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82659-71-0

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82659-71-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82659-71-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,5 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82659-71:
(7*8)+(6*2)+(5*6)+(4*5)+(3*9)+(2*7)+(1*1)=160
160 % 10 = 0
So 82659-71-0 is a valid CAS Registry Number.

82659-71-0Relevant articles and documents

Polyphenols are intensively metabolized in the human gastrointestinal tract after apple juice consumption

Kahle, Kathrin,Huemmer, Wolfgang,Kempf, Michael,Scheppach, Wolfgang,Erk, Thomas,Richling, Elke

, p. 10605 - 10614 (2007)

Polyphenols are secondary plant compounds showing anticarcinogenic effects both in vitro and in animal experiments and may thus reduce the risk of colorectal cancer in man. The identification of polyphenol metabolites formed via their passage through the small intestine of healthy ileostomy subjects after apple juice consumption is presented. Identification and quantification of polyphenols and their metabolites were performed using HPLC-DAD as well as HPLC-ESI-MS/MS. Total procyanidin content (TPA) was measured, and additionally the mean degree of polymerization (DPm) of the procyanidins was determined in the apple juice and ileostomy effluents. As products of polyphenol metabolism, D-(-)-quinic acid and methyl esters of caffeic acid and p-coumaric acid are liberated from the corresponding hydroxycinnamic acid esters. 1-Caffeoylquinic acid and 3-caffeoylquinic acid were determined as products of isomerization. Phloretin 2′-O-glucoside (phloridzin) and phloretin 2′-O-xyloglucoside were metabolized into the corresponding aglycons phloretin and phloretin 2′-Oglucuronide and all were found in the ileostomy effluent. Ninety percent of the consumed procyanidins were recovered in the ileostomy effluent and therefore would reach the colon under physiologic circumstances. The DPm was reduced (DPm of apple juice = 5.7) and varied depending on the time point of excretion. The gastrointestinal passage seems to play an important role in the colonic availability of apple polyphenols.

Identification and quantification of phenolic compounds from the forage legume sainfoin (Onobrychis viciifolia)

Regos, Ionela,Urbanella, Andrea,Treutter, Dieter

body text, p. 5843 - 5852 (2010/06/17)

Phenolic compounds of sainfoin (Onobrychis viciifolia) variety Cotswold Common are assumed to contribute to its nutritive value and bioactive properties. A purified acetone/water extract was separated by Sephadex LH-20 gel chromatography. Sixty-three phen

Essential structure of co-pigment for blue sepal-color development of hydrangea

Kondo, Tadao,Toyama-Kato, Yuki,Yoshida, Kumi

, p. 6645 - 6649 (2007/10/03)

Blue sepal-color of Hydrangea macrophylla might be due to a supramolecular metal-complex pigment consisting of delphinidin 3-glucoside (1), co-pigments (5-O-caffeoylquinic acid (2), and/or 5-O-p-coumaroylquinic acid (3)) and Al 3+ in an aqueous

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