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Physicochemical Composition and Antioxidative Effects of Yacon (Polymnia Sonchifolia)
Journal of Life Science, 2010 This study was carried out to investigate the physicochemical and functional properties of Yacon (Polymnia Sonchifolia) powder. The proximate composition of Yacon powder as a dry matter basis was 3.53% moisture content, 1.13% crude protein, 0.40% crude fat, 0.79% crude ash, 1.63% dietary fiber and 92.52% carbohydrate.
Ah-Ra Kim +2 more
exaly +4 more sources
Micropropagation of Polymnia sonchifolia (Yacon)
Biotechnology in Agriculture and Forestry, 1997 Yacon [Polymnia sonchifolia (P. edulis)] is a perennial plant belonging to the family Compositae. It is a native of the Andes highland, and is distributed in South America, and more recently, in Oceania. Plants grow from spring to summer and the roots enlarge in the autumn in Japan.
S. Matsubara
exaly +3 more sources
Ethnobotanical notes on “Yacon,”polymnia sonchifolia (Asteraceae)
Economic Botany, 1991 Attention is directed to the latent possibilities of Polymnia sonchifolia (Asteraceae), long cultivated in the Andean cloud forest for its tuberous, inulin-reserving roots.
Elsa Zardini
exaly +3 more sources
Cytotoxicity of subfractions and compounds from Polymnia sonchifolia [PDF]
Brazilian Journal of Microbiology, 2005 Our previous works showed that extracts and fractions from Polymnia sonchifolia had presented an inhibitory activity on growth and aflatoxin production by Aspergillus flavus in non-cytotoxic concentrations. In this work, report results on the in vitro cytotoxicity of subfractions and of a mixture of sesquiterpenes lactones from Polymnia sonchifolia on ...
Maria Judite B Fernandes +1 more
exaly +4 more sources
Distribution of carbohydrates and related enzyme activities in yacon (polymnia sonchifolia) [PDF]
Soil Science and Plant Nutrition, 1993 Abstract Yacon (Polymnia sonchifolia) plants originating from Andean highlands are known to accumulate a large amount of oligofructans in their tubers and tuberous roots (Ohyama et al. 1990; Asami et al. 1992). Asami et al. (1992) have reported that tubers and tuberous roots which were harvested in late fall contained about 57 and 66% respectively (on ...
Katsuhiko Fukai +2 more
exaly +2 more sources
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Three 4′-hydroxyacetophenone-related phytoalexins from Polymnia sonchifolia
Phytochemistry, 1996Abstract Inoculation of sliced yacon tubers with Pseudomonas cichorii resulted in the formation of antifungal compounds. Three major phytoalexins were isolated and identified by spectroscopic methods as 4′-hydroxy-3′-(3-methylbutanoyl)acetophenone, 4′-hydroxy-3′-(3-methyl-2-butenyl)acetophenone and 5-acetyl-2-(1-hydroxy-1-methylethyl)benzofuran.
Mitsuo Takasugi, Takahiro Masuda
openaire +1 more source
Extração e pré-tratamento químico de frutanos de Yacon, Polymnia sonchifolia [PDF]
Food Science and Technology, 2005 The process of disintegration of yacon roots promotes the oxygen incorporation that favors the phenolic oxidation and current contamination of the aqueous extract with undesirable colors and scents that damage its use. This work aims at verifying the simplified methodology of extraction of the prejent carbohydrates in the yacon roots and to make a ...
Claudio Cabello
exaly +6 more sources
Acta Horticulturae, 2003
Plant Production Department Agronomic Science College Sao Paulo State University (UNESP), Botucatu, Sao Paulo, cep 18.603 ...
Giuseppina Pace Pereira Lima
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Plant Production Department Agronomic Science College Sao Paulo State University (UNESP), Botucatu, Sao Paulo, cep 18.603 ...
Giuseppina Pace Pereira Lima
exaly +2 more sources
Activity of the aqueous extract from Polymnia sonchifolia leaves on growth and production of aflatoxin B1 by Aspergillus flavus [PDF]
Brazilian Journal of Microbiology, 2001 The aqueous extract from Polymnia sonchifolia leaves (AE) was tested for inhibitory activity on aflatoxin B1(AFB1) production and growth of Aspergillus flavus. The cytotoxicity of AE on Vero cells was also performed. Suspensions of A. flavus spores were inoculated into 50 mL of YES medium together with different concentrations of the AE.
Isabela C Simoni
exaly +4 more sources
Acta Horticulturae, 2002
The work was carried out in nursery of the Agronomical Science College (ASC) UNESP-Botucatu, in period from September 21 to October 31 2000. The propagation material (rhizophores) was obtained from plants, which were cultivated in the area of ASC. The rhizophores were selected according to their vigor and size.
M.A.S. da Silva +4 more
exaly +2 more sources
The work was carried out in nursery of the Agronomical Science College (ASC) UNESP-Botucatu, in period from September 21 to October 31 2000. The propagation material (rhizophores) was obtained from plants, which were cultivated in the area of ASC. The rhizophores were selected according to their vigor and size.
M.A.S. da Silva +4 more
exaly +2 more sources