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Cassava (Manihot esculenta), also called yuca, mogo, manioc, mandioca and kamoting kahoy, a woody shrubof the Euphorbiaceae (spurge family) native to South America, is extensively cultivated as an annual crop in tropicaland subtropical regions for its edible starchy, tuberous root, a major source of carbohydrates. It differs from the similarly-spelled yucca, an unrelated fruit-bearing shrub in the Asparagaceae family. Cassava, when dried to a starchy, powdery (or pearly) extract is called tapioca, while its fermented, flaky version is named garri.

Cassava is the third-largest source of food carbohydrates in the tropics. Cassava is a major staple food in the developing world, providing a basic diet for around 500 million people.Cassava is one of the most drought-tolerant crops, capable of growing on marginal soils. Nigeria is the world's largest producer of cassava.

Cassava root is a good source of carbohydrates, but a poor source of protein. A predominantly cassava root diet can cause protein-energy malnutrition.

Cassava is classified as sweet or bitter. Like other roots and tubers, Cassava contains anti-nutrition factors and toxins. It must be properly prepared before consumption. Improper preparation of cassava can leave enough residual cyanide to cause acute cyanide intoxication and goiters, and may even cause ataxia or partial paralysis.Nevertheless, farmers often prefer the bitter varieties because they deter pests, animals, and thieves. The more-toxic varieties of Cassava are a fall-back resource (a "food security crop") in times of famine in some places.

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What are the raw materials to produce bio-plastics from cassava starch?

no because i am not familiar with that


How do science and technology offer Africans hope for the future?

Researchers have worked to save the important cassava crop, which was threatened by insects, about (200) two-hundred million Africans depend on cassava as their main source of calories. Also scientist are working with farmers to stop soil erosion. And, researchers have curbed tropical diseases


How does science contribute to technologic?

Achieve advancement in technology.Answer--The central question of this paper is; what has science and technology contributed to African development? Ideally, this section should document: the new firms that have been brought into being as a result exploiting science and technology opportunities; the new products and processes that have resulted; the number of jobs that have been created as a result of technology - based firms that have been started; the contribution of science and technology to Gross Domestic Product (GDP); and the development of new industry clusters of high technology firms.In the introduction, we showed that there are theoretical and methodological problems in trying to isolate the contribution of science and technology to GDP. However, it is generally agreed that science and technology is critical for economic growth even when its precise contribution has rarely been determined. We shall therefore examine the less controversial contributions of science and technology in the rest of this section.Science and technology has contributed to Africa=s development in at least four areas: agriculture, transport and communication, energy, human and animal health; education and the environment. African agriculture has witnessed considerable transformation in several respects. Crops that were formally alien to the continent such as wheat, barley, rice, maize, tomatoes and apples have been successfully introduced and adapted to different countries in Africa.Many research results from the agricultural research institutions on the continent have been successfully disseminated to farmers. This dissemination has transformed plant breeding, agronomy, physiology and horticulture. The impact of these results has been manifested in higher yields; the introduction of disease, and pest - resistant varieties; and the production of crops of higher nutritional value. Our Table 8 gives the lowest and highest yields achieved in the four most popular staple foods of Africans - maize, sorghum, cassava and yams. When these are contrasted with traditional yields, the impact of new technology becomes obvious. The highest yield increases were achieved with respect to root crops.Perhaps the most remarkable impact of science and technology has been manifested in the health and medicine areas. The percentage of children under one year immunized against the common childhood diseases of tuberculosis, DPT, polio, and measles averaged 63%, 50%, 50%, and 51% respectively for all of sub - Saharan African in 1993. Other measures of health facilities also show that science and technology have made important contributions to African development. Life expectancy, although still generally low, has risen steadily in all of Africa, except for a few countries ravaged by the Aids plague. Access to health services has improved; maternal and infant mortality has been falling drastically in the last two decades.At the beginning of the Twentieth Century, the bulk of sub - Saharan Africa (SSA) was unaffected by the Industrial Revolution. Colonialism introduced some form of primary processing of basic raw materials, and mineral resources that supplied the industries of the colonial masters. The primary processing was further extended following political independence. Many of the industrial establishments in Africa thrived under heavy protection in the past. With increasing liberalisation, Africa=s manufacturing must harness the resources of science and technology in order to attain competitiveness. Manufacturing value - added still remains very low in most African countries with the exception of South Africa, Mauritius, Zimbabwe and a handful of other countries. Manufacturing poses the most critical challenge to African countries for harnessing the resources of science and technology for development. It is also the area in which Africa=s backwardness is most conspicuous.


Related questions

Steps in cassava starch as an effective component for ideal biodegradable plastic?

explain the CCasCassava starch as an effective component for Ideal Biodegradable Plastics


How is cassava starch used to make plastics?

Cassava Starch by itself: Best to buy a full resin from a resin manufacturer such as NatureWorks or Mater-Bi.


What is the procedure in making of cassava starch as an effective component for ideal biodegradable plastic?

first... open ur computer second... open ur internet third search further fourth you will find it


What are the raw materials to produce bio-plastics from cassava starch?

no because i am not familiar with that


Which is a dicot sugarcane cassava banana coconut?

cassava


What is a slogan for the cassava?

cassava is cool


What is cassava products?

Cassava products are the products produced from cassava, a kind of tuber, which is a staple in some African countries. Most Asian countries also use these products. The common products from cassava are cassava paste (steamed or unsteamed), cassava chips and flour, cassava granules (steamed or toasted), and the fresh roots of cassava. Other products produced from cassava are casava breads,alcohol,starch,pudding etc.


How do you say Cassava in Swahili?

mhogo (cassava)


How is cassava beer made?

The Caribs made cassava beer by chewing the cassava in their mouth and then spits it out to get it rich.


What is Ubugali?

Cassava Porridge ---- Cassava is a root vegetable.


What is the stressed syllable for cassava?

Cassava is stressed on the second syllable.


What is the future of cassava in the ethanol market?

the uses of cassava and its usefulness.