Results 161 to 170 of about 4,914 (184)

A computational exploration into the structure, antioxidant capacity, toxicity and drug-like activity of the anthocyanidin “Petunidin”

Heliyon, 2019
A computational investigation on the structure and antioxidant property of a natural food colorant Petunidin (PT) was performed under DFT/B3LYP/6-31+ G (d, p). PT has a drug score of +0.804 which indicates its drug-like nature. The antioxidant property of PT was well explained by HAT mechanism and it has been found that the electron releasing ...
Vijisha K Rajan, K Muraleedharan
exaly   +4 more sources

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A new petunidin tetraglycoside and tulipanin fromOphiopogon seeds

Botanical Magazine, 1980
Blue 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, Ishikura Nariyuki
exaly   +2 more sources

Effects of heat, ultrasound, and microwave processing on the stability and antioxidant activity of delphinidin and petunidin

Journal of Food Biochemistry, 2019
The effects of conventional heating, ultrasonic, and microwave treatments on the stability and antioxidant activities of anthocyanidin standards (delphinidin and petunidin) were studied. The antioxidant activities of delphinidin and petunidin significantly decreased during the treatments, which suggested that the antioxidant activities of the ...
Ze-Yuan Deng, Hongyan Li, Furong Wang
exaly   +3 more sources

Petunidin as a competitive inhibitor of acylated homoserine lactones in Klebsiella pneumoniae

RSC Advances, 2016
Most of the bacterial species communicate with each other through a mechanism called Quorum Sensing (QS) to regulate their phenotypic characteristics.
Ayaluru Murali, Venkadesaperumal Gopu, Prathapkumar Shetty   +2 more
exaly   +2 more sources

Synergistic antioxidant effects of petunidin and lycopene in H9c2 cells submitted to hydrogen peroxide: Role of Akt/Nrf2 pathway

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, Rong Tsao, Hongyan Li
exaly   +3 more sources

Lack of Short-term Memory Improvement in Caenorhabditis elegans after Petunidin-3-glucoside Supplementation

Journal of Preventive, Diagnostic and Treatment Strategies in Medicine, 2023
BACKGROUND:Learning and memory can be enhanced by antioxidants by protecting the neurons against oxidative damage. Phytochemicals, like anthocyanins, may hold the potential to improve cognitive function by ameliorating neuronal damage induced by reactive oxygen species. Petunidin-3-glucoside (P3G) is one of the different classes of anthocyanin found in
Jan Mackenzie Guese, Cherry Pie Hernandez, Mark Edrex Mabalot, John Sylvester Nas   +3 more
openaire   +1 more source

The antioxidant activity and active sites of delphinidin and petunidin measured by DFT, in vitro chemical‐based and cell‐based assays

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.
Ze-Yuan Deng, Hongyan Li
exaly   +3 more sources

Acylated petunidin glycosides in the flowers of Exacum affine (Gentianaceae)

Phytochemistry Letters
Fumi Tatsuzawa
exaly   +2 more sources

Synthesis of malvidin and petunidin in pigmented tissue cultures ofPetunia hybrida

Protoplasma, 1981
In 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, L. M. V. Jonsson, A. W. Schram, A. J. Kool   +3 more
openaire   +1 more source

Petunidin suppresses Hashimoto’s thyroiditis by regulating Th1/Th17 homeostasis and oxidative stress

Cellular Immunology
Hashimoto'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
Beiyan Liu
exaly   +3 more sources