CL2012000051A1 - Proceso para producir derivado de quitosano mediante activacion de quitosano o una quitina que comprende suspender el quitosano en un alcohol/agua, agitar durante un periodo de tiempo y posteriormente hacer reaccionar el quitosano o precursor activado con un reactivo capaz de formar complejos mediante fuerzas fisicas o quimicas. - Google Patents

Proceso para producir derivado de quitosano mediante activacion de quitosano o una quitina que comprende suspender el quitosano en un alcohol/agua, agitar durante un periodo de tiempo y posteriormente hacer reaccionar el quitosano o precursor activado con un reactivo capaz de formar complejos mediante fuerzas fisicas o quimicas.

Info

Publication number
CL2012000051A1
CL2012000051A1 CL2012000051A CL2012000051A CL2012000051A1 CL 2012000051 A1 CL2012000051 A1 CL 2012000051A1 CL 2012000051 A CL2012000051 A CL 2012000051A CL 2012000051 A CL2012000051 A CL 2012000051A CL 2012000051 A1 CL2012000051 A1 CL 2012000051A1
Authority
CL
Chile
Prior art keywords
chitosan
activating
chitin
chemicals
stirring
Prior art date
Application number
CL2012000051A
Other languages
English (en)
Inventor
Abhay Parashuram Shendye
Original Assignee
Camlin Fine Sciences 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 Camlin Fine Sciences Ltd filed Critical Camlin Fine Sciences Ltd
Publication of CL2012000051A1 publication Critical patent/CL2012000051A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/154—Organic compounds; Microorganisms; Enzymes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
    • C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
    • C12N9/2405—Glucanases
    • C12N9/2434—Glucanases acting on beta-1,4-glucosidic bonds
    • C12N9/2442—Chitinase (3.2.1.14)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01014—Chitinase (3.2.1.14)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Polymers & Plastics (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Cosmetics (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

Proceso para producir derivado de quitosano; derivado de quitosano producido al activar quitosano; composición; enzima quitinolítica que comprende acción proteolítica así como también quitinolítica; proceso para preparar una enzima proteo-quitinolítica que comprende cultivar aspergillus niger MTCC; cultivo aislado de aspergillus niger MTCC 5572; proceso para mejorar la vida útil de las frutas.
CL2012000051A 2009-07-07 2012-01-06 Proceso para producir derivado de quitosano mediante activacion de quitosano o una quitina que comprende suspender el quitosano en un alcohol/agua, agitar durante un periodo de tiempo y posteriormente hacer reaccionar el quitosano o precursor activado con un reactivo capaz de formar complejos mediante fuerzas fisicas o quimicas. CL2012000051A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1605MU2009 2009-07-07
IN1643MU2010 2010-05-28

Publications (1)

Publication Number Publication Date
CL2012000051A1 true CL2012000051A1 (es) 2012-10-26

Family

ID=43429626

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2012000051A CL2012000051A1 (es) 2009-07-07 2012-01-06 Proceso para producir derivado de quitosano mediante activacion de quitosano o una quitina que comprende suspender el quitosano en un alcohol/agua, agitar durante un periodo de tiempo y posteriormente hacer reaccionar el quitosano o precursor activado con un reactivo capaz de formar complejos mediante fuerzas fisicas o quimicas.

Country Status (12)

