Banca de QUALIFICAÇÃO: JAILTON RIBEIRO DOS SANTOS JUNIOR

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : JAILTON RIBEIRO DOS SANTOS JUNIOR
DATE: 03/02/2023
TIME: 10:00
LOCAL: on line
TITLE:

DEVELOPMENT AND CHARACTERIZATION OF COMPOSITE FILM AND ITS APPLICATION IN THE PRESERVATION OF YELLOW PASSION FRUIT (Passiflora edulis Sims f. flavicarpa DEG)

KEY WORDS:

Keywords: Polymers, post-harvest, casting.

PAGES: 31
BIG AREA: Ciências Agrárias
AREA: Ciência e Tecnologia de Alimentos
SUBÁREA: Tecnologia de Alimentos
SPECIALTY: Embalagens de Produtos Alimentares
SUMMARY:

Passion fruit (Passiflora edulis Sims f. flavicarpa DEG) is a fruit of tropical origin, widely
sold in Brazil, the world's largest producer and consumer. It is a climacteric fruit, that is, its
ripening process continues even after the fruit is detached from the plant. As characteristic of
a climacteric fruit, passion fruit has a short shelf life due to its perishability, in addition it is
susceptible to attack by pathogenic microorganisms such as fungi, causing losses during the
post-harvest period. Another important factor that causes losses is the wilting of the fruit due
to water loss, leaving the fruit wrinkled. The main objective of this work is to develop
composite films based on chitosan and carnauba wax or rosin resin containing zinc oxide
nanoparticles, to be applied as a coating on yellow passion fruit. For this, six filmogenic
solutions will be produced containing chitosan (1.2% m/v), carnauba wax or rosin resin (0.6%
m/v)) and zinc oxide nanoparticles (0.5% m/v ). Once homogenized, the filmogenic solutions
will be poured into petri dishes and taken to an oven with air circulation at 30 ºC for 48 hours
to form the films. The films will be characterized according to their mechanical, physical and
chemical aspects. After the characterization process, the solutions will be applied in the form
of a coating on the passion fruit, which will be stored for a period of 16 days at room
temperature. During storage, the fruits will be characterized every two days regarding their
physical, chemical and microbiological aspects. The expected product of this project are
chitosan films and coatings with carnauba or rosin resin containing zinc oxide nanoparticles
and the development of a biopolymer coating as a sustainable alternative to extend the shelf
life of passion fruit.

COMMITTEE MEMBERS:
Presidente - ***.646.967-** - LOURDES MARIA CORRÊA CABRAL - EMBRAPA
Interno - ***.379.796-** - NATHÁLIA RAMOS DE MELO - UFF
Externa à Instituição - CAROLINE CORRÊA DE SOUZA COELHO