Sweet potato nutrition health benefits of sweet potatoes. White and purple flesh sweet potatoes, as well as organic sweet potatoes, are possible market niches that kentucky growers could fill. Age of cultivars varieties cutting means months gem miguela chipper bonara for ages tuber weight per plant kg 2 1. Other potato products all chips slices formed shredded hash browns dices mashed. Commercial processing of sweet potato products depends on the market and the location.
Trinity has a fresh packing plant in clinton, nc, a frozen processing plant in pembroke, nc and works with a team of growers located in eastern north carolina to manufacture and distribute frozen sweet potato fries and sweet potato flour. If you are unsure about weevils in your area, contact your county extension agent or the state department of agriculture. The sweet potato is considered as a staple in some tropical countries where rice and potatoes solanum tuberosum are scarce or expensive. The plant has enlarged roots called tubers which act as an energy store for the plant. Most of the product is used for table consumption with a small percentage going into industrial uses and animal feed. A genius in botany and agricultural experimentation, dr. Nutritional and medicinal qualities of sweetpotato tops and leaves shahidul islam professor plant science sweetpotato ipomoea batatas l. Biofortification of sweet potato for food and nutrition. The sweet potato is suitable for growing in zones 311 as an annual, and zones 811 as a perennial. Orange fleshed sweet potato was used for making leather in malaysia yaacob and raya 1983, by cooking, mashing and sieving the pulp. Martins effect of age of planting material onyields of sweet potato from cuttings, tropical root and tuber crops newsletter 15. Warming for two to four weeks at temperatures from 75 degrees f to 85 degrees f, with a relative humidity of 90 percent and adequate ventilation, is optimal. In 1998, sweet potato was ranked as the fourth most important food crop in the usa, simmonds 1995.
Here, we used highthroughput sequencing of pooled amplicons of target genes to identify sequence. Seasonal availability of both fresh roots and sweet potato flour hindered continued processing of. Farmers can earn more by adding value to sweet potato. Sweet potato ipomoea batatas is a plant found in the tropical and subtropical belts and is one of the most nutritious tropical and subtropical vegetables. The sweet potato or sweetpotato ipomoea batatas is a dicotyledonous plant that belongs to the bindweed or morning glory family, convolvulaceae. New products include liquors and a growing interest in the use of the anthocyanin pigments in the purple varieties for food colorings and use in the cosmetics industry. Sweet potato microstructure, starch digestion, and glycemic index 10. This crop is amongst the 15 largest agricultural productions and can be used as raw material for several industrialized products. Apr 25, 2017 propagation is by adventitious roots, stem, or root cuttings. There is greater participation of women, especially poorer women, and profits for women participating in organized farmers groups linked to a private processors than among farmers with. Pacific, africa and north america, sweet potato is also used in traditional medicine for the treatment of diabetes mellitus. Mshenye and relish were very acceptable to 90% of the consumers. Food distribution broker, sweet potato products champion. Smallscale technology and practices for sweet potato growing in southeast oklahoma 3 w e found several advantages to growing sweet potatoes on planting ridges as opposed to flatplanting, especially in wet years when waterlogging and diseases might become an issue.
High quality tubers are best produced on fertile, well drained, sandy loams. Root and tuber crops cassava, yam, potato and sweet potato. Its large, starchy, sweettasting, tuberous roots are a root vegetable. The young leaves and shoots are sometimes eaten as greens. When we squeeze a sweet potato, we remove from it all nonedible parts seeds and peel, the result being a 100% pure. The most common type of sweet potato found in us markets is the moist. Vegetarian products made with sweet potato were developed for use in nutritious and palatable meals for future space explorers. Leading sweet potato producers worldwide 2017 statista. George washington carver discovered more than 100 uses for the sweet potato and a variety of southern plants. Sweet potato, ipomoea batatas, is an herbaceous perennial in the family convolvulaceae grown for its edible storage roots.
Sweet potato fermentation food sweet potato shochu. Sweet potatoes are rich in vitamins a, c, b6, b3, b1, b2. As a result, there was great variation in product quality. The sweet potato is commonly thought to be a type of potato solanum tuberosum but does not belong to the nightshade. Japan potatoes and potato products annual japanese. Sweet potato is an abundant resource and also inexpensive as a raw material. However, the sweet potato value chain spvc is not welldeveloped in many producing countries. Institute of agroproducts processing science and technology of. Its rich in an antioxidant called beta carotene, which is very effective at raising blood levels of vitamin a, particularly in. Sweet potato processing and uses international potato center. Fao, 1994 table 2 approximate composition of fresh potato tubers component tuber. Quality evaluation of sweet potato products sciencedirect. Everything you ever wanted to know about sweetpotato.
Favored for high yields of uniform, reddishpurple potatoes with tasty, deeporange flesh that keeps well when stored. Similar dried sweet potato products are available in malaysia as well, where sweet potato is processed into an edible leather or fruit roll. Despite the large scale production of commercially processed products of sweet potato in several countries of the world, agroprocessing of sweet potato in south africa is limited to producing frozen vegetables roughly 20003000 tons while small volumes roughly 500 tons are dehydrated. George washington carver discovered more than 100 uses for the sweet potato and a variety of southern.
