Dried sweet potato chips can be stored for up to six months when packaged in airtight, strong, black plastic bags. Its large, starchy, sweettasting, tuberous roots are a root vegetable. The sweet potato is commonly thought to be a type of potato solanum tuberosum but does not belong to the nightshade. The third page of the document can be copied as many times as you need depending on how long your class project lasts. Pdf analysis of the determinants of sweet potato value addition. Sweet potato value addition is increasingly being popularized among producers due to its potential to reduce wastage, increase market access and fetch optimal prices. Botanically, the sweet potato belongs to the bindweed or morning glory family, whereas the white potato sits in the nightshade family.
The sweet potato or sweetpotato ipomoea batatas is a dicotyledonous plant that belongs to the bindweed or morning glory family, convolvulaceae. More consumer familiarity with fresh sweet potatoes and increases in sweet potato fry consumption contribute to the increase. The only solution to help farmers earn more was by adding value to the sweet potatoes. Professor leigh anderson, principal investigator associate. Beginning with potato nutrition facts and ending with a monthly calendar of ideas for news features, newsletters and blog posts, these pages are brimming with historical potato. Pdf on apr 30, 2017, mary orinda and others published analysis of the determinants of sweet potato value addition by small holder farmers. Structure of sweet potato ipomoea batatas diversity in. The role of orange fleshed sweet potato ipomea batatas. Determinants of sweet potato value addition among smallholder farming households in kwara state, nigeria. Despite these documented benefits, smallholder sweet potato producers in kenya have.
Potato value chain analysis and development in ethiopia case of tigray and snnp regions reported by bezabih emana and mengistu nigussie financial support by usaid october 2011 international potato center cipethiopia, co ilri, p. Age of cultivars varieties cutting means months gem miguela chipper bonara for ages tuber weight per plant kg 2 1. Sustainable potato production food and agriculture. Orangefleshed cultivars in particular have immense potential to improve household income and nutrition in subsaharan africa. Specifically, the chapter describes the role of the sweet potato in human diets. Farmers can earn more by adding value to sweet potato. Order sweet potato diseasetested materials pdf research on sweet potato include the following areas. Pdf analysis of the determinants of sweet potato value addition by. Lam is the sixth most important food crop in the world, and new uses for this crop have been identified.
More and more consumers are finding this is an easy, quick solution with a healthy kick. It can be kept for some time in the soil as a reserve crop, withstands extreme weather conditions, and. Sweet potato nutrition health benefits of sweet potatoes. This study analyzed the factors influencing value addition and extent of value addition by smallholder. Nutritional and medicinal qualities of sweetpotato tops.
Nevis and trinidad and tobago where cassava and sweet potato production have. However, the sweet potato value chain spvc is not welldeveloped in many producing countries. This handbook is a compilation of allthingspotato as it relates to nutrition research and more. Our individual microwave sweet potatoes are growing daily, reveals mike kemp, business analyst for market fresh, in nixa, mo. In addition, sweet potato is receiving increased attention as a rich source of vitamin a 3, 2. Are sweet potatoes a healthy food choice if you have diabetes. Sweet potato value addition techniques practiced by the smallholder sweet potato. Sweet potatoes are an easytoprepare root vegetable, filled with vitamins, minerals, fiber, and healthpromoting phytonutrients. The following guidelines help farmers to grow sweet potatoes. In 2012, sweet potato gross value has dropped by 7. Analysis of the determinants of sweet potato value. Nutritional value of sweet potato sweet potatoes are a rich source of fibre as well as containing an array of vitamins and minerals including iron, calcium, selenium, and theyre a good source of most of our b. Root and tuber crops cassava, yam, potato and sweet potato.
Pdf on apr 30, 2017, mary orinda and others published analysis of the determinants of sweet potato value addition by small holder farmers in kenya find, read and cite all the research you need. The potato value chain in bhutan 55 constraints of potato seed production in developing countries 61 terminal markets as the fundamental driver for seed potato 71 postharvest research to respond to constraints in the potato value chain. Chemical composition of sweet potato ipomea batatas lam. Determinants of sweet potato value addition among smallholder. Sweet potato production in uganda uganda is the largest producer of sweet potato in africa and the sweet potato ranks third in importance as a stable food after bananas and cassava. Lowcost technologies for value addition of orange fleshed. Key challenges currently, potato production levels in njombe sit at a third of their potential, primarily due to low availability and use of quality seed, as well as limited knowledge of gap. In addition, women development groups leaders and farmers received training on different sweet potato food recipe preparation, nutritional value and agroprocessing techniques of ofsp which will increase the knowledge level of the target group society on the cultivation and relevance of the crop in mitigating vitamin a deficiency. Despite these documented benefits, smallholder sweet potato producers in kenya have not implemented value addition widely. Sweet potato prices had drastically dropped due to a sweet potatoes glut in the market. Sweet potatoes gained some popularity as a lowercarb potato in the early 2000s. Pdf evaluation of effects of value addition in sweet.
