Evaluating the effects of staking and planting dates on the. Assessment of seed and tuber production potential in. Yam bean pachyrhyzus erosus tubers were processed singly and mixed with cassava into different types of gari 100% yam bean gari, 75% yam bean gari, 50% yam bean gari and 25% yam bean gari. The study examined the proximate and phytochemical saponins, tannins, phytate and flavonoid composition of roasted cream coloured african yam bean ayb flour and the lipid profile of hypercholesterolemic rats fed diets supplemented with african yam bean. The tuber grows as the root source, while the yam bean develops into the pod containing 2030 seeds found above the ground. The effect of alum and trona on the antinutritional properties of african yam bean seeds was studied. Urbanfoodplus is an africangerman partnership seeking to enhance resource use efficiency of urban and periurban agriculture and improve food security in west african cities. The proximate and functional results obtained indicate that the starches from african yam bean will have useful technological properties for many applications both in food industries and in the production industries such as in paper and textile industries. Avrdc the world vegetable center is a partner in the urbanfoodplus project. The major ingredient here is spinach which will be chopped. Pdf morphological diversity analysis of african yam bean. He recommended that mung bean protein isolate can be used as an. Grin, spreads from the west through to the east and southern parts of africa grin 2009 and these areas are suspected to host the genetic resources of ayb.
The oldest findings and proofs that we used beans for food are 9,000 years old and were found in thailand. History of the bean different types of beans vegetable facts. Effect of peptide size on antioxidant properties of african. Harms is a perennial climbing bush, m high, generally grown as an annual.
The west african center resulted in the domestication of both rainfed and wetland crops. Pdf african yam bean is a versatile legume crop, relished for its protein rich tubers, seeds and leaves which are utilized as spinach. African yam bean sphenostylis stenocarpa harms seeds wokoma e. African yam seeds were separately soaked in solutions of alum and trona with varying concentrations 0. Yam is an important dietary element for nigerian and west african people. Fruit morphometric and rapd evaluation of intraspecific. The influence of processing methods on the protein and cyanide content of african yam bean sphenostylis stenocarpa abstract. It doesnt demand so much time and skills to complete. African yam bean is cultivated for its edible tubers and for its seeds which have high nutritional values. African yam bean is one of the endangered african crop species that has immense advantages, especially high nutritional value required in human diet. The african yam bean apart from being rich in protein also contains carbohydrate, fat and minerals nas, 1979. This book was prepared in collaboration with the department of. African yam bean flour are suitable for breads, cakes and biscuits incorporating the flour into wheatbased products make the foods useful protein and energy sources with good nutritive value. The fields were laid out in splitplots in randomized complete block design place and duration.
Like many neglected plant species, the african yam bean has also been. Beans were also found in the tombs of the kings of the ancient egypt where they were left. African yam bean ayb is one of such crop with tremendous. This large family is divided into four subfamiliesthe mimosoideae, caesalpinoideae, swartzioideae, and papilionoideae. Abstract three varieties of african yam bean sphenostylis stenocarpa were collected from six different locations in. African yam bean sphenostylis stenocarpa is a legume that is indigenous to africa and widely eaten. The supplementation of cereal based weaning foods with adequately processed african yam bean flour would help to improve their protein content and quality.
Table 1 the 79 african yam bean accessions and countries of. Composition of african yam bean sphenostylis stenocarpa. Grown in pockets of tropical central, west and east africa, the african yam bean has great potential to contribute to overall food security and improve local diets. A few farmers who still hold some seed stocks, especially the white with blackeye pattern, plant it at the base of yam mounds in june or july. Evaluation of the functional properties of mung bean protein. Assessing the antinutritional composition of four varieties. African slaves and freedmen also formed part of the conquistador armies in the new world. Both wild and cultivated types now occur in tropical africa as far as zimbabwe, throughout west africa from guinea to southern nigeria, being especially common in the latter and in togo and the ivory coast, and in east africa from northern ethiopia eritrea to mozambique, including tanzania and zanzibar. Origin of african yam bean sphenostylis stenocarpa. Influence of processing methods on the protein and cyanide.
