PMID- 30267824
OWN - NLM
STAT- MEDLINE
DCOM- 20190109
LR  - 20190109
IS  - 1879-0003 (Electronic)
IS  - 0141-8130 (Linking)
VI  - 120
IP  - Pt B
DP  - 2018 Dec
TI  - Chitosan polysaccharide as a renewable functional agent to develop antibacterial, 
      antioxidant activity and colourful shades on wool dyed with tea extract 
      polyphenols.
PG  - 1999-2006
LID - S0141-8130(18)33421-4 [pii]
LID - 10.1016/j.ijbiomac.2018.09.167 [doi]
AB  - Chitosan is a potential renewable, versatile amino polysaccharide which has been 
      approved by food and drug administration for use in food, cosmetics, 
      pharmaceuticals and other industries. In order to determine if chitosan can be 
      utilized in the development of colourful and multifunctional wool fabric without 
      the need of toxic metal salt mordants, we have investigated the colouring, 
      radical scavenging and antibacterial activity of wool dyed with tea extract 
      polyphenols using chitosan as a green pre-treatment finishing agent. UV-vis 
      analysis confirmed the optical properties of tea polyphenols, while 
      Fourier-transform infrared spectroscopy (FT-IR), Scanning electron microscope 
      (SEM) and Thermogravimetric analysis (TGA) spectroscopic characterizations 
      demonstrated binding, surface morphology and thermal stability properties of 
      chitosan coated wool. Colour spectrometry data obtained in terms of CIEL*a*b* 
      values showed an outstanding effect of the chitosan pre-treatment. The Camellia 
      sinensis (tea) extract dyed wool yielded interestingly elegant pale to golden 
      yellowish colours with acceptable wash fastness properties. The chitosan gets its 
      affinity for the wool via hydrogen bonding, electrostatic and van der Waals 
      interactions. The results also showed that chitosan pre-treatment imparts 
      excellent radical scavenging and antibacterial activity against E. coli and S. 
      aureus, and thus offers new opportunities in the realm of natural dyeing.
CI  - Copyright (c) 2018 Elsevier B.V. All rights reserved.
FAU - Shahid-Ul-Islam
AU  - Shahid-Ul-Islam
AD  - Department of Textile Technology, Indian Institute of Technology Delhi, Hauz 
      Khas, New Delhi 110016, India. Electronic address: shads.jmi@gmail.com.
FAU - Butola, B S
AU  - Butola BS
AD  - Department of Textile Technology, Indian Institute of Technology Delhi, Hauz 
      Khas, New Delhi 110016, India. Electronic address: bsbutola@textile.iitd.ac.in.
FAU - Roy, Anasuya
AU  - Roy A
AD  - Department of Textile Technology, Indian Institute of Technology Delhi, Hauz 
      Khas, New Delhi 110016, India.
LA  - eng
PT  - Journal Article
DEP - 20180926
PL  - Netherlands
TA  - Int J Biol Macromol
JT  - International journal of biological macromolecules
JID - 7909578
RN  - 0 (Anti-Bacterial Agents)
RN  - 0 (Biphenyl Compounds)
RN  - 0 (Coloring Agents)
RN  - 0 (Free Radical Scavengers)
RN  - 0 (Picrates)
RN  - 0 (Polyphenols)
RN  - 0 (Tea)
RN  - 9012-76-4 (Chitosan)
RN  - DFD3H4VGDH (1,1-diphenyl-2-picrylhydrazyl)
SB  - IM
MH  - Animals
MH  - Anti-Bacterial Agents/chemistry/pharmacology
MH  - Biphenyl Compounds/chemistry
MH  - Chitosan/*chemistry/*pharmacology
MH  - Color
MH  - Coloring Agents/*chemistry
MH  - Escherichia coli/drug effects
MH  - Free Radical Scavengers/chemistry/pharmacology
MH  - Picrates/chemistry
MH  - Polyphenols/*chemistry
MH  - Staphylococcus aureus/drug effects
MH  - Tea/*chemistry
MH  - Wool/*chemistry
OTO - NOTNLM
OT  - Antibacterial activity
OT  - Antioxidant activity
OT  - Chitosan polysaccharide
OT  - Tea polyphenols
OT  - Wool finishing
EDAT- 2018/09/30 06:00
MHDA- 2019/01/10 06:00
CRDT- 2018/09/30 06:00
PHST- 2018/07/06 00:00 [received]
PHST- 2018/09/11 00:00 [revised]
PHST- 2018/09/25 00:00 [accepted]
PHST- 2018/09/30 06:00 [pubmed]
PHST- 2019/01/10 06:00 [medline]
PHST- 2018/09/30 06:00 [entrez]
AID - S0141-8130(18)33421-4 [pii]
AID - 10.1016/j.ijbiomac.2018.09.167 [doi]
PST - ppublish
SO  - Int J Biol Macromol. 2018 Dec;120(Pt B):1999-2006. doi: 
      10.1016/j.ijbiomac.2018.09.167. Epub 2018 Sep 26.