WO2011042167A3 - Methods for removing heavy metals from aqueous extracts of tobacco - Google Patents

Methods for removing heavy metals from aqueous extracts of tobacco Download PDF

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Publication number
WO2011042167A3
WO2011042167A3 PCT/EP2010/006100 EP2010006100W WO2011042167A3 WO 2011042167 A3 WO2011042167 A3 WO 2011042167A3 EP 2010006100 W EP2010006100 W EP 2010006100W WO 2011042167 A3 WO2011042167 A3 WO 2011042167A3
Authority
WO
WIPO (PCT)
Prior art keywords
plant extract
heavy metals
aqueous plant
sorbent
tobacco
Prior art date
Application number
PCT/EP2010/006100
Other languages
French (fr)
Other versions
WO2011042167A2 (en
Inventor
Zhaohua Luan
Donald Miser
Darin Colassaco
Geoffrey W. Chan
Padmanabha Reddy Ettireddy
Sarojini Deevi
Marc Krauss
Original Assignee
Philip Morris Products S.A.
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 Philip Morris Products S.A. filed Critical Philip Morris Products S.A.
Publication of WO2011042167A2 publication Critical patent/WO2011042167A2/en
Publication of WO2011042167A3 publication Critical patent/WO2011042167A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/20—Removal of unwanted matter, e.g. deodorisation or detoxification
    • A23L5/27—Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption
    • A23L5/273—Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption using adsorption or absorption agents, resins, synthetic polymers, or ion exchangers

Abstract

Disclosed is a method for removing one or more heavy metals from an aqueous plant extract, comprising: contacting the aqueous plant extract with, and sorbing at least a portion of the one or more heavy metals on, at least one sorbent selected from the group consisting of: one or more surface activated titanium oxide particles, one or more chitosans, one or more calcium phosphates, one or more mercaptoalkyl-substituted silica gels, one or more mercaptoalkyl-substituted mesoporous molecular sieves, one or more finely ground γ-aluminas, one or more photocatalytic titanium dioxide particles, one or more Au-anatases, ceria, and combinations thereof, to form a mixture of sorbent and heavy metal-depleted aqueous plant extract; and separating the sorbent from the mixture to provide a heavy metal-depleted aqueous plant extract.
PCT/EP2010/006100 2009-10-09 2010-10-06 Methods for removing heavy metals from aqueous extracts of tobacco WO2011042167A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/576,996 2009-10-09
US12/576,996 US20110083684A1 (en) 2009-10-09 2009-10-09 Methods for removing heavy metals from aqueous extracts of tobacco

Publications (2)

Publication Number Publication Date
WO2011042167A2 WO2011042167A2 (en) 2011-04-14
WO2011042167A3 true WO2011042167A3 (en) 2011-07-21

Family

ID=43480654

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/006100 WO2011042167A2 (en) 2009-10-09 2010-10-06 Methods for removing heavy metals from aqueous extracts of tobacco

Country Status (4)

Country Link
US (1) US20110083684A1 (en)
AR (1) AR080341A1 (en)
TW (1) TW201132297A (en)
WO (1) WO2011042167A2 (en)

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US10279934B2 (en) 2013-03-15 2019-05-07 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
CN103497010B (en) * 2013-09-23 2016-05-11 丽水学院 Reduce the method for cadmium content in cadmium pollution bacterium bar spices massee fruiting bodies
US10076139B2 (en) 2013-12-23 2018-09-18 Juul Labs, Inc. Vaporizer apparatus
US10159282B2 (en) 2013-12-23 2018-12-25 Juul Labs, Inc. Cartridge for use with a vaporizer device
USD842536S1 (en) 2016-07-28 2019-03-05 Juul Labs, Inc. Vaporizer cartridge
US20160366947A1 (en) 2013-12-23 2016-12-22 James Monsees Vaporizer apparatus
US10058129B2 (en) 2013-12-23 2018-08-28 Juul Labs, Inc. Vaporization device systems and methods
USD825102S1 (en) 2016-07-28 2018-08-07 Juul Labs, Inc. Vaporizer device with cartridge
FI3491948T4 (en) 2013-12-23 2024-05-06 Juul Labs International Inc Vaporization device systems
EP3821735A1 (en) 2014-12-05 2021-05-19 Juul Labs, Inc. Calibrated dose control
EP3413960B1 (en) 2016-02-11 2021-03-31 Juul Labs, Inc. Fillable vaporizer cartridge and method of filling
SG11201806801VA (en) 2016-02-11 2018-09-27 Juul Labs Inc Securely attaching cartridges for vaporizer devices
US10405582B2 (en) 2016-03-10 2019-09-10 Pax Labs, Inc. Vaporization device with lip sensing
CN105661627B (en) * 2016-03-25 2017-07-21 河南中烟工业有限责任公司 A kind of method for the raw material extraction rate for improving tobacco sheets by paper making method
USD849996S1 (en) 2016-06-16 2019-05-28 Pax Labs, Inc. Vaporizer cartridge
USD851830S1 (en) 2016-06-23 2019-06-18 Pax Labs, Inc. Combined vaporizer tamp and pick tool
USD836541S1 (en) 2016-06-23 2018-12-25 Pax Labs, Inc. Charging device
USD848057S1 (en) 2016-06-23 2019-05-07 Pax Labs, Inc. Lid for a vaporizer
USD887632S1 (en) 2017-09-14 2020-06-16 Pax Labs, Inc. Vaporizer cartridge
CN110208357B (en) * 2019-01-29 2022-05-31 广西大学 ICP-MS-based method for researching ionomics of selenium-enriched tobacco leaves
KR102309085B1 (en) * 2019-12-13 2021-10-08 한국프라임제약주식회사 Seaweeds extracts reducted As and Manufaring method thereof
CN112574047B (en) * 2020-12-25 2023-04-07 湖州展望药业有限公司 Production process of low-lead bulk drug esmolol hydrochloride

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Also Published As

Publication number Publication date
US20110083684A1 (en) 2011-04-14
TW201132297A (en) 2011-10-01
AR080341A1 (en) 2012-04-04
WO2011042167A2 (en) 2011-04-14

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