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Materials Congress 2018
Page 56
Nano Research & Applications
ISSN: 2471-9838
W o r l d C o n g r e s s o n
Materials Science & Engineering
A u g u s t 2 3 - 2 5 , 2 0 1 8
Am s t e r d a m , N e t h e r l a n d s
I
n this study, the waste nata de coco, food industrial residue of the production
of commercial nata de coco, was used as alternative cellulose source
because of not only inexpensive source but also ability to be modified. The
utilization of cellulose has been getting attention due to their spectacular
properties such as bio-renewability, ubiquitous availability in a variety of forms
and low cost. In addition to cellulose, cellulose derivatives which are produced
by chemical modification of cellulose are also extensively used in many areas.
Carboxymethyl cellulose (CMC) is the most widely used cellulose derivative
for various applications such as textiles, paper, detergents, foods, drugs, and
cosmetics. In the present study, the cellulose extracted fromwaste nata de coco
was then modified to CMC by etherification process using sodium hydroxide
(NaOH) and monochloroacetic acid (MCA) for being used as a food stabilizer.
To achieve the optimal conditions for the CMC production, the concentrations
of NaOH and MCA, reaction time, and reaction temperature were optimized.
The degree of substitution (DS) was analyzed with respect to the reaction
conditions using a chemical method. Structural information and chemical
composition of cellulose and CMC were obtained by using Fourier transform
infrared spectroscopy (FTIR). The surface morphology and crystallinity were
studied with field emission scanning electron microscopy (FESEM), and X-ray
diffraction (XRD), respectively. From the results, the obtained CMC were good
water soluble with optimal DS of 0.7 to 0.8, which exhibited their potential for
food industrial applications.
Biography
Lalita Narkyos has received her BSc degree in Chemistry,
Chulalongkorn University (Second class with Honours).
Chemistry program at Chulalongkorn University greatly
developed her skills and also improved her character such as
hardworking, punctual and assiduous. However, she realized
the necessity of polymer industries which directly influenced
economy because polymer is the main composition in various
objects and also several new innovations. Therefore, she has
furthered her study by studying MSc in Polymer Science at
the Petroleum and Petrochemical College, Chulalongkorn
University. Her research is on cellulose which is a biopolymer
and is able to be used in various applications. Her research
focuses on using the alternative source of cellulose which is
of industrial wastes and modification of that cellulose for food
application.
lalitanycfc@gmail.comSynthesis and characterization of carboxymethyl cellulose
from waste nata de coco
Lalita Narkyos and Hathaikarn Manuspiya
The Petroleum and Petrochemical College, Thailand
Lalita Narkyos et al., Nano Res Appl 2018, Volume: 4
DOI: 10.21767/2471-9838-C4-018