EP3510052A4 - Method for preparing an extract of hevea latex and composition thereof - Google Patents

Method for preparing an extract of hevea latex and composition thereof Download PDF

Info

Publication number
EP3510052A4
EP3510052A4 EP16915342.6A EP16915342A EP3510052A4 EP 3510052 A4 EP3510052 A4 EP 3510052A4 EP 16915342 A EP16915342 A EP 16915342A EP 3510052 A4 EP3510052 A4 EP 3510052A4
Authority
EP
European Patent Office
Prior art keywords
extract
preparing
composition
hevea latex
hevea
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.)
Pending
Application number
EP16915342.6A
Other languages
German (de)
French (fr)
Other versions
EP3510052A1 (en
Inventor
Rapepun WITITSUWANNAKUL
Bhornprom YOYSUNGNOEN
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.)
PRINCE OF SONGKLA UNIVERSITY
THAILAND CENTER OF EXCELLENCE FOR LIFE SCIENCES
Original Assignee
Prince Of Songkla University
Thailand Center Of Excellence For Life Sciences
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 Prince Of Songkla University, Thailand Center Of Excellence For Life Sciences filed Critical Prince Of Songkla University
Publication of EP3510052A1 publication Critical patent/EP3510052A1/en
Publication of EP3510052A4 publication Critical patent/EP3510052A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/04—Purifying; Deproteinising
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18—Magnoliophyta (angiosperms)
    • A61K36/185—Magnoliopsida (dicotyledons)
    • A61K36/47—Euphorbiaceae (Spurge family), e.g. Ricinus (castorbean)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/30—Extraction of the material
    • A61K2236/33—Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones
    • A61K2236/333—Extraction of the material involving extraction with hydrophilic solvents, e.g. lower alcohols, esters or ketones using mixed solvents, e.g. 70% EtOH
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/30—Extraction of the material
    • A61K2236/39—Complex extraction schemes, e.g. fractionation or repeated extraction steps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
    • A61K2236/50—Methods involving additional extraction steps
    • A61K2236/51—Concentration or drying of the extract, e.g. Lyophilisation, freeze-drying or spray-drying

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Alternative & Traditional Medicine (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Botany (AREA)
  • Epidemiology (AREA)
  • Biotechnology (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Medicinal Preparation (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
EP16915342.6A 2016-09-02 2016-09-02 Method for preparing an extract of hevea latex and composition thereof Pending EP3510052A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TH2016/000075 WO2018044242A1 (en) 2016-09-02 2016-09-02 Method for preparing an extract of hevea latex and composition thereof

Publications (2)

Publication Number Publication Date
EP3510052A1 EP3510052A1 (en) 2019-07-17
EP3510052A4 true EP3510052A4 (en) 2020-06-17

Family

ID=61309153

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16915342.6A Pending EP3510052A4 (en) 2016-09-02 2016-09-02 Method for preparing an extract of hevea latex and composition thereof

Country Status (4)

Country Link
EP (1) EP3510052A4 (en)
CN (1) CN110023342B (en)
MY (1) MY197240A (en)
WO (1) WO2018044242A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023055307A1 (en) * 2021-09-29 2023-04-06 Master Labs Incorporation Company Limited Process for extracting hevea latex polysaccharides from effluent of the rubber manufacturing industry, polysaccharide extract, composition and use thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1758616A (en) * 1925-12-02 1930-05-13 Naugatuck Chem Co Method for recovering quebrachitol from rubber latex serum
JPS61293201A (en) * 1985-06-22 1986-12-24 Yokohama Rubber Co Ltd:The Powdered nonrubber component obtained from serum of natural rubber latex and production thereof
JPH0291035A (en) * 1988-07-06 1990-03-30 Yokohama Rubber Co Ltd:The Collection of l-quebrachitol in natural rubber serum
DE69232220D1 (en) 1992-09-22 2002-01-03 Takeo Takayanagi Carbohydrate complexes for the destruction of cancer cells
US5834442A (en) 1994-07-07 1998-11-10 Barbara Ann Karmanos Cancer Institute Method for inhibiting cancer metastasis by oral administration of soluble modified citrus pectin
AUPO864097A0 (en) 1997-08-19 1997-09-11 Peplin Pty Ltd Anti-cancer compounds
MY139558A (en) * 2003-02-28 2009-10-30 Malaysian Rubber Board A protein
CA2582428A1 (en) 2004-03-26 2005-10-13 Glycogenesys, Inc. Modified pectins, compositions and methods related thereto
MY153171A (en) * 2006-12-21 2015-01-29 Thailand Ct Of Excellence For Life Sciences Skin whitening composition containing extracts derived from natural rubber latex
RU2501819C2 (en) * 2008-06-27 2013-12-20 Акцо Нобель Н.В. Redispersible polymer powder
CN102516041A (en) * 2011-12-16 2012-06-27 云南省热带作物科学研究所 Method for extracting quebrachitol from natural rubber whey

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
S. BELLACICCO ET AL: "The Sugar and Polyol Composition of Hevea Brasiliensis Latex Depends on the Clonal Origin of the Tree", JOURNAL OF RUBBER RESEARCH, vol. 21, no. 3, 1 September 2018 (2018-09-01), MY, pages 224 - 235, XP055691814, ISSN: 1511-1768, DOI: 10.1007/BF03449172 *
VERONICA LAM UNIVERSITI ET AL: "Cell Viability Assay Guided Fractionation of Natural Rubber Latex Sera WNT signaling pathway View project Metal oxide Nanoparticles View project Sunderasan Elumalai Malaysian Rubber Board 49 PUBLICATIONS547 CITATIONS SEE PROFILE Ming Thong Ong", 1 January 2013 (2013-01-01), XP055691813, Retrieved from the Internet <URL:https://www.researchgate.net/profile/Sunderasan_Elumalai/publication/256706810_Cell_Viability_Assay_Guided_Fractionation_of_Natural_Rubber_Latex_Sera/links/00b7d523aaeb14aa3c000000/Cell-Viability-Assay-Guided-Fractionation-of-Natural-Rubber-Latex-Sera.pdf> [retrieved on 20200505] *

Also Published As

Publication number Publication date
CN110023342A (en) 2019-07-16
CN110023342B (en) 2022-01-11
MY197240A (en) 2023-06-07
WO2018044242A1 (en) 2018-03-08
EP3510052A1 (en) 2019-07-17

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Ipc: A61K 36/47 20060101ALI20200511BHEP

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Owner name: PRINCE OF SONGKLA UNIVERSITY

Owner name: THAILAND CENTER OF EXCELLENCE FOR LIFE SCIENCES