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Biopolymers and Bioplastics 2016
September 12-14, 2016
Volume 7, Issue 5(Suppl)
J Bioremed Biodeg 2016
ISSN: 2155-6199 JBRBD, an open access journal
conferenceseries
.com
September 12-14, 2016 San Antonio, USA
3
rd
International Conference and Exhibition on
Biopolymers & Bioplastics
Elena Poverenov, J Bioremed Biodeg 2016, 7:5(Suppl)
http://dx.doi.org/10.4172/2155-6199.C1.002Biopolymers-based active edible coatings to improve quality and safety of food products
Elena Poverenov
Agricultural Research Organization, Israel
B
iodegradable and edible biopolymers can be utilized as active coatings to control safety and enhance quality of food
products. Edible coatings based on natural components respond to customer demands for safe and healthy approaches
for food quality management and satisfy environmental concerns. Edible coatings may protect food products from physical,
mechanical, and microbial damages and also allows delivery of beneficial components. In our laboratory, we utilize advanced
materials science approaches to develop highly effective, safe and applicable edible coatings based on biopolymers. Layer-
by-Layer (LbL) approach enables to control properties and functionality of materials. Natural polysaccharides-based
coatings were implemented for various fresh fruits (melon, orange, mandarin, grapefruit, and sweet pepper) by utilizing
LbL method. The LbL coatings were combined with good adhesion of the inner poly-anion layer and beneficial activity of
the outer poly-cation layer. The LbL arranged biopolymers resulted in significant elongation of product shelf life, since they
slowed down tissue degradation, prevented development of hypoxic stress and off-flavors, and effectively inhibited microbial
spoilage. Nanoemulsions were utilized to incorporate active component into the edible coatings. Food-source citral, a natural
antimicrobial and aroma agent was introduced in matrices of various biopolymers. The nano-emulsified active coatings were
compared to those of the coarse-emulsified.
Biography
Elena Poverenov has completed her PhD in Organic Chemistry from Weizmann Institute of Science and Post-doctoral studies in Polymers and Material Chemistry
from Weizmann Institute of Science. Since 2011, she is Research Scientist in the Institute of Postharvest and Food Sciences at Agricultural Research Organization,
The Volcani Center. Her research group is implementing new advanced approaches from chemical science to improve quality and safety of food and agricultural
products. She has published 30 papers in international journals including top journals, such as
Nature
and
JACS
and has been serving as an Editorial Board
Member.
elenap@volcani.agri.gov.il