Warning: Undefined array key "mm" in /www/wwwroot/www.ai-bt.com/si.php on line 10 Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.ai-bt.com/si.php on line 10 Characterisation of flavonols in broccoli (Brassica oleracea L. var. italica) by liquid chromatography-uV diode-array detection-electrospray ionisation mass spectrometry.

Literature DB >> 15553143

Characterisation of flavonols in broccoli (Brassica oleracea L. var. italica) by liquid chromatography-uV diode-array detection-electrospray ionisation mass spectrometry.

F Vallejo¹, F A Tomás-Barberán, F Ferreres.

Abstract

The flavonoid composition of broccoli inflorescences has been studied by LC/UV-DAD/ESI-MSn. A large number of hydroxycinnamic acid esters of kaempferol and quercetin glucosides has been characterised. The structures of the flavonoid glycosides were analysed after alkaline hydrolysis, and were identified as 3-sophoroside/sophorotrioside-7-glucoside/sophoroside of kaempferol, quercetin and isorhamnetin (this last found in trace amount). These complex quercetin and isorhamnetin glucosides have not been previously characterised in nature. In addition, several less complex glucosides based on the same aglycones have been identified. The effect of sugar substitution and acylation on chromatographic mobility and ESI ionisation and fragmentation are discussed.

Entities: Chemical Species

Mesh：

Substances：
Flavonols

Year: 2004 PMID： 15553143 DOI： 10.1016/j.chroma.2004.05.045

Source DB: PubMed Journal: J Chromatogr A ISSN： 0021-9673 Impact factor: 4.759

Keyword Cloud
Cited

17 in total

1. Identification of flavonoid glycosides in Rosa chinensis flowers by liquid chromatography-tandem mass spectrometry in combination with ¹³C nuclear magnetic resonance.

Authors: Lin-Sen Qing; Ying Xue; Jian-Guang Zhang; Zhi-Feng Zhang; Jian Liang; Yan Jiang; Yi-Ming Liu; Xun Liao
Journal: J Chromatogr A Date: 2012-06-13 Impact factor: 4.759

2. Phenolic component profiles of mustard greens, yu choy, and 15 other brassica vegetables.

Authors: Long-Ze Lin; James M Harnly
Journal: J Agric Food Chem Date: 2010-06-09 Impact factor: 5.279

3. UHPLC-PDA-ESI/HRMS/MS(n) analysis of anthocyanins, flavonol glycosides, and hydroxycinnamic acid derivatives in red mustard greens (Brassica juncea Coss variety).

Authors: Long-Ze Lin; Jianghao Sun; Pei Chen; James Harnly
Journal: J Agric Food Chem Date: 2011-10-24 Impact factor: 5.279

4. Glyceamic and insulinaemic response to mashed potato alone, or with broccoli, broccoli fibre or cellulose in healthy adults.

Authors: Simon Ballance; Svein Halvor Knutsen; Øivind Winther Fosvold; Martin Wickham; Carmen Díaz-Toledo Trenado; John Monro
Journal: Eur J Nutr Date: 2016-09-21 Impact factor: 5.614

Characterisation of flavonols in broccoli (Brassica oleracea L. var. italica) by liquid chromatography-uV diode-array detection-electrospray ionisation mass spectrometry.

1. Identification of flavonoid glycosides in Rosa chinensis flowers by liquid chromatography-tandem mass spectrometry in combination with ¹³C nuclear magnetic resonance.

2. Phenolic component profiles of mustard greens, yu choy, and 15 other brassica vegetables.

3. UHPLC-PDA-ESI/HRMS/MS(n) analysis of anthocyanins, flavonol glycosides, and hydroxycinnamic acid derivatives in red mustard greens (Brassica juncea Coss variety).

4. Glyceamic and insulinaemic response to mashed potato alone, or with broccoli, broccoli fibre or cellulose in healthy adults.

5. Profiling polyphenols in five Brassica species microgreens by UHPLC-PDA-ESI/HRMS(n.).

6. Organ-Specific Quantitative Genetics and Candidate Genes of Phenylpropanoid Metabolism in Brassica oleracea.

Review 7. Phenolic compounds in Brassica vegetables.

Review 8. A Guide to the Variability of Flavonoids in Brassica oleracea.

9. Independent responses to ultraviolet radiation and herbivore attack in broccoli.

10. Regulatory network of secondary metabolism in Brassica rapa: insight into the glucosinolate pathway.