MY191182A - Method for extracting roselle extractive and therapeutic application thereof - Google Patents

Method for extracting roselle extractive and therapeutic application thereof

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Publication number
MY191182A
MY191182A MYPI2018700688A MYPI2018700688A MY191182A MY 191182 A MY191182 A MY 191182A MY PI2018700688 A MYPI2018700688 A MY PI2018700688A MY PI2018700688 A MYPI2018700688 A MY PI2018700688A MY 191182 A MY191182 A MY 191182A
Authority
MY
Malaysia
Prior art keywords
solvent
anthocyanins
modifier
molecules
method includes
Prior art date
Application number
MYPI2018700688A
Inventor
Binti Idham Zuhaili
Binti Mohd Nasir Hasmida
Nian Yian Lee
Azizi Bin Che Yunus Mohd
Hamidah Binti Mohd Setapar Siti
Original Assignee
Univ Teknologi Malaysia Icc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Teknologi Malaysia Icc filed Critical Univ Teknologi Malaysia Icc
Priority to MYPI2018700688A priority Critical patent/MY191182A/en
Publication of MY191182A publication Critical patent/MY191182A/en

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Abstract

Disclosed is a method of obtaining a Roselle calyces extract with an increased quantity of anthocyanins. The method includes a step of continuously feeding a solvent into an extraction column having an exit end at a pre-defined pressure, a pre-defined temperature and a pre-defined solvent flow rate to ensure saturation at the exit end of the extraction column. The solvent comprises carbon dioxide and a modifier. Then the method includes a step of utilizing supercritical carbon dioxide-ethanol (ScCO2) with the modifier to enhance polarity of the solvent extracted from the extraction column. The modifier is a mixture of ethanol and water at 3:1 (v/v). Further, the method includes a step of pumping the solvent and the modifier at a flow rate of 6 milliliters per minute (mL/min) to obtain the Roselle calyces extract in a pre-defined time duration. The solvent having anthocyanins molecules in an equilibrium between a colored cationic form and a colorless pseudo base. The equilibrium is influenced by a pH condition. The pH condition determines the color of the anthocyanins molecules. The anthocyanins molecules having a red circle structure. The red circle structure is flavylium cation. The anthocyanins molecules form at least one of a negative ion, and anion at a higher pH condition. Figure 1
MYPI2018700688A 2018-02-22 2018-02-22 Method for extracting roselle extractive and therapeutic application thereof MY191182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI2018700688A MY191182A (en) 2018-02-22 2018-02-22 Method for extracting roselle extractive and therapeutic application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MYPI2018700688A MY191182A (en) 2018-02-22 2018-02-22 Method for extracting roselle extractive and therapeutic application thereof

Publications (1)

Publication Number Publication Date
MY191182A true MY191182A (en) 2022-06-04

Family

ID=82799996

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2018700688A MY191182A (en) 2018-02-22 2018-02-22 Method for extracting roselle extractive and therapeutic application thereof

Country Status (1)

Country Link
MY (1) MY191182A (en)

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