Seventeen different anthocyanins were present in broccoli (Moreno et al. 2010), the main peaks corresponding to cyanidin-3-O-digluco-side-5-O-glucoside acylated and double acylated with p-coumaric

The preventive effects of acylated anthocyanins from red cabbage on paraquat-induced oxidative stress were determined in rats. Decreased food intake and body weight gain, and increased lung weight and atherogenic index by feeding the rats on a diet containing paraquat were clearly suppressed by supplementing acylated anthocynins to the paraquat diet.

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However, the activity was highly affected by the binding site of intramolecular acyl units even if anthocyanins have common acyl units. Many anthocyanins containing acylated sugar moieties are also known. The acyl groups are mostly derivatives of cinnamic acid such as p -coumaric, caffeic, and ferulic acid, but include some aliphatic acids such as malonic, succinic, and acetic acid as well. Anthocyanins are present in fruits and berries as non-acylated glycosides of anthocyanidins, whereas acylated anthocyanins are found in some other foods such as purple potatoes, cabbages, and corns.

Acylated anthocyanins and especially those acylated with aromatic acids are exceptionally resistant to discoloration (Dangles et al., 1993; Cheynier et al., 2006). Grapevine (Vitis vinifera) anthocyanins are the 3-monoglucosides of five anthocyanidins: cyanidin, delphinidin and its methylated derivatives, peonidin, petunidin, and malvidin.

2021-04-09 · Anthocyanins have been reported to possess antidiabetic effects. Recent studies indicate acylated anthocyanins have better stability and antioxidative activity compared to their nonacylated counterparts. This study compared the effects of nonacylated and acylated anthocyanins on hepatic gene expression and metabolic profile in diabetic rats, using full-length transcriptomics and 1H NMR As a result, the acylated anthocyanins showed strong maltase inhibitory activities with IC(50) values of <200 microM, whereas no sucrase inhibition was observed.

2003-06-01

We evaluated the hemodynamic effects of single intragastric doses of purple carrot ( Daucus carota L.) anthocyanin (PCA) and two monomeric anthocyanins, cyanidin 3- O -glycoside (C3G) and delphinidin 3- O -ruthenoside (D3R). The fate of acylated anthocyanins in mildly heated neutral solution 1. Introduction. Anthocyanins are plant pigments expressing a wide array of red to blue colors depending on pH and the 2. Materials & methods. Red cabbage anthocyanins were isolated from red cabbage by preparatory LC according to Anthocyanin glycosyl acylation commonly refers to the phenomenon in which the hydroxyl groups of anthocyanin glycosyls are esterified by aliphatic or aromatic acids, which is synthetically represented by the acylation sites as well as the types and numbers of acyl groups. Four new acylated anthocyanins, alanins (1 – 4) were isolated from the MeOH extracts of purple yam, which were subsequently determined to be cyanidin (1, 2, and 4) and peonidin (3) type compounds, along with four known anthocyanins (5 – 8).

We evaluated the hemodynamic effects of single intragastric doses of purple carrot (Daucus carota L.) anthocyanin (PCA) and two monomeric anthocyanins, cyanidin 3-O-glycoside (C3G) and de Findings of acylated anthocyanins with increased stability have shown that these pigments may impart desirable color and stability for commercial food products. Examples of suitable acylated anthocyanin sources may be radishes, red potatoes, red cabbage, black carrots, and purple sweet potatoes. A Grapevine Anthocyanin Acyltransferase, Transcriptionally Regulated by VvMYBA, Can Produce Most Acylated Anthocyanins Present in Grape Skins Plant Physiol . 2015 Nov;169(3):1897-916.
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Four new acylated anthocyanins, alanins (1–4) were isolated from the MeOH extracts of purple yam, which were subsequently determined to be cyanidin (1, 2, and 4) and peonidin (3) type compounds, along with four known anthocyanins (5–8). The structures of 1–4 were determined by spectroscopic methods, including NMR and MS analyses. In this study, high molecular weight acylated monomeric anthocyanins were isolated from purple sweet potato (Ipomoea batatas L. cultivar Eshu No. 8) via the combination of column chromatography and semi‐preparative HPLC technology and identified mainly by ultra‐high‐performance liquid chromatography quadrupole time‐of‐flight tandem mass spectrometry/mass spectrometry … Additionally, the acylation sites as well as the types and numbers of acyl groups influence the stability of acylated anthocyanins to different degrees. This review could provide insight into the optimization of the stability of anthocyanins as well as the application of suitable anthocyanins in food, pharmaceutical and cosmetic industries. As a result, the acylated anthocyanins showed strong maltase inhibitory activities with IC(50) values of <200 microM, whereas no sucrase inhibition was observed.

41, N-5007 Bergen, Norway The major anthocyanins in red radishes are acylated pelargonidin glycosides, such as 3-p-coumaroylsophoroside-5-glucoside, 3-trans-feruloylsophoroside-5-glucoside, 3-trans-feruloylsophoroside-5-malonylglucoside, 3-trans-p-coumaroylsophoroside-5-malonylglucoside, 89 and other di-acylated compounds.
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In neutral solution, anthocyanins acylated by hydroxycinnamic acids typically exhibit attractive blue colors and a higher resistance to color loss compared to their 

Decreased food intake and body weight gain, and increased lung weight and atherogenic index by feeding the rats on a diet containing paraquat were clearly suppressed by supplementing acylated anthocynins to the paraquat diet.