A Method Of Preparing High Purity Lutein Ester Crystals, And

A Method Of Preparing High Purity Lutein Ester Crystals, And Applications Thereof

Abstract: ABSTRACT A METHOD OF PREPARING HIGH PURITY LUTEIN ESTER CRYSTALS, AND APPLICATIONS THEREOF 5 The present disclosure provides a method for preparing lutein ester, by providing a raw material selected from marigold flowers or marigold meal; subjecting the raw material to extraction using ethanol followed by acetone; and concentrating to obtain an extract which may then be crystallized to obtain lutein ester crystal of high purity. Further, the present disclosure provides a method for preparing lutein 10 ester, by providing a raw material selected from marigold flowers or marigold meal; subjecting the raw material to extraction using isopropanol; and concentrating to obtain an extract which may then be crystallized to obtain lutein ester crystal of high purity.

Patent Information

Application #

Filing Date

09 February 2024

Publication Number

33/2025

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

AVT NATURAL PRODUCTS LTD.

60, Rukmani Lakshmipathy Salai, Egmore, Chennai, Tamil Nadu 600008, India

Inventors

1. THOMAS, Rahul

AVT Natural Products Ltd, 60, Rukmani Lakshmipathy Salai, Egmore, Chennai, Tamil Nadu 600008, India

2. BALASUNDARAM, Krishna Kumar

AVT Natural Products Ltd, 60, Rukmani Lakshmipathy Salai, Egmore, Chennai - Tamil Nadu 600008, India

3. NARAYANAN NAIR, Pushpakumari Kaliyarmattom

AVT Natural Products Ltd, South Vazhakulam, Marampilly P.O, Aluva, Kerala 683105, India

4. VARGHESE, Naijo

AVT Natural Products Ltd, South Vazhakulam, Marampilly P.O, Aluva, Kerala 683105, India

5. SIVADASAN, Pramod

AVT Natural Products Ltd, South Vazhakulam, Marampilly P.O, Aluva, Kerala 683105, India

6. BALAKRISHNAN, Deepak Padinjaroot

AVT Natural Products Ltd, South Vazhakulam, Marampilly P.O, Aluva, Kerala 683105, India

Specification

DESC:A METHOD OF PREPARING HIGH PURITY LUTEIN ESTER CRYSTALS, AND APPLICATIONS THEREOF ,CLAIMS:AS ATTACHED

Documents

Application Documents

#	Name	Date
1	202441008970-STATEMENT OF UNDERTAKING (FORM 3) [09-02-2024(online)].pdf	2024-02-09
2	202441008970-PROVISIONAL SPECIFICATION [09-02-2024(online)].pdf	2024-02-09
3	202441008970-POWER OF AUTHORITY [09-02-2024(online)].pdf	2024-02-09
4	202441008970-FORM 1 [09-02-2024(online)].pdf	2024-02-09
5	202441008970-DRAWINGS [09-02-2024(online)].pdf	2024-02-09
6	202441008970-Proof of Right [22-02-2024(online)].pdf	2024-02-22
7	202441008970-CORRESPONDENCE-OTHERS [07-02-2025(online)].pdf	2025-02-07
8	202441008970-COMPLETE SPECIFICATION [07-02-2025(online)].pdf	2025-02-07
9	202441008970-Request Letter-Correspondence [11-02-2025(online)].pdf	2025-02-11
10	202441008970-Power of Attorney [11-02-2025(online)].pdf	2025-02-11
11	202441008970-Form 1 (Submitted on date of filing) [11-02-2025(online)].pdf	2025-02-11
12	202441008970-Covering Letter [11-02-2025(online)].pdf	2025-02-11
13	202441008970-CERTIFIED COPIES TRANSMISSION TO IB [11-02-2025(online)].pdf	2025-02-11
14	202441008970-RELEVANT DOCUMENTS [17-03-2025(online)].pdf	2025-03-17
15	202441008970-FORM 13 [17-03-2025(online)].pdf	2025-03-17
16	202441008970-REQUEST FOR CERTIFIED COPY [08-05-2025(online)].pdf	2025-05-08