Polyphenols in plants: isolation, purification and extract preparation
Gespeichert in:
| Format: | Buch |
|---|---|
| Sprache: | English |
| Veröffentlicht: |
London [u.a.]
Acad. Press
2014
|
| Ausgabe: | 1. ed. |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XVIII, 331 S. Ill., graph. Darst. |
| ISBN: | 9780123979346 |
Internformat
MARC
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| 245 | 1 | 0 | |a Polyphenols in plants |b isolation, purification and extract preparation |c ed. by Ronald Ross Watson |
| 250 | |a 1. ed. | ||
| 264 | 1 | |a London [u.a.] |b Acad. Press |c 2014 | |
| 300 | |a XVIII, 331 S. |b Ill., graph. Darst. | ||
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Datensatz im Suchindex
| _version_ | 1804152128803962880 |
|---|---|
| adam_text | Titel: Polyphenols in plants
Autor: Watson, Ronald R
Jahr: 2014
Contents
Preface.......................................................................................................................xi
Acknowledgement..................................................................................................xiii
Contributors.............................................................................................................xv
PART 1 MODIFICATION BY PLANT GROWTH AND
_ENVIRONMENT_
CHAPTER 1 Cultivar and Production Effects on Bioactive Polyphenols.........3
1.1 Introduction.....................................................................................3
1.2 Effects of plant species, cultivar and breeding success...................4
1.3 Light effects.....................................................................................4
1.4 Effects of growing temperature.......................................................5
1.5 Impact of water management..........................................................6
1.6 Effects of elevated carbon dioxide concentrations..........................7
1.7 Macro- and micronutrients and heavy metals induce changes
in polyphenols.................................................................................7
1.8 The application of electricity as a new approach in the
horticultural sector..........................................................................8
References.................................................................................................9
CHAPTER 2 Plant Polyphenol Profiles as a Tool for Traceability and
Valuable Support to Biodiversity............................................15
2.1 Introduction...................................................................................15
2.2 Traceability: definition, importance and state of the art in
the area concerned.........................................................................17
2.2.1 Definition.............................................................................17
2.2.2 The importance of traceability for consumers and
food/feed businesses............................................................17
2.3 Traceability markers......................................................................18
2.3.1 Definition and features........................................................18
2.3.2 Analytical methodologies commonly used for food and
feed traceability...................................................................18
2.4 Polyphenols as traceability markers..............................................19
2.4.1 Plant secondary metabolism and phenolics.........................19
2.4.2 Factors affecting the presence and amount of polyphenols
in plants...............................................................................21
2.5 Examples of the use of polyphenols as markers...........................23
2.5.1 General................................................................................23
V
vi
Contents
2.5.2 Taxonomic classification.....................................................25
2.5.3 Origin and geographical discrimination..............................25
2.5.4 From farm to fork: post-harvest treatments, storage
and processing.....................................................................26
2.6 Concluding remarks......................................................................27
Acknowledgments..................................................................................27
References..............................................................................................28
SECTION 1A STRESS AND POLYPHENOLS IN PLANTS
CHAPTER 3 Phenolic Compounds and Saponins in Plants Grown Under
Different Irrigation Regimes...................................................37
3.1 Introduction...................................................................................37
3.2 Secondary metabolites: phenolic compounds and saponins.........38
3.3 Factors that influence plants secondary metabolism....................39
3.4 Influence of the irrigation regimes on secondary metabolites.......42
3.4.1 Phenolic compounds...........................................................42
3.4.2 Saponins..............................................................................47
3.5 Concluding remarks......................................................................48
References..............................................................................................48
CHAPTER 4 Lichen Phenolics: Environmental Effects................................53
4.1 Introduction...................................................................................53
4.2 Effects of environmental factors on the production of lichen
phenolics.......................................................................................54
4.2.1 Light....................................................................................55
4.2.2 UV.......................................................................................55
4.2.3 Geographical and seasonal variation...................................56
4.2.4 Elevation..............................................................................57
4.2.5 Temperature.........................................................................57
4.2.6 Culture media......................................................................58
4.3 Role of photobionts in phenolics production................................58
4.4 Conclusions...................................................................................59
References..............................................................................................60
SECTION 1B PLANT SYSTEMS OF POLYPHENOL
_MODIFICATION_
