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Title:
CYPRESS ACID-CONTAINING ESSENTIAL OIL AND MANUFACTURING METHOD OF CYPRESS ACID
Document Type and Number:
Japanese Patent JP2019031454
Kind Code:
A
Abstract:
To provide a manufacturing method of cypress acid-containing essential oil high in cypress acid content by effectively extracting cypress acid, and a manufacturing method of cypress acid high in yield.SOLUTION: The manufacturing method of a cypress acid-containing essential oil includes a process for housing a Cupressaceae plant raw material containing cypress acid in a sealed container, a process for introducing steam into the sealed container and compressing the plant raw material in the sealed container, a process for recovering stream generated by a squeeze source generated in the sealed container by the compression process, cooling and concentrating the steam to be liquid and obtaining a distillation liquid, and a process for recovering the cypress acid-containing essential oil from the distillation liquid, in which a temperature of the sealed container in the compression process is 140°C or higher.SELECTED DRAWING: Figure 1

Inventors:
棚橋 光彦
横山 慎一郎
足立 良富
Application Number:
JP2017152302A
Publication Date:
February 28, 2019
Filing Date:
August 07, 2017
Export Citation:
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Assignee:
飛騨産業株式会社
岐阜県
International Classes:
C07C51/44; C07C51/43; C07C51/48; C07C61/29; C11B1/08; C11B1/10; C11B3/12; C11B9/00
Attorney, Agent or Firm:
特許業務法人広江アソシエイツ特許事務所