Results 171 to 180 of about 8,005 (193)
Petunidin, a B-ring 5′-O-Methylated Derivative of Delphinidin, Stimulates Osteoblastogenesis and Reduces sRANKL-Induced Bone Loss [PDF]
International Journal of Molecular Sciences, 2019 Several lines of evidence suggest that oxidative stress is one of the key pathogenic mechanisms of osteoporosis. We aimed to elucidate the bone protective effects of petunidin, one of the most common anthocyanidins, considering its potent antioxidative activity. Petunidin (>5 μg/mL) significantly inhibited osteoclastogenesis and downregulated c-fos,
Toyonobu Maeda +2 more
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Journal of Food Science, 2020
Abstract Phenolics and carotenoids coexist in fruits and vegetables and could possess interaction effects after consumption. The present study aims to elucidate the possible mechanisms of the antioxidant interactions between anthocyanins and carotenoids using petunidin and lycopene as ...
Ze-Yuan Deng, Fang Chen, Liufeng Zheng
exaly +3 more sources
Abstract Phenolics and carotenoids coexist in fruits and vegetables and could possess interaction effects after consumption. The present study aims to elucidate the possible mechanisms of the antioxidant interactions between anthocyanins and carotenoids using petunidin and lycopene as ...
Ze-Yuan Deng, Fang Chen, Liufeng Zheng
exaly +3 more sources
A new petunidin tetraglycoside and tulipanin fromOphiopogon seeds
Botanical Magazine, 1980Blue seed-coats ofOphiopogon jaburan have been found to contain two kinds of anthocyanins. By means of paper chromatographic and spectral analyses, one present as a minor component was determined to be delphinidin 3-rutinoside, tulipanin, and the major component, a new anthocyanin, was identified as petunidin 3-O-β-(2G-glucosylrutinoside)-5′-glucoside,
Nariyuki Ishikura, Shunzô Hayashida
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Journal of Food Biochemistry, 2019
A computational DFT B3LYP method with 6-311G (d,p) basis set, the in vitro chemical-based and cellular antioxidant activity (CAA) assays were applied in this study to explain the structure-antioxidant activity relationships of delphinidin and petunidin.
Hong-Yan Li, Ze-Yuan Deng
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A computational DFT B3LYP method with 6-311G (d,p) basis set, the in vitro chemical-based and cellular antioxidant activity (CAA) assays were applied in this study to explain the structure-antioxidant activity relationships of delphinidin and petunidin.
Hong-Yan Li, Ze-Yuan Deng
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Synthesis of malvidin and petunidin in pigmented tissue cultures ofPetunia hybrida
Protoplasma, 1981In petunia cells culturedin vitro anthocyanin synthesis is usually repressed resulting in white/ yellow cells. However, we observed that in petunia strain AK-5000 purple cells appeared at a frequency of about 5 × 10−5. Analysis of the pigments showed that these cells contained the same anthocyanidins (petunidin and malvidin) as found in corollas of the
C. M. Colijn +3 more
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Petunidin suppresses Hashimoto’s thyroiditis by regulating Th1/Th17 homeostasis and oxidative stress
Cellular ImmunologyHashimoto's thyroiditis (HT) is a prevalent autoimmune thyroid disease, necessitating further research to identify effective treatment strategies. Two key pathophysiological factors of HT are inflammation and oxidative stress. Petunidin (PET) is an anthocyanin with anti-inflammatory and antioxidant properties. This study aimed to investigate the effect
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Acylated petunidin glycosides in the flowers of Exacum affine (Gentianaceae)
Phytochemistry LettersFumi Tatsuzawa, Natsu Tanikawa
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Food Chemistry
This study developed an efficient chemical synthesis method for 5,7-dimethylated anthocyanins (Pn3GdM and Pt3GdM) to improve the poor liposolubility and instability of anthocyanins. The synthesis involved selective methylation of the A ring using a total synthesis approach and methoxy protection mediated by dimethyl sulfate.
Qianqian He, Wei-Bin Bai
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This study developed an efficient chemical synthesis method for 5,7-dimethylated anthocyanins (Pn3GdM and Pt3GdM) to improve the poor liposolubility and instability of anthocyanins. The synthesis involved selective methylation of the A ring using a total synthesis approach and methoxy protection mediated by dimethyl sulfate.
Qianqian He, Wei-Bin Bai
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International Immunopharmacology
Vinclozolin (VZN) is a widely used fungicide which exerts deleterious impacts on various organs including testis. Petunidin (PDN) is a polyphenolic compound that demonstrates a broad range of pharmacological activities. Thirty-two rats were divided into 4 groups including the control, VZN (100 mg/kg), VZN (100 mg/kg) + PDN (4 mg/kg) and PDN (4 mg/kg ...
Ahmed Al-Emam
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Vinclozolin (VZN) is a widely used fungicide which exerts deleterious impacts on various organs including testis. Petunidin (PDN) is a polyphenolic compound that demonstrates a broad range of pharmacological activities. Thirty-two rats were divided into 4 groups including the control, VZN (100 mg/kg), VZN (100 mg/kg) + PDN (4 mg/kg) and PDN (4 mg/kg ...
Ahmed Al-Emam
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Journal of Agricultural and Food Chemistry
The chemical synthesis of anthocyanins, especially delphinidin-3-O-glucoside and petunidin-3-O-glucoside, is preferable due to the challenges associated with their extraction and purification. However, the reported methods for the synthesis are scarce and intricate. Our research focused on exploring a one-step ester-to-ketone process and optimizing the
Guangkai Wu +5 more
openaire +2 more sources
The chemical synthesis of anthocyanins, especially delphinidin-3-O-glucoside and petunidin-3-O-glucoside, is preferable due to the challenges associated with their extraction and purification. However, the reported methods for the synthesis are scarce and intricate. Our research focused on exploring a one-step ester-to-ketone process and optimizing the
Guangkai Wu +5 more
openaire +2 more sources