RUcore: Rutgers University Community Repository
Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins
Descriptive
TitleInfo
Title
Optimization of encapsulation methods and conditions to maximize 1-MCP loading in modified beta-cyclodextrins
Name
(type = personal)
NamePart
(type = family)
Zhang
NamePart
(type = given)
Han
NamePart
(type = date)
1990-
DisplayForm
Han Zhang
Role
RoleTerm
(authority = RULIB)
author
Name
(type = personal)
NamePart
(type = family)
Yam
NamePart
(type = given)
Kit
DisplayForm
Kit Yam
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
chair
Name
(type = personal)
NamePart
(type = family)
LIU
NamePart
(type = given)
LINSHU
DisplayForm
LINSHU LIU
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
internal member
Name
(type = personal)
NamePart
(type = family)
Mir
NamePart
(type = given)
Nazir
DisplayForm
Nazir Mir
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
internal member
Name
(type = corporate)
NamePart
Rutgers University
Role
RoleTerm
(authority = RULIB)
degree grantor
Name
(type = corporate)
NamePart
Graduate School - New Brunswick
Role
RoleTerm
(authority = RULIB)
school
TypeOfResource
Text
Genre
(authority = marcgt)
theses
OriginInfo
DateCreated
(encoding = w3cdtf);
(qualifier = exact)
2016
DateOther
(qualifier = exact);
(type = degree)
2016-01
CopyrightDate
(encoding = w3cdtf);
(qualifier = exact)
2016
Place
PlaceTerm
(type = code)
xx
Language
LanguageTerm
(authority = ISO639-2b);
(type = code)
eng
Abstract
(type = abstract)
1-methylcyclopropene (1-MCP) is a gas compound which can inhibit ethylene response in climacteric fruits. It is used to delay the ripening process and so to extend the shelf life of fresh produce. However, 1-MCP requires certain storage technology because it is highly unstable and flammable. Current storage technology is to use carrier systems such as α-cyclodextrin to encapsulate 1-MCP and thus protect and stabilize it. In the industry, high level of 1-MCP loading in carrier system is highly preferred to minimize the cost and maximize the efficiency. Therefore, encapsulation methods and conditions are critical for 1-MCP application as they determine the loading level of 1-MCP in the carrier system. The objective of this research is to identify optimum method and conditions to encapsulate 1-MCP into a newly-developed carrier system, modified β-cyclodextrin (MβCD), to maximize the loading of 1-MCP. In this research, two encapsulation methods (solution method and solid method) and five condition factors (pH, MβCD concentration, temperature, 1-MCP concentration and encapsulation duration) were investigated to identify dominant factors for each method. 1-MCP concentration and encapsulation duration were found to be two dominant factors for both methods. Response Surface Methodology (RSM) was then used to optimize those two factors to identify optimum condition with maximum 1-MCP loading. Given by RSM, optimum condition of solution method was identified at (1.33X105 ppm, 21.2 hours) with maximum loading of 0.320% while optimum condition of solid method was at (1.39x105 ppm, 12.25 hours) with maximum loading of 0.529%. After testing the actual loading at optimum condition of the two methods, results showed 0.317% loading in solution method and 0.535% loading in solid method, which were -0.937% (solution method) and +1.13% (solid method) off to predicted values given by RSM respectively, confirming found optimum condition was valid. In conclusion, solid encapsulation method gives maximum 1-MCP loading of 0.535% in MβCD at the condition of (12.25 hours, 1.39X105 ppm). The result proves the effectiveness of the chemical modification of β-CD and provides further understanding of different encapsulation mechanisms followed by those two methods.
Subject
(authority = RUETD)
Topic
Food Science
Subject
(authority = ETD-LCSH)
Topic
Pesticides
Subject
(authority = ETD-LCSH)
Topic
Ethylene
RelatedItem
(type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
(type = RULIB)
ETD
Identifier
ETD_6885
PhysicalDescription
Form
(authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (xii, 64 p. : ill.)
Note
(type = degree)
M.S.
Note
(type = bibliography)
Includes bibliographical references
Note
(type = statement of responsibility)
by Han Zhang
RelatedItem
(type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier
(type = local)
rucore19991600001
Location
PhysicalLocation
(authority = marcorg);
(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T39Z970V
Genre
(authority = ExL-Esploro)
ETD graduate
Back to the top
Rights
RightsDeclaration
(ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder
(type = personal)
Name
FamilyName
Zhang
GivenName
Han
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
(encoding = w3cdtf);
(qualifier = exact);
(point = start)
2015-11-24 11:40:08
AssociatedEntity
Name
HAN ZHANG
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
AssociatedObject
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
RightsEvent
DateTime
(encoding = w3cdtf);
(qualifier = exact);
(point = start)
2016-01-31
DateTime
(encoding = w3cdtf);
(qualifier = exact);
(point = end)
2016-08-01
Type
Embargo
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after August 1st, 2016.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
Back to the top
Technical
RULTechMD
(ID = TECHNICAL1)
ContentModel
ETD
OperatingSystem
(VERSION = 5.1)
windows xp
Back to the top
Statistical Profile