Quantitation of Toxic Steroidal Glycoalkaloids and Newly Identified Saponins in Post-Harvest Light-Stressed Potato (Solanum tuberosum L.) Varieties

被引：8

作者：

Baur, Sebastian ^{[1
]}

Belle, Nicole ^{[2
]}

Hausladen, Hans ^{[3
]}

Wurzer, Sebastian ^{[1
]}

Brehm, Laura ^{[1
]}

Stark, Timo D. ^{[1
]}

Huecklhoven, Ralph ^{[2
]}

Hofmann, Thomas ^{[1
]}

Dawid, Corinna ^{[1
]}

机构：

[1] Tech Univ Munich, Chair Food Chem & Mol Sensory Sci, D-85354 Freising Weihenstephan, Germany

[2] Tech Univ Munich, Chair Phytopathol, D-85354 Freising Weihenstephan, Germany

[3] Tech Univ Munich, Plant Technol Ctr, D-85354 Freising Weihenstephan, Germany

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2022年 / 70卷 / 27期

关键词：

abiotic stress; potato; steroidal glycoalkaloid; saponin; a-solanine; a-chaconine; LC-MS/MS; ALPHA-SOLANINE; METABOLITES; INHIBITION; PLANT; LIVER;

D O I：

10.1021/acs.jafc.2c02578

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Although domesticated potatoes contain a large variety of steroidal glycoalkaloids (SGAs) and saponins, in the past, many research projects mainly focused on the two major SGAs, alpha-solanine and alpha-chaconine. This study investigates the quantitative changes, induced by post-harvest LED light exposure, of six SGAs and four saponins in 12 potato cultivars at three different time points (1, 7, and 16 days), by using ultra-performance liquid chromatography tandem mass spectrometry. Altogether, SGA contents of 3.0-17.1 mg/100 g fresh weight (FW) could be observed in the analyzed tubers with potato varieties highly exceeding the newly discussed safety limit of 10 mg/100 g. The overall contents of 0.1-5.4 mg/100 g FW of the so far barely studied saponins, like protoneodioscin or barogenin-solatrioside, highly differed between the assayed potato cultivars. Furthermore, cultivar-specific regulations of SGAs and saponins could be observed due to light exposure.

引用

页码：8300 / 8308

页数：9

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