Country Link
US (1) US20120108540A1 (es)
EP (1) EP2451845B1 (es)
BR (1) BR112012001097A2 (es)
CL (1) CL2012000051A1 (es)
CO (1) CO6612176A2 (es)
CR (2) CR20170535A (es)
EC (1) ECSP12011579A (es)
ES (1) ES2626250T3 (es)
MX (1) MX342011B (es)
PE (2) PE20180043A1 (es)
WO (1) WO2011004398A2 (es)
ZA (2) ZA201200804B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR102012023859A2 (pt) * 2012-09-21 2014-10-07 Univ Estadual Paulista Julio D Biofungicida à base de derivados anfifílicos catiônicos de quitosana e método de obtenção do mesmo
CN103444848B (zh) * 2013-09-04 2015-05-20 济南市农业科学研究院 一种草莓复合保鲜剂及处理草莓的方法
RU2562721C2 (ru) * 2013-10-09 2015-09-10 Общество с ограниченной ответственностью "ФАРМХИМ" (ООО "ФАРМХИМ") Способ получения наночастиц сукцината хитозана
CN104255713B (zh) * 2014-08-18 2016-05-25 河南工业大学 月季切花保鲜剂及其保鲜应用
CN104894086B (zh) * 2015-05-18 2019-02-05 昆明理工大学 一种宝珠梨几丁质酶的纯化方法
WO2018042311A1 (en) * 2016-08-29 2018-03-08 Swasti Agro & Bioproducts Pvt Ltd. Chitosan derivative formulations for plant growth, and building disease resistance
WO2019014389A1 (en) * 2017-07-11 2019-01-17 The Regents Of The University Of California ANTIMICROBIAL AGENTS BASED ON STIMULI-SENSITIVE POLYSACCHARIDES
CN110563859B (zh) * 2019-09-19 2021-07-23 湖北医药学院 抗肝癌药物亚硒酸酯化壳聚糖铜的一锅合成法及应用
CN111227026B (zh) * 2020-03-09 2022-10-28 中国海洋大学 一种利用虾蟹壳制备肉类保鲜膜的方法
CN115226768B (zh) * 2022-05-13 2023-03-10 广东省农业科学院果树研究所 肝素在制备香蕉或荔枝保鲜剂中的应用

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783148A (en) * 1952-05-27 1957-02-26 American Home Prod Alcoholized chitin, process of preparation and food products containing the same
US4946870A (en) * 1986-06-06 1990-08-07 Union Carbide Chemicals And Plastics Company Inc. Delivery systems for pharmaceutical or therapeutic actives
ATE144781T1 (de) * 1986-06-06 1996-11-15 Union Carbide Corp Saure dekristallisierung von hochkristallin chitosan oder teilentacetylierten chitin
US5061792A (en) * 1989-03-27 1991-10-29 University Of Delaware Preparation of chitosan salts in aqueous alcoholic media
JP3172207B2 (ja) 1990-09-21 2001-06-04 株式会社中埜酢店 植物有害生物防除剤
JP3731007B2 (ja) * 1994-12-12 2006-01-05 片倉チッカリン株式会社 Ｎ−カルボキシアシルキトサン及びその製造方法
US5597811A (en) * 1995-04-10 1997-01-28 Amerchol Corporation Oxirane carboxylic acid derivatives of polyglucosamines
KR100262253B1 (ko) * 1997-11-06 2000-07-15 김준엽 닭의 모래주머니로부터 추출정제된 효소를 이용한 키틴 및 키토산올리고머의 생산
CA2516535A1 (en) 2002-02-21 2003-08-28 Sa Majeste La Reine Du Chef Du Canada Hydrolysed chitosan as antimicrobial compound and uses thereof
US20070104836A1 (en) * 2004-03-18 2007-05-10 State of Oregon acting by and through the State Board of Higher Education on behalf of Oregon Lysozyme-chitosan films
CN1283189C (zh) * 2005-07-05 2006-11-08 江南大学 一种天然食品防腐剂壳聚糖的制备方法及其应用
US7601212B2 (en) * 2005-08-29 2009-10-13 E.I. Du Pont De Nemours And Company Pigment particles coated with polysaccharides and having improved properties
US20070077305A1 (en) * 2005-10-03 2007-04-05 Le Tien C Biocompatible polymeric matrix and preparation thereof

Also Published As

Publication number Publication date
ZA201308142B (en) 2014-08-27
PE20180043A1 (es) 2018-01-15
WO2011004398A4 (en) 2011-06-16
CR20170535A (es) 2018-05-10
EP2451845A4 (en) 2013-06-19
EP2451845B1 (en) 2017-03-01
EP2451845A2 (en) 2012-05-16
MX342011B (es) 2016-09-09
US20120108540A1 (en) 2012-05-03
PE20121660A1 (es) 2012-12-15
MX2012000378A (es) 2012-05-23
ECSP12011579A (es) 2012-04-30
ES2626250T3 (es) 2017-07-24
CR20120082A (es) 2012-09-04
CO6612176A2 (es) 2013-02-01
WO2011004398A2 (en) 2011-01-13
ZA201200804B (en) 2013-12-23
BR112012001097A2 (pt) 2016-02-23
WO2011004398A3 (en) 2011-04-28

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