by peel ice crystal and wall-breaking, wherein it comprises the following steps: (1) selecting a fresh pomelo, and peeling off the outermost pomelo peel oil cell layer that is 1.5-2.5 mm thick; (2) freezing the pomelo peel oil cell layer in Step (1) at −15° C. to −30° C. for 15-36 h to form pomelo peel ice crystal; (3) breaking the pomelo peel ice crystal with a breaker; (4) thawing the broken pomelo peel ice crystal, and then squeezing with a screw squeezer to obtain a squeezed liquid; (5) adding 3-4% by mass of table salt to the squeezed liquid, and standing to stratify to obtain a mixed liquid; and (6) distilling the mixed liquid in Step (5) under reduced pressure, and collecting distillate to obtain an oil-water mixture that undergoes natural stratification; discarding the water layer, thereby obtaining the pomelo peel essential oil.