Like many neglected plant species, the african yam bean has also been little researched, except, of course, by dr. Since the dawn of history these yamlike tubers have fed tropical americans. To evaluate the effects of staking and planting dates on the seedtuber yields of african yam bean ayb. This study evaluated the genetic diversity on forty 40 accessions of african yam bean sphenostylis stenocarpa obtained from iita germplasm bank and other parts of nigeria. The african yam bean is a legume that is rich in protein and starch and an important source of calcium and amino acids. A few farmers who still hold some seed stock especially the white, with black eye pattern plant it at the base of yam mounds in june or july ekpo, 2006. Media related to sphenostylis stenocarpa at wikimedia commons.
Research history of the world agroforestry centre southeast asia. The physical, proximate and antinutritional properties of five accessions of african yam bean ayb seeds tss 57, tss 61, tss 93, tss 94 and tss 116 obtained from genetic resource centre grc of international institute of tropical agriculture iita were studied and compared. It can also be said that african yam bean represents a source of alternative. You just have to boil yam, and then prepare the palava sauce.
Different diets were formulated using the ayb flour. The yam bean project, now in its 10th year, examines the potential of the genus pachyrhizus as an attractive alternative to traditional root and tuber crops. African yam bean, agronomy, sphenostylis stenocarpa. Nutritional value of african yambean sphenostylis stenocarpa l. Although the two yam bean plants are related genetically, the american variety does not produce edible beans. Department of microbiology, university of port harcourt, p. It is usually cultivated as a secondary crop with yam in nigeria. Wild variants of broad beans fava beans were gathered in afghanistan and the himalayan foothills. Yam is an attractive crop in poor farms with limited resources. Crop science abstract plant genetic resources evaluation of.
Seeds of three varieties of african yambean from farmers fields in nigeria soybean. It is usually cultivated as a secondary crop with yam in ghana and nigeria. A major constraint in the utilization of african yam bean is the different dehulling method. However, no wild relatives of the crop were found during the study, nor is there any solid evidence, historical or linguistic, to suggest that the african yam bean. The antinutritional composition of white, brown, spotted and black coat coloured african yam bean varieties that are cultivated in the afikpo town of ebonyi. Dawa dawa condiment was produced by traditional fermentation of african yam bean and soybean seeds. For instance, african yam bean produces both seeds and tubers that are edible. Sensory evaluation of dawa dawa produced by the traditional.
Pdf cultivation and use of african yam bean sphenostylis. Intraspecific variability studies were carried out on 10 accessions of ayb obtained from the international institute of tropical agriculture iita ibadan, nigeria. Production and evaluation of breakfast cereals from rice. African yam bean sphenostylis stenocarpa feedipedia. It is an orphan crop, highly nutritious and culturally resonant, but undervalued by policy makers. Rich, harms is an indigenous underutilized legume mainly grown in subsaharan african as a source of protein. It contributes more than 200 calories per person per day for more than 150 million people in west africa, and is an important source of income.
Physicochemical and rheological properties of complementary. The leguminosae consist of about 750 genera and 19,000 species of herbs, shrubs, trees, and climbers. The seeds of cream coloured african yam bean ayb and lime were purchased from oye igboeze and ogige nsukka markets, respectively in enugu state, nigeria. Yam, any of several plant species of the genus dioscorea, grown for their edible tubers. The anti nutritional properties of african yam bean. Improving the african yam bean neglected crop agroforestry world. Traditional recipes from the northern region of ghana. Cultivation and use of african yam bean sphenostylis stenocarpa. It is rich in starch, and can be prepared in many ways. Origins of the african yam bean sphenostylis stenocarpa, leguminosae. Abstract tropical african yambean sphenostylis stenocarpa l is an under. Field experiments were conducted at ebonyi state university, abakaliki, nigeria during 200910 farming seasons. This page was last edited on 20 december 2019, at 22. Yam, any of several plant species of the genus dioscorea family dioscoreaceae grown for their edible tubers.
