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Vazquez-Castilla S.,Phytochemicals and Food Quality Group | Jaramillo-Carmona S.,Phytochemicals and Food Quality Group | Fuentes-Alventosa J.M.,Phytochemicals and Food Quality Group | Jimenez-Araujo A.,Phytochemicals and Food Quality Group | And 4 more authors.
Journal of Agricultural and Food Chemistry | Year: 2013

The main goal of this study was to determine the saponin profiles of different "triguero" asparagus genotypes and to compare them to green asparagus commercial hybrids. The samples consisted of 31 commercial hybrids and 58 genotypes from the Huétor-Tájar (HT) population variety ("triguero"). The saponin analysis by high-performance liquid chromatography-mass spectrometry allowed for the determination of 12 saponins derived from a furostan-type steroidal genin, 4 of which had never been described in the edible part of asparagus. The saponin profile of "triguero" asparagus was a combination of these new saponins and protodioscin. Although protodioscin was the major saponin found in commercial hybrids, some of these 12 saponins were detected as major components in some of the commercial hybrids. The total contents of saponins described in some of these HT genotypes reach values as high as 10-100 times higher than those found in commercial hybrids. © 2013 American Chemical Society.

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