However, the optimum soil ph for high yields of quality sweet potatoes is 5. Smallscale technology and practices for sweet potato growing in southeast oklahoma 1 introduction market gardeners are often caught in a technological doughnut hole. Sweet potato diseases and pests, description, uses. Nfc juice puree not from concentrate is just juice squeezed from fruit. This cid covers frozen precooked sweet potato products frozen sweet potato products prepared from sweet potatoes, packed in commercially acceptable containers, suitable for use by the federal, state, local governments, and other interested parties. Added value for farmers comes from a variety of products and ingredients made from sweetpotato root including flour, dried chips, juice, bread, noodles, candy, and pectin. Sweet potato has gained prominence due to its ability to adapt to wide production ecologies and yield response to minimal external inputs. Sweet potatoes gained some popularity as a lowercarb potato in the early 2000s. The sweet potato tuber can be used as a staple and is an excellent source of betacarotene, vitamins, iron, calcium, magnesium, manganese and potassium which are essential for good health. Naro, kawanda agricultural research institute, national postharvest programme, p. Such sweet potato varieties therefore have been of great interest to healthconscious people, thus resulting in the promotion of the production of sweet potato products. Bakery products and snacks based on sweet potato tropical. In 1998, sweet potato was ranked as the fourth most important food crop in.
Potatoes and potato products annual japanese imports of u. The most favourite drought resistant, hardy crops grow mostly in marginal areas, thus contributing to improved food security and additional income to farmers. Cinnamon spiced sweet potato, japaneno, mesquite bbq, nacho cheese, original terra chips combination of 6 different vegetables, salsa. The sweet potato became a favorite food item of the french and spanish settlers and thus continued a long history of cultivation in louisiana. Agronomy free fulltext genetic variation and sequence. The exact presprouting conditions used will depend on varietal characteristics, individual operations, preferences and experiences. Below is a list of some of his sweet potato products. Crops grown in heavy clay loams produce irregular shaped tubers. For example, in china, about 1520% of sweet potato. These selected sweet potato have been hand picked at the peak of their season to ensure a great juice content, delivering the best quality and flavour.
Plate 29 sweet potato products manufactured in japan flour, juices, alcohol, candy 39 plate 30 products made by the food technology department of the scientific research council src, jamaica 39 table 1 caribbean sweet potato production tonnes for 2006 7 table 2 estimated nutrients removed by the sweet potato crop 23. Our proprietary fresh lock process is designed specifically for sweet potatoes and ensures that the natural color and flavor of the sweet potato remains intact in all of our products. Our special batter allows our products to stay crispy and compliments the natural sweet potato flavor. Remember, poorquality seed roots will not produce the quality slips needed for the establishment and production of highyielding sweet potato.
Lam is the sixth most important food crop in the world, and new uses for this crop have been identified. Introduction sweet potato is one of the top five crops that feed the world, the others being wheat, corn, sorghum and rice. Overall, 10 sweet potato products mshenye, doughnuts, relish, porridge, chips, ugali, cake, bread, mandazi, and chapati were selected as suitable and marketable products. Sweet potatoes are tolerant of variations in soil ph between 5. Sweet potatoes need a loamy soil with a ph between 5. Privatesector led development of processed sweet potato products results in increased farmer incomes 2. 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. Sweet potato is a crop with a significantly unrealised potential.
Sweet potato consumption is highest among americans over 60, and sweet potatoes may have special appeal to aging, healthconscious baby boomers. Metric aa20366 july 24, 2012 commercial item description. May, 2019 the sweet potato ipomoea batatas is an underground tuber. Food distribution broker, sweet potato products champion foods. Kays and others published formulated sweet potato products find, read and cite all the research you need on researchgate. The mission of the sweet potato project is to restore economic activity in north st. Bonnie plants 6pk potato sweet potato41 the home depot. Louis by creating alternative and progressive ways of producing and distributing locally grown products and to teach young men and women sustainable business and entrepreneurial skills that can change their lives. There is a growing program of research in africa on yam, cassava, potato and sweet potato addressing genetic enhancement, seed systems, production, marketing and nutrition impacts.
Sweet potato is now considered a valuable source of unique natural products, including some that can be used in the development of medicines against various diseases and in making industrial products. Terra chips sweet potato chips come in a variety of flavors. Sweetpotato production, processing, and nutritional. They cannot justify purchasing largescale equipment for small operations, but. Sweet potato production volume of the agriculture sector in japan 20102017 volume of sweet potatoes available for consumption per person in canada 20102018 prices of sweet potatoes in the u.
