Nutritional evaluation of three underexploited andean tubers:Oxalis tuberosa (Oxalidaceae),Ullucus tuberosus (Basellaceae), andTropaeolum tuberosum (Tropaeolaceae)

  title={Nutritional evaluation of three underexploited andean tubers:Oxalis tuberosa (Oxalidaceae),Ullucus tuberosus (Basellaceae), andTropaeolum tuberosum (Tropaeolaceae)},
  author={Steven R. King and Stanley N. Gershoff},
  journal={Economic Botany},
Three species of edible tubers endemic to and domesticated in the Andes were studied for their nutritional value. Collected samples ofOxalis tuberosa, Ullucus tuberosus, andTropaeolum tuberosum show a high amount of variation in both percent protein and quality of essential amino acids. A protein difference of120% is present amongT. tuberosum cultivars and a protein difference of 300% is present among the three species. The data indicate that previous published Andean tuber crop food values may… 

Nutritional potential of leaves and tubers of crem (Tropaeolum pentaphyllum Lam.)

The chemical composition of crem (Tropaeolum pentaphyllum Lam.) tubers and leaves demonstrated an important contribution of nutrients, mainly sulfur, vitamin C and linoleic acid in its tubers, indicating a high nutritional potential of this species.

Diversity of Ullucus tuberosus (Basellaceae) in the Colombian Andes and notes on ulluco domestication based on morphological and molecular data

The results and the accumulated data suggest that ulluco was introduced to Colombia at least two times, Initially, semi-domesticated forms would have come from the central Andes to north-east Colombian Andes, where the native inhabitants would have completed the domestication process.

Characterization of Nutritional and Bioactive Compound in Three Genotypes of Mashua (Tropaeolum tuberosum Ruiz and Pavón) from Different Agroecological Areas in Puno

Bioactive compounds and nutritional characterization in three genotypes of mashua tubers (Tropaeolum tuberosum Ruiz and Pavón) from different agroecological areas of the Peruvian highlands (3747 at

Morphometric analysis of flour, starch and protein of Tropaeolum tuberosum Ruiz and Pavón

Mashua ( Tropaeolum tuberosum Ruiz and Pavón) is an edible tuber and was domesticated in the central Region of the Andes; it has little importance compared to other Andean crops, but it has great

Bioactive Potential of Andean Fruits, Seeds, and Tubers.

Antioxidant capacity and secondary metabolites in four species of Andean tuber crops: native potato (Solanum sp.), mashua (Tropaeolum tuberosum Ruiz & Pavón), Oca (Oxalis tuberosa Molina) and ulluco (Ullucus tuberosus Caldas)

Mashua tubers showed the highest antioxidant capacity and phenolic, anthocyanin and carotenoid content compared with other crops, and can be useful in the identification of Andean tubers species and genotypes with potential value as a novel dietary source of antioxidants for food, and also for medicinal use.

Assessing the Nutritional Value of Root and Tuber Crops from Bolivia and Peru

This work studied three Andean root and tuber crops (mashua, arracacha, and yacon) to provide data on their composition, essential for increasing their use globally and compared their nutritional values with the values of more widely used crops.

Determination of the Morphology of the Starch Granules and the Optimum Internal Cooking Temperature of Four Andean Crops: Oca (Oxalis tuberosa Molina), Olluco (Ullucus tuberosus Loz), Isaño (Tropaeolum tuberosum Ruiz & Pavon) and Arracacha (Arracacia xanthorrhiza Bancroft)

Abstract Andean grains (i.e. quinoa, amaranth) have been increasingly studied in recent times, mainly due to the increase in international consumption. However, Andean tubers other than potatoes have

NUTRITIONAL COMPOSITION AND BIOACTIVE COMPONENTS OF MASHUA (Tropaeolum tuberosum Ruiz and Pavón) [COMPOSICIÓN NUTRICIONAL Y COMPONENTES BIOACTIVOS DE LA MASHUA (Tropaeolum tuberosum Ruiz y Pavón)] D. Guevara-Freire*, L. Valle-Velástegui, M. Barros-Rodríguez, Carlos Vásquez, H. Zurita-Vásquez,

The objective of this revision is to collect information about the chemical and nutritional composition and the bioactive components of mashua; an economically important tuber in the Andean region.

Efficient slow-growth conservation and assessment of clonal fidelity of Ullucus tuberosus Caldas microshoots

Slow-growth of ulluco plantlets at 17 °C and the use of mannitol as a culture medium supplement, represents a reliable system of conservation with minimal risk of somaclonal variation.



Plant utilization: Patterns and prospects

The evidence indicates continued humanization of the world, greater management of biotic resources, and increased applications of technology to agriculture, accompanied by a general decline worldwide in species and genetic diversity and increasing simplification and internationalized of the primary and secondary pools of cultivated plants.

Activities of the International Board for Plant Genetic Resources (IBPGR)

The International Board for Plant Genetic Resources has a scientific leadership role in ensuring the collection, conservation and use of crop genetic resources. The strategy used for work worldwide

Dynamics of Andean potato agriculture

The lack of detailed historical studies of genetic resources and agriculture in areas of crop diversity hampers the ability to model the dynamics of primitive selection, but it does not preclude attempts to extrapolate from synchronic analysis.

Challenges and priorities in conserving biological diversity

  • Interciencia
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Stability and change in highland Peru dietary patterns : causes and consequences

  • 1983

Potato collecting expedition in Chile , Bolivia and Peru and the genetic erosion of indigenous cultivars

  • Crop genetic resources for today and tomorrow
  • 1975