Changes in low molecular weight carbohydrates in kale during development and acclimation to cold temperatures determined by chromatographic techniques coupled to mass spectrometry

Pérez, Ricardo; Kuhnert, Nikolai; Ruiz‐Matute, Ana I.; Behrends, Britta; Albach, Dirk C.

doi:10.1016/j.foodres.2019.108727

Cited by 20 publications

(18 citation statements)

References 51 publications

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“…The highest concentrations of this cyclitol were found in GCFS5 (0.24 mg g −1 ) and GCFS17 (0.23 mg g −1 ). It has been described that myo -inositol is a polyol present in plasma membranes and in other structures of natural products, including fruits and vegetables [ 32 , 33 , 34 ]. The presence of this compound could be used as an indicator of the natural origin of these supplements.…”

Section: Resultsmentioning

confidence: 99%

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Quality Evaluation of Dietary Supplements for Weight Loss Based on Garcinia cambogia

et al. 2022

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Food supplements of plant origin for weight control are increasingly being demanded by consumers as a way to promote good health. Among them, those based on Garcinia cambogia (GCFS) are widely commercialized considering their bioactive properties, mainly due to (-)-hydroxycitric acid ((-)-HCA). However, recently, controversy has arisen over their safety; thus, further research and continuous monitoring of their composition is required. Hence, in this work, a multi-analytical approach was followed to determine not only (-)-HCA but also other constituents of 18 GCFS, which could be used as quality markers to detect fraudulent practices in these samples. Discrepancies between the declared (-)-HCA content and that experimentally determined were detected by LC–UV in 33% of the samples. Moreover, GC–MS analyses of GCFS allowed the detection of different compounds not present in G. cambogia fruits and not declared on supplement labels, probably related to heat exposure or to the addition of excipients or other extracts. This multi-analytical methodology is shown to be advantageous to address different fraudulent practices affecting the quality of these supplements.

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Section: Resultsmentioning

confidence: 99%

“…Galactosyl-glycerol ( m / z 204, 217, and 337) and digalactosyl-glycerol ( m / z 204, 337, and 597) were also identified in some supplements. These compounds, not present in the reference samples, have been detected in several natural sources such as cocoa beans [ 33 ], mung bean [ 41 ], and kale [ 33 ].…”

Section: Resultsmentioning

confidence: 99%

Quality Evaluation of Dietary Supplements for Weight Loss Based on Garcinia cambogia

et al. 2022

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“…Most DEGs and DAMs in this process were upregulated, despite a significant decrease in ambient temperature. Indeed, a previous study reported that raffinose, stachyose, manninotriose, and melibiose accumulate rapidly at low temperatures [ 32 , 33 ]. These results underline the importance of low temperature during ‘Tuershao’ tuberization to obtain tubers with high nutritional value ( Figure 6 ).…”

Section: Discussionmentioning

confidence: 99%

Transcriptome and Metabolome Analysis Provide New Insights into the Process of Tuberization of Sechium edule Roots

Cheng²,

Liu³

et al. 2022

IJMS

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Chayote (Sechium edule) produces edible tubers with high starch content after 1 year of growth but the mechanism of chayote tuberization remains unknown. ‘Tuershao’, a chayote cultivar lacking edible fruits but showing higher tuber yield than traditional chayote cultivars, was used to study tuber formation through integrative analysis of the metabolome and transcriptome profiles at three tuber-growth stages. Starch biosynthesis- and galactose metabolism-related genes and metabolites were significantly upregulated during tuber bulking, whereas genes encoding sugars will eventually be exported transporter (SWEET) and sugar transporter (SUT) were highly expressed during tuber formation. Auxin precursor (indole-3-acetamide) and ethylene precursor, 1-aminocyclopropane-1-carboxylic acid, were upregulated, suggesting that both hormones play pivotal roles in tuber development and maturation. Our data revealed a similar tuber-formation signaling pathway in chayote as in potatoes, including complexes BEL1/KNOX and SP6A/14-3-3/FDL. Down-regulation of the BEL1/KNOX complex and upregulation of 14-3-3 protein implied that these two complexes might have distinct functions in tuber formation. Finally, gene expression and microscopic analysis indicated active cell division during the initial stages of tuber formation. Altogether, the integration of transcriptome and metabolome analyses unraveled an overall molecular network of chayote tuberization that might facilitate its utilization.

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“…Dadurch soll sich der Geschmack verbessern; insbesondere sollen die Blätter süßer schmecken. Ob an dieser Geschichte etwas dran ist, hat nun eine Gruppe deutsch‐spanischer Wissenschaftler untersucht, indem sie den Zuckergehalt in den drei Grünkohlvarianten Frostara (Abbildung 1), Black Tuscany (Abbildung 3) und Helgoländer Wildkohl (Abbildung 4) bestimmt hat [2]. Letzterer kommt in Deutschland nur auf Helgoland vor und wird hier „Klippenkohl“ genannt.…”

Section: Ernte Nach Kälteeinbruchunclassified

Süßer Kälteschutz

Tetsch¹

2020

Chemie in nserer Zeit

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Changes in low molecular weight carbohydrates in kale during development and acclimation to cold temperatures determined by chromatographic techniques coupled to mass spectrometry

Cited by 20 publications

References 51 publications

Quality Evaluation of Dietary Supplements for Weight Loss Based on Garcinia cambogia

Quality Evaluation of Dietary Supplements for Weight Loss Based on Garcinia cambogia

Transcriptome and Metabolome Analysis Provide New Insights into the Process of Tuberization of Sechium edule Roots

Süßer Kälteschutz

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