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133055-81-9

The (-)-epigallocatechin gallate (EGCG) complex with β-cyclodextrin (β-CD) forms an inclusion complex where EGCG is encapsulated within the hydrophobic cavity of β-CD, enhancing its stability and potential antioxidant activity. The interaction is influenced by pH, with optimal complexation observed under specific conditions, as demonstrated by NMR and thermodynamic studies. This complexation improves EGCG's solubility and bioavailability while preserving its bioactive properties.

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  • 133055-81-9 Structure

  • Basic information

    1. Product Name: (-)-epigallocatechin gallate complex with β-cyclodextrin
    2. Synonyms: (-)-epigallocatechin gallate complex with β-cyclodextrin
    3. CAS NO:133055-81-9
    4. Molecular Formula:
    5. Molecular Weight: 1593.38
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 133055-81-9.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: (-)-epigallocatechin gallate complex with β-cyclodextrin(CAS DataBase Reference)
    10. NIST Chemistry Reference: (-)-epigallocatechin gallate complex with β-cyclodextrin(133055-81-9)
    11. EPA Substance Registry System: (-)-epigallocatechin gallate complex with β-cyclodextrin(133055-81-9)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 133055-81-9(Hazardous Substances Data)

133055-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133055-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,0,5 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133055-81:
(8*1)+(7*3)+(6*3)+(5*0)+(4*5)+(3*5)+(2*8)+(1*1)=99
99 % 10 = 9
So 133055-81-9 is a valid CAS Registry Number.

133055-81-9Downstream Products

133055-81-9Relevant articles and documents

NMR and molecular fluorescence spectroscopic study of the structure and thermodynamic parameters of EGCG/β-cyclodextrin inclusion complexes with potential antioxidant activity

Folch-Cano, Christian,Guerrero, Juan,Speisky, Hernan,Jullian, Carolina,Olea-Azar, Claudio

, p. 287 - 298 (2014)

The present study is focused on the characterization of the interaction between (-)-epigallocatechingallate (EGCG) and cyclodextrins like β-cyclodextrin (βCD), heptakis(2,6 di-O-methyl)-β-cyclodextrin (DMβCD), and hydroxypropyl-β-cyclodextrin (HPβCD) in a

Effect of solution pH on complex formation between epi-type catechin and β-cyclodextrin

Ohata, Tomonori,Ikeda, Hirohito,Mizobe, Takeshi,Yukawa, Miho,Aki, Hatsumi

, p. 2837 - 2841 (2019)

The effect of solution pH on the formation of an inclusion complex between (?)-epigallocatechin gallate (EGCg: pKa = 7.5) and β-cyclodextrin (β-CD) was investigated by isothermal titration calorimetry and 1H-NMR spectroscopy. The formation of a

The use of diffusion-ordered spectroscopy and complexation agents to analyze mixtures of catechins

Xu, Jun,Tan, Tianwei,Kenne, Lennart,Sandstroem, Corine

body text, p. 1057 - 1063 (2010/08/22)

Mixtures of catechins, (+)-catechin (C), (-)-epicatechin (EC), (-)-epigallocatechin (EGC) and (-)-epigallocatechin gallate (EGCG) have been analyzed by diffusion-ordered spectroscopy (DOSY) using liquid and high-resolution magic angle spinning (HR-MAS) NM

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