Saponin Profile of Wild Asparagus Species

The aim of this work was to study the saponin profiles from spears of different wild asparagus species in the context of its genetic diversity aside from geographical seed origin. They included Asparagus pseudoscaber Grecescu, Asparagus maritimus (L.) Mill., Asparagus brachiphyllus Turcz., Asparagus...

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Bibliographic Details
Published in:Journal of food science 2017-03, Vol.82 (3), p.638-646
Main Authors: Jaramillo‐Carmona, Sara, Rodriguez‐Arcos, Rocío, Jiménez‐Araujo, Ana, López, Sergio, Gil, Juan, Moreno, Roberto, Guillén‐Bejarano, Rafael
Format: Article
Language:English
Subjects:
Asparagus
Asparagus officinalis
Asparagus Plant - chemistry
Chromatography, Liquid
Diosgenin - analogs & derivatives
Diosgenin - analysis
Flowers & plants
Food science
Genetics
Heat treatment
HPLC‐MS
Mass Spectrometry
Origins
phytochemical profile
Phytochemicals
principal component analysis
Samples
Saponins
Saponins - analysis
Species Specificity
Statistical analysis
Statistical methods
Vegetables - chemistry
wild asparagus
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Summary:The aim of this work was to study the saponin profiles from spears of different wild asparagus species in the context of its genetic diversity aside from geographical seed origin. They included Asparagus pseudoscaber Grecescu, Asparagus maritimus (L.) Mill., Asparagus brachiphyllus Turcz., Asparagus prostrates Dumort., and Asparagus officinalis L. The saponin analysis by LC‐MS has shown that saponin profile from wild asparagus is similar to that previously described for triguero asparagus from Huétor‐Tájar landrace (triguero HT), which had not ever been reported in the edible part of asparagus. All the samples, except A. officinalis, were characterized for having saponins distinct to protodioscin and the total saponin contents were 10‐fold higher than those described for commercial hybrids of green asparagus. In particular, A. maritimus from different origins were rich in saponins previously found in triguero HT. These findings supported previous suggestion, based on genetic analysis, about A. maritimus being the origin of triguero HT. Multivariate statistics including principal component analysis and hierarchical clustering analysis were used to define both similarities and differences among samples. The results showed that the greatest variance of the tested wild asparagus could be attributed to differences in the concentration of particular saponins and this knowledge could be a tool for identifying similar species.
ISSN:0022-1147
1750-3841
DOI:10.1111/1750-3841.13628