GB1066391A - Improvements relating to extraction processes - Google Patents

Improvements relating to extraction processes

Info

Publication number
GB1066391A
GB1066391A GB1406565A GB1406565A GB1066391A GB 1066391 A GB1066391 A GB 1066391A GB 1406565 A GB1406565 A GB 1406565A GB 1406565 A GB1406565 A GB 1406565A GB 1066391 A GB1066391 A GB 1066391A
Authority
GB
United Kingdom
Prior art keywords
extracting
particles
ether
alkali
substance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1406565A
Inventor
Hugh David Anderson
Richard Geoffrey Hook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Priority to GB1406565A priority Critical patent/GB1066391A/en
Publication of GB1066391A publication Critical patent/GB1066391A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B9/00—Essential oils; Perfumes
    • C11B9/02—Recovery or refining of essential oils from raw materials
    • C11B9/027—Recovery of volatiles by distillation or stripping
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00—Tea; Tea substitutes; Preparations thereof
    • A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
    • A23F3/42—Isolation or recuperation of tea flavour or tea oil
    • A23F3/423—Isolation or recuperation of tea flavour or tea oil by solvent extraction; Tea flavour from tea oil
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00—Tea; Tea substitutes; Preparations thereof
    • A23F3/40—Tea flavour; Tea oil; Flavouring of tea or tea extract
    • A23F3/42—Isolation or recuperation of tea flavour or tea oil
    • A23F3/426—Isolation or recuperation of tea flavour or tea oil by distillation, e.g. stripping leaves; Recovering volatile gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

Flavours, essences, perfumes, and the like, are extracted from natural materials, such as cloves, lemon peel, tea, nutmeg, thyme, and rose petals, which are preferably in a finely-divided state, by passing a stable aerosol over or through a bed of the material, collecting the aerosol particles, and extracting the substance from the collected particles. Suitable aerosols include dibutyl phthalate or natural wax in air or nitrogen, paraffin oil in carbon dioxide, or cigarette smoke. The particles are preferably collected on an absolute filter. When dibutyl phthalate is used, the substance may be extracted therefrom by ethyl alcohol, or by dissolving in ether, extracting with dilute aqueous alkali, acidifying the alkali, and ether extracting. When cigarette smoke is used, the extraction may be affected by steam distillation into alkali, neutralizing, and ether extracting.
GB1406565A 1965-04-02 1965-04-02 Improvements relating to extraction processes Expired GB1066391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1406565A GB1066391A (en) 1965-04-02 1965-04-02 Improvements relating to extraction processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1406565A GB1066391A (en) 1965-04-02 1965-04-02 Improvements relating to extraction processes

Publications (1)

Publication Number Publication Date
GB1066391A true GB1066391A (en) 1967-04-26

Family

ID=10034358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1406565A Expired GB1066391A (en) 1965-04-02 1965-04-02 Improvements relating to extraction processes

Country Status (1)

Country Link
GB (1) GB1066391A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106520394A (en) * 2016-09-12 2017-03-22 北京新立机械有限责任公司 Environment-friendly type printed circuit board cleaning compound and preparation method thereof
US11211249B2 (en) 2008-03-06 2021-12-28 Sensient Flavors Llc Herbal extracts and flavor systems for oral products and methods of making the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11211249B2 (en) 2008-03-06 2021-12-28 Sensient Flavors Llc Herbal extracts and flavor systems for oral products and methods of making the same
CN106520394A (en) * 2016-09-12 2017-03-22 北京新立机械有限责任公司 Environment-friendly type printed circuit board cleaning compound and preparation method thereof

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