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DETERMINATION OF STARCH COMPOSITION OF THE CASSAVA (Manihot

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John Kristoffer Mendoza

on 10 October 2013

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Transcript of DETERMINATION OF STARCH COMPOSITION OF THE CASSAVA (Manihot

DETERMINATION OF STARCH COMPOSITION OF THE CASSAVA (Manihot esculenta) SKIN: A THIRD GENERATION SOURCE FOR BIOPLASTIC
Most plastics are made from crude oil. Molecules present in crude oil undergo chemical reactions that create monomers, which are assembled together to make polymers that can be processed into plastics (Washam, C., 2010).
Cassava is also used to produce starch for industrial use and other products used in processed food. Cassava starch can perform most of the functions where maize, rice and wheat starch are currently used.( Tonukari, N., 2004).
Cassava waste produced from cassava skin was used as the biodegradable fillers. Starch and fibre present as the constituents in the cassava skin. Cassava skins contain significant amount of starch and fibres (Rahman,W. and Munthoub,D. 2011)
METHODOLOGY
RESULTS AND DISCUSSION
The results indicate the amount of starch that was produced after the sedimentation process. According to Bilge Kocamemi (n.d.) Sedimentation is a separation of unstable and destabilized suspended solids from a suspension by the force of gravity.
Introduction
TABLE 1: Percentage Mass of Produced Starch
The experiment undergoes two different trials, both trials undergone the same method. Table 1 shows the data percentage mass of starch from the cassava peel. Same amount of starch was obtained in 30 grams of cassava peel from both trials.
Conclusion
The researchers concluded that there is indeed a great amount of starch in the cassava skin with a ratio of 1.3g: 30g or equivalent to the 4.33% of the cassava peel. It is also concluded that there is a presence of starch in the cassava skin which can be used as a raw material for bioplastic.
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