Chemical fact sheet: Precarthamin

Precarthamin

Basics

Category
Chalcones & aurones
IUPAC-name
2,2-bis((S)-2,3,4-trihydroxy-5-((E)-3-(4-hydroxyphenyl)acryloyl)-6-oxo-3-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)cyclohexa-1,4-dien-1-yl)acetic acid
Formula
No formula stored
Exact mass
956.22225 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of precarthamin
Figure 1.1: Chemical structure of precarthamin

Sources

In summary, the chemical precarthamin has been analyzed from following sources:

Carthamus tinctorius 'Ken-ba'
1st
Carthamus tinctorius 'Ogon-hanagasa'
1st
Carthamus tinctorius 'Shiro-bana'
1st

Note that an analysis result in the database may indicate either presence or lack thereof of a chemical in an analyzed sample.

References

  1. K. Kazuma, T. Takahashi, K. Sato, H. Takeuchi, T. Matsumoto, and T. Okuno, "Quinochalcones and flavonoids from fresh florets in different cultivars of Carthamus tinctorius L.," Bioscience, Biotechnology, and Biochemistry , vol. 64 , no. 8 , pp. 1588–1599 , DOI: 10.1271/bbb.64.1588 .

Analysis results

Analysis result 1

Detection technique Values Units
UV/Vis 238
406 		nm
[M⁺ H]⁺ 957.30000 m/z
MS²⁺ 453.70000
615.50000
633.60000
777.60000 		m/z
STD
False
TLC
False
UV/Vis detector description
HPLC-PDA
Mass spectrometer description
ESI-MS/MS
Organism
Carthamus tinctorius 'Ken-ba'
fresh
Sample note
Cultivar Ken-ba was grown in the field of Hirosaki University in Japan. The capitula were harvested when tubular florets had just appeared outside the involucres. Only tubular florets were collected. Ken-ba is a wild type cultivar the petals of which look orange yellow.
Extraction solvents
methanol
Extraction mass/volume-ratio
125 mg/mL
Extraction repeats
2
Extraction temperature
4 °C
Extract drying method
evaporation in vacuo
Analysis solvents
methanol:water (1:1, v7v)
Detection note
Yellow amorphous powder was obtained; m/z 957.3 [M + H]+ was detected by ESI-MS.
References

K. Kazuma, T. Takahashi, K. Sato, H. Takeuchi, T. Matsumoto, and T. Okuno, "Quinochalcones and flavonoids from fresh florets in different cultivars of Carthamus tinctorius L.," Bioscience, Biotechnology, and Biochemistry , vol. 64 , no. 8 , pp. 1588–1599 , DOI: 10.1271/bbb.64.1588 .

Analysis result 2

Detection technique Values Units
UV/Vis 238
406 		nm
[M⁺ H]⁺ 957.30000 m/z
MS²⁺ 453.70000
615.50000
633.60000
777.60000 		m/z
STD
False
TLC
False
UV/Vis detector description
HPLC-PDA
Mass spectrometer description
ESI-MS/MS
Organism
Carthamus tinctorius 'Ogon-hanagasa'
fresh
Sample note
Cultivar Ogon-hanagasa was grown in the field of Hirosaki University in Japan. The capitula were harvested when tubular florets had just appeared outside the involucres. Only tubular florets were collected. Ogon-hanagasa is a cultivar with plain yellow petals.
Extraction solvents
methanol
Extraction mass/volume-ratio
125 mg/mL
Extraction repeats
2
Extraction temperature
4 °C
Extract drying method
evaporation in vacuo
Analysis solvents
methanol:water (1:1, v7v)
Detection note
Yellow amorphous powder was obtained; m/z 957.3 [M + H]+ was detected by ESI-MS.
References

K. Kazuma, T. Takahashi, K. Sato, H. Takeuchi, T. Matsumoto, and T. Okuno, "Quinochalcones and flavonoids from fresh florets in different cultivars of Carthamus tinctorius L.," Bioscience, Biotechnology, and Biochemistry , vol. 64 , no. 8 , pp. 1588–1599 , DOI: 10.1271/bbb.64.1588 .

Analysis result 3

Detection technique Values Units
UV/Vis 238
406 		nm
[M⁺ H]⁺ 957.30000 m/z
MS²⁺ 453.70000
615.50000
633.60000
777.60000 		m/z
STD
False
TLC
False
UV/Vis detector description
HPLC-PDA
Mass spectrometer description
ESI-MS/MS
Organism
Carthamus tinctorius 'Shiro-bana'
fresh
Sample note
Cultivar Shiro-bana was grown in the field of Hirosaki University in Japan. The capitula were harvested when tubular florets had just appeared outside the involucres. Only tubular florets were collected. Shiro-bana cultivar has white petals.
Extraction solvents
methanol
Extraction mass/volume-ratio
125 mg/mL
Extraction repeats
2
Extraction temperature
4 °C
Extract drying method
evaporation in vacuo
Analysis solvents
methanol:water (1:1, v7v)
Detection note
Yellow amorphous powder was obtained; m/z 957.3 [M + H]+ was detected by ESI-MS.
References

K. Kazuma, T. Takahashi, K. Sato, H. Takeuchi, T. Matsumoto, and T. Okuno, "Quinochalcones and flavonoids from fresh florets in different cultivars of Carthamus tinctorius L.," Bioscience, Biotechnology, and Biochemistry , vol. 64 , no. 8 , pp. 1588–1599 , DOI: 10.1271/bbb.64.1588 .