CHAPTER 5 Modulation of Plant Endogenous Antioxidant Systems by
Polyphenols.........................................................................65
5.1 Introduction...................................................................................65
5.2 Plant oxidative stress.....................................................................66
5.2.1 Heat.....................................................................................66
Contents
5.2.2 Salt.......................................................................................67
5.2.3 Radiation.............................................................................68
5.2.4 Drought...............................................................................68
5.2.5 Chilling................................................................................69
5.2.6 Toxicity by redox-active metals..........................................69
5.3 Antioxidant defense system..........................................................70
5.3.1 Nonenzymatic antioxidants........................................••........71
5.3.2 Enzymatic antioxidants.......................................................73
5.4 Polyphenol properties....................................................................74
5.4.1 Mechanisms of protection...................................................75
5.5 Concluding remarks......................................................................78
References..............................................................................................79
CHAPTER 6 Plant Polyphenols: Do They Control Freshwater Planktonic
Nuisance Phototrophs?.........................................................87
6.1 Introduction...................................................................................87
6.2 Role of ambient pH.......................................................................89
6.3 Physiological state of the phototrophs..........................................91
6.4 Action of allelochemicals other than polyphenols........................93
6.5 Modes of action in Microcystis aeruginosa..................................94
6.6 Conclusion from an ecological perspective..................................95
Associated content..................................................................................96
Acknowledgments..................................................................................96
References..............................................................................................96
PART 2 ISOLATION AND ANALYSIS OF POLYPHENOL
STRUCTURE
SECTION 2A ANALYSIS TECHNIQUES FOR POLYPHENOLS
CHAPTER 7 Gas Chromatography-Mass Spectrometry Analysis of
Polyphenols in Foods..........................................................103
7.1 Poly phenolic compounds............................................................103
7.2 Polyphenolic compounds in foods..............................................106
7.3 Methods for determining polyphenols........................................107
7.4 Determination of polyphenols by gas chromatography-mass
spectrometry (GC-MS). Derivatization reactions.......................108
7.5 Sample preparation techniques...................................................136
7.6 Miniaturized techniques for sample preparation in
GC-MS........................................................................................141
References......................................................:.....................................146
vili Contents
CHAPTER 8 Novel Techniques Towards the Identification of Different
Classes of Polyphenols.....................................................159
8.1 Introduction...............................................................................159
8.2 Sample treatment and extraction...............................................162
8.3 High-performance liquid chromatography (HPLC)..................163
8.4 Liquid chromatography coupled to mass spectrometry
(LC-MS) and direct flow injection mass spectrometry.............165
8.5 Nuclear magnetic resonance spectroscopy (NMR)...................171
8.6 Liquid chromatography coupled to nuclear magnetic
resonance spectroscopy (LC-NMR)..........................................174
8.7 Other methods...........................................................................176
References..........................................................................................177
CHAPTER 9 Characterization of Polyphenolic Profile of Citrus Fruit by
HPLC/PDA/ESI/MS-MS.......................................................187
9.1 Introduction...............................................................................187
9.2 Polyphenolic compounds in citrus cultivars..............................187
9.3 HPLC/PDA/ESI/MS-MS identification of citrus flavonoids.....191
References..........................................................................................197
SECTION 2B ISOLATION AND EXTRACTION TECHNIQUES
CHAPTER 10 Non-Extractable Polyphenols in Plant Foods: Nature,
Isolation, and Analysis......................................................203
10.1 Introduction...............................................................................203
10.2 Nature of NEPP.........................................................................204
10.3 Isolation of NEPP......................................................................205
10.4 Analysis of NEPPS...................................................................208
10.4.1 Analysis of class I NEPP...............................................208
10.4.2 Analysis of class II NEPP.............................................208
10.5 NEPP content in plant foods.....................................................210
10.6 Potential applications of NEPP................................................212
10.7 Concluding remarks..................................................................213
References..........................................................................................213
CHAPTER 11 Resin Adsorption and Ion Exchange to Recover and
Fractionate Polyphenols....................................................219
11.1 Adsorption and ion exchange technology—from past to
present and future applications..................................................219
11.2 Adsorbent and ion exchange materials.....................................220
11.3 Principles of adsorption and ion exchange................................221
11.4 Application of adsorption and ion exchange technology..........222
Contents ix