Seasonal availability of both fresh roots and sweet potato flour hindered continued processing of sweet potato products. It is also not tolerant to water logging which can cause tuber rot. Sweet potato casserole is a side dish of mashed sweet potatoes in a casserole dish, topped with a brown sugar and pecan topping. More consumer familiarity with fresh sweet potatoes and increases in sweet potato fry consumption contribute to the increase. Pdf sweet potato purees and powders for functional food. Summary sweet potato is an abundant resource and also inexpensive as a raw material. Frozen potatoes must be shipped at 0 degrees f plus or minus 10 degrees f. Special foods, 9207 shotgun court, springfield, va 22153, 703 6440991, 703 644. I have tried the sweet potato chips and the combo 6 vegetables. Besides being directly used in food preparation, vigorous development of sweet potato comprehensive processing and construction of corresponding industrial chains, have strong economic and practical significance in taking full advantage of this resource, expanding product application, improving diet structure, and. List of products made from sweet potato by george washington carver.
Also, cuttings from the bases of the vine more often carry weevils. Sweet potato value chain analysis reveals opportunities. Consumer acceptance of vegetarian sweet potato products intended for space missions wilson et al. A crop of sweet potatoes utilizes about 110 pounds of nitrogen, 15 pounds of phosphorus, and 150 pounds of potassium per acre from the soil. Many parts of the sweetpotato plant are edible, including the root, leaves, and shoots. Sweet potato has been described in many communities especially those in dry areas as the king of crops because of its ever increasing demand. Nutritional and medicinal qualities of sweetpotato tops and. Field or site selection soil characteristics one of the most important steps in sweet potato production is selecting the right soil based on the following characteristics. Sweet potato is one of the most widely grown food crops in the world.
However, poor product quality due to excessive thermal treatments in canning, high cost of investment associated with frozen products and limited package sizes. Development of a sweetpotato processing industry and its impact in. Sweetpotato vines also provide the basis for a highprotein animal feed. Sweet potato technical manual vi figure 1 value chain 3 figure 2 world production of sweet potato 1998 2007 6 figure 3 eu sweet potato imports 2002 2008 8 figure 4 uk sweet potato imports 2002 2008 8 figure 5 uk sweet potato imports from jamaica 2002 2008 9 list of figures list of plates. Sweet potato diseases and pests, description, uses, propagation. Chemistry, processing, and nutrition presents foundational information, including identification, analysis, and use of chemical components from sweet potato in a variety of food and nonfood uses sweet potatoes can be easily propagated, are rich source of carbohydrates and functional components, and are highly productive, which makes them most suitable for production of staple. Although it is relatively easy to grow sweet potatoes without chemi.
Fries all straight crinkle curly waffle wedge dippers. It is capable of producing high yields of dry matter per unit area of land and labour and this potential can be achieved under a wide range of agroclimates and farming systems. The crop is sensitive to drought at tuber initiation stage 5060 days after planting. Sweet potato value chain analysis reveals opportunities for. Food manufacturers archives north carolina sweetpotatoes. Smallscale technology and practices for sweet potato growing. For example, potato yields in the developing world average around 10 to 15 tonnes per hectare, less than half of average yields achieved by farmers in western europe and north america.
One cup 200 grams of baked sweet potato with skin provides. The sweet potato plant is a branching, creeeping vine with spirally arranged lobed, heart shaped leaves and white or lavender flowers. As well as being popular in cooking in countries in asia. In marketing year 200910, japan imported a record 1,899 metric tons of u. Sweet potato originated from tropical central america.
In contrast, a negative aspect of sweet potato flesh color is the darkening discoloration caused by the chemical reactions of phenolic compounds that are plentiful in sweet. Soil requirements are best meet in conditions with a ph of 4. With high starch content, it is well suited to processing and has become an important source of raw material for. Cuttings from the tips of the vine are the best planting material. Nov 04, 2019 while sweet potatoes are significantly higher in vitamin a and slightly higher in fiber, the white potato wins when it comes to potassium and vitamin c content. Drying of sweet potato ipomoea batatas chipped and grated. All frozen potato products must be from the current packing seasoncrop year, unless otherwise specified in the applicable solicitation ifb. Pdf on aug 2, 2014, lynn brandenberger and others published sweet potato production find, read and cite all the research you need on researchgate. Sweetpotato use has diversified considerably over the last four decades. Cuttings from the middles and the bases of the vine can be used, but they usually produce lower yields. The present guide builds on experience gained through partnerships forged during iyp implementation to address critical aspects of sustainable potato production.
Regulatory commodity specification u for frozen potato. Orangefleshed cultivars in particular have immense potential to improve household income and nutrition in subsaharan africa. Trinity frozen foods uses 100% nc grown sweet potatoes in 100% of its products. Sweet potatoes are a great source of fiber, vitamins, and minerals. Sweet potato fries all straight crinkle waffle formed dices mashed. Promotion of sweetpotato for the food industry in nigeria nutrients percentage, % composition water 0. Sweet potato roots vary in shape, size and color, depending on the cultivar and environment conditions. Frozen potato products productcommodity produced under this commodity specification must meet the requirements specified in the applicable united states standards for grades of frozen french fried potatoes or united states standards for grades of frozen sweet potatoes, u. Knowledge of genetic variations can provide clues into the molecular mechanisms regulating key crop traits.
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