Determinants of sweet potato value addition among smallholder farming households in kwara state, nigeria 18 becomes imperative to process sweet potato into storable products ndunguru, 2003. There is new emphasis by most organizations as well as governments to focus on the whole value chain from production to markets. Sweet potato value chain analysis reveals opportunities. Unlike the southeast asian countries and india, china, which is the largest producer of sweet potato, also utilizes a major part of its production for animal feed purposes. Sweet potato flour can be used to make doughnuts and pancakes. Although the terms yam and sweet potato are used interchangeably, there are many differences between the sweet potato vs yam in terms of taste, appearance and nutrition. Sweet potato value addition has become an increasingly important aspect in improving the diversification in its production and expanding the unexploited market. Value addition and markets 63 farmers health, safety and welfare 65 section 4 implications for policy and research 67 building support at policy level 69 research for development agenda 71 partnerships for policy and research 75 section 5 potato fact sheets 77 potato and biodiversity 78 production of diseasefree seed tubers 80 potato pest. Homa bay county is among the leading areas of production in kenya due to its favorable land conditions and rainfall patterns that enables sweet potato to thrive well in the region.
Sweet potato benefits for men and women include improving eye health, enhancing immunity, boosting brain function, aiding in weight loss and regulating blood sugar. The new varieties of orangefleshed sweet potatoes are highly productive when compared to local varieties, sometimes by up to 50% and are early maturing, meaning they can be grown twice in a year. Pdf determinants of sweet potato value addition among. Sweet potato is a staple food, ranking seventh among food crops in annual production in the world 4 and fifth for its caloric contribution in developing countries after rice, wheat, maize and cassava 5.
Different methods of potato value addition at the dutch pavilion during the eldoret trade fair. Everything you ever wanted to know about sweetpotato. Farmers have the option of adding value to their sweet potatoes to fetch optimal prices. Furthermore, membership of association extension visits and access to credit significantly increased farmers level of value addition to sweet potato by 1. Value added sweet potatoes produce business magazine.
Box 53620115, egerton, kenya abstract sweet potato value addition is increasingly being popularized among. This publication is also available in electronic pdf format from the institutes web site. Sweet potato has gained prominence due to its ability to adapt to wide production ecologies and yield response to minimal external inputs. Sweet potato technical manual 4 est diversity of sweet potato germplasm is in columbia, ecuador, guatemala and peru. Microventures market linkages project microventures market linkages project objective sustainable trade project the purpose of this report is ficato present a value chain analysis vca of three commodities, contributenamely tomato, onion and irish potato, in. Orangefleshed sweet potatoes are nutritious the organic. Hence, this study was carried out to assess value addition of sweet potato ipomoea batatas. Other producers are also having success with valueadded sweet potatoes that offer greater convenience. Martins effect of age of planting material onyields of sweet potato from cuttings, tropical root and tuber crops newsletter 15. In addition, application of sweet potato dietary fiber in staple food, beverage, meat products, and functional foods are introduced. For many years, the varieties hanna and golden sweet sometimes also called hanna gold were the main dryfleshed types grown. In addition to their nutritional value, sweet potatoes contain properties that may lower the risk of type 2 diabetes.
Pdf analysis of the determinants of sweet potato value. The aggregate value of yam, cassava, potato and sweet potato exceeds all other african staple crops, and is much higher than the value of cereal crops cereals annually producing on average 169 million tons from 108 million ha of land. Limitations and processing technologies of sweet potato. Some facts about dried sweet potato chips and flour any sweet potato variety can be dried to make chips, which can then be milled into flour. Weekly journal that can be used with a grow a sweet potato in a cup class project. Chemical composition of sweet potato ipomea batatas lam dishes as consumed in kwara state, nigeria 4 international food research journal 17. Results showed that sweet potato dietary fiber had high purity, good physicochemical and functional properties and exhibited better fat and glucose regulation. Land should be prepared before the beginning of the rains. Sweet potato value addition has become an increasingly important aspect in improving the diversification in its production and expanding the unexploited market amongst consumers.
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