Cassava starch as an effective component for ideal biodegradable plastics a science investigatory project presented to philippine women's college of davao. Cassava, when dried to a powdery (or pearly) extract, is called tapioca its fried, granular form is named garri cassava is the third-largest source of food carbohydrates in the tropics, after rice and maize cassava is a major staple food in the developing world, providing a basic diet for over half a billion people. Cassava starch extraction wet method as described by ihekoronye and ngoddy was used for cassava starch isolationfresh cassava tuber was manually peeled, washed with clean tap water and milled into slurries.
Starch is the major component of cassava root and can amount up to 80% of dried weight of the root (olomo & ajibola, 2003) it is naturally expected that the quality of many cassava-based products is to a large extent determined by the starch quality. Cassava tubers were gathered, ground and squeezed to extract starch starch obtained was weighed and divided into three equal parts 80 grams in t1, t2 and t3 treatments also consisted of 60 ml plastic resin glue and resin with 50 grams of flour catalyst for t1, 100 grams for t2 and 150 grams in t3. Cassava starch is produced primarily by the wet milling of fresh cassava roots but in some countries such as thailand it is produced from dry cassava chips starch is the main constituent of cassava.
Experimental studies have demonstrated that cassava starch could be used for making various types of packaging products as a major source of starch in tropical and subtropical regions, cassava is a promising raw material for the development of biodegradable plastics in these areas. Explain the ccascassava starch as an effective component for ideal biodegradable plastics. Title: cassava starch as an effective component for ideal biodegradable plastic proponent: zhaira morysette l maco, iii-narra student introduction: inventions have evolved and continue to evolve such that after several years of study, research and experimentation reach great developments. Cassava nutrition facts cassava (yuca or manioc) is a nutty flavored, starch-tuber in the spurge family (euphorbiaceae) of plants it thought to have originated from the south-american forests.
Cassava starch can be completely gelatinized at 65-70°c with 45% moisture content, but the granule is maintained at a moisture content under 5% the melting point (tm) of dry cassava starch (almost anhydrous) is about 170°c. Invited audience members will follow you as you navigate and present people invited to a presentation do not need a prezi account this link expires 10 minutes after you close the presentation.
To find an alternative method, cassava (manihot esculenta) starch and corn (zea mays) starch are being studied as an effective component in producing biodegradable plastics plastics have been the fastest growing basic material because they are versatile, light weight, energy saving, durable and recyclable. Using cassava starch in developing biodegradable plastic is one big step to lessen, if not total eliminate, our global concerns generally, this study is conducted to replace the conventional non-biodegradable plastics using cassava starch as its main component for ideal biodegradable plastic some plastics use starch as an additive.
The longstanding quest of developing starch-based biodegradable plastics has witnessed the use of different starches in many forms such as native granular starch, modified starch, plasticized starch and in blends with many synthetic polymers, both biodegradable and non-biodegradable, for the purpose of achieving cost effectiveness and. Cassava starch as an effective component for ideal biodegradable plastic 2508 words | 11 pages title: cassava starch as an effective component for ideal biodegradable plastic proponent: zhaira morysette l maco, iii-narra student introduction: inventions have evolved and continue to evolve such that after several years of study, research and experimentation reach great developments. The all-round choice for starch equipment maize, wheat, potatoes and cassava (also known as manioc in some regions) and to a lesser extent from component parts.
Cassava is a major staple food in the developing world, providing a basic diet for around 500 million peoplecassava is one of the most drought-tolerant crops, capable of growing on marginal soils. Cassava starch is composed of two components such as amylose and amylopectin since plastics are made of polymers, starch is a very favorable raw material in plastic-making as a major source of starch in tropical and subtropical regions, cassava is a promising raw material for the development of biodegradable plastics in these areas.