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. 1978 Sep;28(3):253-63.

[Chemical and biological evaluation of quinua (Chenopodium quinoa Willd). Effect of the extraction of saponins by heat treatment]

[Article in Spanish]
M L Tellería Rios, V C Sgarbieri, J Amaya
  • PMID: 572664

[Chemical and biological evaluation of quinua (Chenopodium quinoa Willd). Effect of the extraction of saponins by heat treatment]

[Article in Spanish]
M L Tellería Rios et al. Arch Latinoam Nutr. 1978 Sep.

Abstract

The changes in proximate composition, amino acid content and protein efficiency ratio (PER) caused by hot-water extraction of the saponins were studied in four Bolivian varieties of quinua (Chenopodium quinoa, Willd). Detectable saponin was eliminated with an extraction at 70 degrees C. Extraction at 87 degrees C also eliminated the saponins but, in addition, had the tendency of slightly increasing the protein amino acid content. The maximum PER obtained was 2.99 for the Blanca variety, followed by 2.72 for the Sajama variety, also extracted at 87 degrees C (casein gave a PER value of 3.21).

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