نتایج جستجو برای: yam

تعداد نتایج: 1850  

2012
Stephen Morse Nora McNamara

Yam minisett technique (YMT) has been promoted throughout West Africa since the 1980s as a sustainable means of producing clean seed yam, but adoption of the technique is often reported as being patchy at best. While there has been much research on the factors which influence adoption of the technique there have been no attempts to assess its economic viability under 'farmer managed' as distinc...

2013
Y. L. Loko A. Dansi M. Tamo A. H. Bokonon-Ganta P. Assogba M. Dansi R. Vodouhè A. Akoegninou A. Sanni

Twenty-five villages of Northern Benin were surveyed to identify the constraints of yam chips production, assess the diversity of storage insects on yam chips, and document farmers' perception of their impacts on the stocks and their traditional management practices. Damages due to storage insects (63.9% of responses) and insufficiency of insect-resistant varieties (16.7% of responses) were the...

2015
Fun-Chi Lu Chen-Yu Lee Chun-Li Wang Brenda Oppert

Arbuscular mycorrhizal fungi (AMF) are widely distributed in nature. They live in the roots of higher plants, in a symbiotic relationship. In this study, five commercial species of yams (Dioscorea spp.) were inoculated with six species of AMF, Glomus clarum, G. etunicatum, G. fasciculatum, Gigaspora sp., G. mosseae, and Acaulospora sp., in field cultivation conditions to investigate the influen...

2014
In Suk Son Jeong Soon Lee Ju Yeon Lee Chong Suk Kwon

Yam (Dioscorea batatas Decne.) has long been used as a health food and oriental folk medicine because of its nutritional fortification, tonic, anti-diarrheal, anti-inflammatory, antitussive, and expectorant effects. Reactive oxygen species (ROS), which are known to be implicated in a range of diseases, may be important progenitors of carcinogenesis. The aim of this study was to investigate the ...

2016
Moritz Bömer Aliyu A. Turaki Gonçalo Silva P. Lava Kumar Susan E. Seal

Yam (Dioscorea spp.) plants are potentially hosts to a diverse range of badnavirus species (genus Badnavirus, family Caulimoviridae), but their detection is complicated by the existence of integrated badnavirus sequences in some yam genomes. To date, only two badnavirus genomes have been characterised, namely, Dioscorea bacilliform AL virus (DBALV) and Dioscorea bacilliform SN virus (DBSNV). A ...

2013
Dewayne Stennett Frederick Oladeinde Andrew Wheatley Joseph Bryant Helen Asemota

The bitter yam tuber is consumed as a staple in various regions of the world and is known to possess medicinal properties due to the presence of bioactive compounds such as saponins. These compounds may induce health complications resulting in tissue damage in cases of overconsumption. This study was geared towards determining the effects of Jamaican bitter yam (5%) on tissue damage parameters ...

2016
Thitiporn Thaptimthong Thitima Kasemsuk Nathawut Sibmooh Supeenun Unchern

BACKGROUND The purpose of this study is to investigate cardiovascular benefits of juices obtained from two commonly consumed fruits in Thailand, Pachyrhizus erosus, L. (yam bean) and Psidium guajava, L. (guava), by examining their acute cardiovascular effects in healthy volunteers. Possible involvements of the dietary nitrate on their effects were investigated as well. METHOD Thirty healthy v...

2017
Chihiro Tohda Ximeng Yang Mie Matsui Yuna Inada Emika Kadomoto Shotaro Nakada Hidetoshi Watari Naotoshi Shibahara

Diosgenin, a yam-derived compound, was found to facilitate the repair of axonal atrophy and synaptic degeneration and improve memory dysfunction in a transgenic mouse model of Alzheimer's disease (AD). It was also found to enhance neuronal excitation and memory function even in normal mice. We hypothesized that diosgenin, either isolated or in an extract, may represent a new category of cogniti...

2017
Carla Barlagne Denis Cornet Jean-Marc Blazy Jean-Louis Diman Harry Ozier-Lafontaine

In West and Central Africa and in the Caribbean, yam is one of the most important sources of carbohydrates and has a great potential to improve food security. The yam production sector is, however, now challenged by the satisfaction of evolving consumers' preferences. Since little is known about consumers' preferences regarding yams' characteristics, product quality, and the drivers of yam purc...

2014
P. I Akubor

Corresponding Author Email : [email protected] The study evaluated effect of ascorbic acid and citric acid treatments on the functional and sensory properties of yam flour. Yam (Dioscorea rotundata) tubers were washed, peeled and cut into thin slices of 1cm thickness. The slices were divided into 7 portions. The 1st portion served as control. The 2nd, 3rd, 4th and 5th portions were soaked i...

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