The influence of processing methods on the protein and. Pdf physical, proximate and antinutritional composition of. In certain tropical cultures, notably in west africa and new guinea, the yam is the primary agricultural. Nutrient composition, functional and organoleptic properties of complementary foods from sorghum, roasted african yam bean and crayfish abstract complementary foods were formulated using sorghum, african yam. Both seeds and tubers are quite rich sources of protein, carbohydrate and dietary fiber ajibade 7. Origins of the african yam bean sphenostylis stenocarpa. Little data information exists on how many people consume it.
It is an important source of food in many parts of africa. The african yam bean is grown in countries of west africa such as cameroon, cote divoire, ghana, nigeria, and togo. African yam bean sphenostylis stenocarpa is one of the most important tuberous legumes of tropical africa. The mature dry seeds can be used to prepare moi moi and akara ezueh, 1973. The seeds were sorted and divided into 4 equal portions of 1. The swartzioideae is a small subfamily of about 80. Sphenostylis stenocarpa or the african yam bean is a species of plant in the fabaceae which is native to africa. Rich is a legumi nous crop found in the volta regi g. Raw african yam bean sphenostylis stenocarpa was subjected to various processing methods viz.
Some aspects of the biochemistry and nutritive value of african. In this study, the genetic differences among the accessions were detected by the presence or absence of bands, which could be used as a basis for variation among. African yam bean ayb sphenostylis stenocarpa, hochst. Aluko, title effect of peptide size on antioxidant properties of african yam bean seed sphenostylis stenocarpa protein hydrolysate fractions, year 2011. All structured data from the file and property namespaces is available under the creative commons cc0 license.
Mar 10, 2006 determination of the chemical and functional properties of yam bean pachyrhizus erosus l. Environment interaction effects on trait performance and their ability to produce tuber. The african yam bean sphenostylis stenocarpa hochst. This method is quite laborous labour intensive, time consuming and does not favour effective utilization of the bean. The yam bean is a useful source of nutrients for many african communities with a nutritional value comparable to that of the soybean. Palava sauce and ampesi boiled yam this is one of the most simple ghanaian dishes to prepare. Potentials of african yam bean the plant sphenostylis stenocarpa is one of the most important tuberous legumes of tropical africa. Yams are native to warmer regions of both hemispheres, and several species are cultivated as staple food crops in the tropics. African yam bean nottingham eprints university of nottingham. African yam bean sphenostylis stenocarpa is a legume that is. July 1992 origins of the african yam bean sphenostylis stenocarpa, leguminosae. Files are available under licenses specified on their description page.
Acylated mung bean protein isolates displayed good functional properties when compared with untreated protein isolate. Traditionally, the dehulling method involves manual removal of the hulls from the individual soaked seeds. Pdf african yam bean sphenostylis stenocarpa nodulates. One portion was washed and fermented in tap water at a seed water ratio of 1. The african yam bean sphenostylis stenocarpa hochst ex a. Evaluation of the genetic diversity of african yam bean. These seeds can be found in colors including brown, black, and red varieties. African yam bean ayb, is one such crop within the family of fabaceae. Sphenostylis stenocarpa is cultivated for its edible tubers, which look like elongated sweet potatoes, and for its seeds, which are contained in hard and tough. It contains amino acids that are important for the development in early preschool and school aged children and also those required for adults. Evaluation of the proximate and functional properties of. This was aimed at unraveling the nutritional importance of this crop to enhance its production and utilisation. In 1510, the spanish monarchs shipped 200 african slaves to hispaniola they were baptized in the christian faith just prior to their departure. Twenty accessions of african yam bean, grown at the teaching and research farm of ladoke akintola university of technology, ogbomoso during the cropping seasons of may to november, 2014 and 2015 were assessed for genetic diversity and genotype.