11.5 Application of adsorbent resins and ion exchangers for the
recovery of bio- and techno-functional phenolic compounds
from by-products of food processing........................................223
References..........................................................................................228
CHAPTER 12 Polyphenols Compounds from Flowers of Hibiscus:
Characterization and Bioactivity........................................231
References..........................................................................................237
CHAPTER 13 Hydrothermal Processing on Phenols and Polyphenols in
Vegetables.....................................................................». 241
References..........................................................................................251
PART 3 POLYPHENOLS IDENTIFICATION AND
_OCCURRENCE_
CHAPTER 14 Improved Characterization of Polyphenols Using Liquid
Chromatography................................................................261
14.1 Introduction...............................................................................261
14.2 Sample preparation....................................................................263
14.2.1 Analyte isolation...........................................................263
14.2.2 Analyte purification. Solid phase extraction.................266
14.3 High performance liquid chromatography (HPLC)..................267
14.3.1 Ultraviolet detection......................................................267
14.3.2 Fluorescence detection..................................................270
14.3.3 Electrochemical detection.............................................271
14.3.4 Mass spectrometry........................................................272
14.4 Ultra-high-performance liquid chromatography (UHPLC)......281
14.4.1 UHPLC-UV...................................................................282
14.4.2 UHPLC-MS/MS............................................................282
14.5 Conclusions...............................................................................283
References..........................................................................................284
CHAPTER 15 Characterization and Quantification of Polyphenols in
Fruits...............................................................................293
15.1 Introduction...............................................................................293
15.2 Sample preparation....................................................................295
15.3 Analytical methods....................................................................296
References..........................................................................................300
CHAPTER 16 Determination of Polyphenols, Flavonoids, and Antioxidant
Capacity in Dry Seeds.......................................................305
16.1 Introduction...............................................................................305
X
Contents
16.2 Extraction of polyphenols from seeds.........................................306
16.2.1 Sample preparation.........................i................................306
16.2.2 The extraction process.....................................................307
16.2.3 Solvent type.....................................................................308
16.2.4 Solvent-to-water ratio......................................................308
16.2.5 Solvent-to-solid ratio.......................................................309
16.2.6 Number of extraction steps..............................................309
16.2.7 Extraction duration..........................................................309
16.2.8 Extraction temperature....................................................310
16.3 Additional extraction techniques for seed polyphenols..............310
16.3.1 Ultrasound-assisted extraction.........................................311
16.3.2 Microwave-assisted extraction........................................311
16.3.3 Supercritical fluid extraction...........................................312
16.3.4 Pressurized liquid extraction...........................................313
16.4 Methods for quantification of total polyphenols, total
flavonoids and antioxidant activity in seeds................................314
16.4.1 Quantification of total polyphenols, flavonoids, and
anthocyanins....................................................................314
16.4.2 Quantification of antioxidant activity..............................315
References............................................................................................317
Index......................................................................................................................325
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| spelling | Polyphenols in plants isolation, purification and extract preparation ed. by Ronald Ross Watson 1. ed. London [u.a.] Acad. Press 2014 XVIII, 331 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Polyphenole (DE-588)4175280-6 gnd rswk-swf Pflanzen (DE-588)4045539-7 gnd rswk-swf (DE-588)4143413-4 Aufsatzsammlung gnd-content Pflanzen (DE-588)4045539-7 s Polyphenole (DE-588)4175280-6 s b DE-604 Watson, Ronald R. Sonstige oth HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027251372&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Polyphenols in plants isolation, purification and extract preparation Polyphenole (DE-588)4175280-6 gnd Pflanzen (DE-588)4045539-7 gnd |
| subject_GND | (DE-588)4175280-6 (DE-588)4045539-7 (DE-588)4143413-4 |
| title | Polyphenols in plants isolation, purification and extract preparation |
| title_auth | Polyphenols in plants isolation, purification and extract preparation |
| title_exact_search | Polyphenols in plants isolation, purification and extract preparation |
| title_full | Polyphenols in plants isolation, purification and extract preparation ed. by Ronald Ross Watson |
| title_fullStr | Polyphenols in plants isolation, purification and extract preparation ed. by Ronald Ross Watson |
| title_full_unstemmed | Polyphenols in plants isolation, purification and extract preparation ed. by Ronald Ross Watson |
| title_short | Polyphenols in plants |
| title_sort | polyphenols in plants isolation purification and extract preparation |
| title_sub | isolation, purification and extract preparation |
| topic | Polyphenole (DE-588)4175280-6 gnd Pflanzen (DE-588)4045539-7 gnd |
| topic_facet | Polyphenole Pflanzen Aufsatzsammlung |
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