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Abstract

Studies of Lipids and Proteins in a Wild Species of the Arachis (Fabaceae) Gender

ICTA Instituto de Ciencia y Tecnología de Alimentos, Av. Vélez Sarfield 1600. (5016), Córdoba Argentina
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Author to whom correspondence should be addressed.
Molecules 2000, 5(3), 545-546; https://doi.org/10.3390/50300545
Published: 22 March 2000

Abstract

:
Chemical components of eight wild species of Arachis were studied. The objec-tives were to know the chemical composition and establish chemotaxonomic relationships. The results indicate that A. villosa is suitable for breeding program of cultivated peanut. A. monticola and A. batizocoi showed major chemical affinity with A. hipogaea.

Introduction

The chemical composition of the Arachis hipogeae (peanut) has been extensively studied [1,2,3,4,5] for being the cultivated species of the Arachis gender, however, studies of the wild species are limited.
The knowledge of this plant could facilitate methods of crossing among them with cultivation of A. hipogeae in order to obtain seeds of optimum quality.
The objectives of this paper are: 1) To determine the lipidic-proteic chemical composition of seeds of wild species of Arachis, to contribute to the chemical knowledge of the species 2) To establish pos-sible chemotaxonomic relationships 3) To contribute to the plans of genetic improvement of A. hipo-geae.

Experimental

Wild seeds of Arachis (A. correntina, A. duranennensis, A. monticola, A. batizocoi, A. cardenasii, A. helodes, A. chacoensis y A. villosa) were used. The total contents of protein was determined (kjel-dahl) and the extraction of oil for quantification was carried out.
The methyl esters of fatty acids were quantized and identified (GC), and also the iodine indexes were determined. The results were presented in a phenograph and in two- and three-dimensional graphics.

Results and Discussion

The results of the chemical studies of the peanut s wild species showed that: 1) A. batizocoi is the species that contains the highest percentage of oil and A. villosa the highest protein content 2) The best oleic/linoleic relation and iodine index are found in A. villosa 3) The samples of the wild species (ex-cept A. villosa) present a lower oleic/ linoleic relation and higher iodine indexes than the cultivated peanut 4) In relation to the numerical analysis, it can be observed that some samples of species sepa-rate one from each other because they have little chemical affinity, meaning they have differences at the level of their genotypes 5) The species more chemically related by affinity to the cultivated peanut are A. monticola and A. batizocoi.

Acknowledgements 

To CONICET, CONICOR , CEPROCOR e INTA de Manfredi (Córdoba).

References and Notes

  1. Ahmed, E.H.; Yong, C.T. Composition, nutrition and flavor of peanut. Peanut Science and Tech-nology; Pattee, H. E., Yong, C.T., Eds.; American Peanut Reseach and Education Society. Inc.: Yoakum, Texas, USA, 1982; pp. 655–678. [Google Scholar]
  2. González, R. D.; Guzmán, C.A. Composición proteínica de semillas de los cultivares de maní de la provincia de Córdoba (Argentina). Oyton 1982, 42(2), 179. [Google Scholar]
  3. Grosso, N.R.; Guzman, C.A. Protein, oil content, and fatty acid composition of bolovian grundnut cultivars. International Arachis Newsletter 1991, 9, 20. [Google Scholar]
  4. Maldonado, E. M.; Guzmán, C.A. Contenidos de algunos elementos y cenizas totales en semillas de nueve cultivares de maní de la Provincia de Córdoba (Argentina). Oyton 1982, 42(2), 185. [Google Scholar]
  5. Yong, C. T.; Hammons, R. O. Variations in the protein levels of a widw range of peanut geno-types (Arachis hypogaea L.). Oleagineux 1973, 28(6), 293. [Google Scholar]
  6. Banks, D.J. Peanuts germoplasm resources. Crops Sci. 1976, 16, 499. [Google Scholar] [CrossRef]
  7. Gregory, W.C.; Gregory, M. P.; Krapovickas, A.; Smith, B.W.; Yarbrough. Structures and genetic resources of peanuts. Peanuts-Culture and Uses 1973, 47–133. [Google Scholar]

Share and Cite

MDPI and ACS Style

Giannuzzo, A.N.; Grosso, N.R.; Guzmán, C.A. Studies of Lipids and Proteins in a Wild Species of the Arachis (Fabaceae) Gender. Molecules 2000, 5, 545-546. https://doi.org/10.3390/50300545

AMA Style

Giannuzzo AN, Grosso NR, Guzmán CA. Studies of Lipids and Proteins in a Wild Species of the Arachis (Fabaceae) Gender. Molecules. 2000; 5(3):545-546. https://doi.org/10.3390/50300545

Chicago/Turabian Style

Giannuzzo, A. N., N. R. Grosso, and C. A. Guzmán. 2000. "Studies of Lipids and Proteins in a Wild Species of the Arachis (Fabaceae) Gender" Molecules 5, no. 3: 545-546. https://doi.org/10.3390/50300545

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