TAILIEUCHUNG - Summary of Chemistry dotoral thesis: Studies on extraction, purification and hydrolysis of glucomannan from Amorphophallus konjac K.Koch in Lam Dong, Vietnam and its anti-diabetic activities

The objectives of the thesis: Extraction, chemical charaterization of glucomannan from the tubers of Amorphophallus Konjac in Lam Dong, Vietnam; parameter optimization for glucomannan hydrolysis reaction to make different types of low molecular weight glucomannan by different methods. | MINISTRY OF EDUCATION VIETNAM ACADEMY OF AND TRAINING SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY OF SCIENCE AND TECHNOLOGY Tran Thi Nu STUDIES ON EXTRACTION PURIFICATION AND HYDROLYSIS OF GLUCOMANNAN FROM MORPHOPHALLUS KONJAC IN LAM DONG VIETNAM AND ITS ANTI-DIABETIC ACTIVITIES Major Organic chemistry Code SUMMARY OF CHEMISTRY DOTORAL THESIS Hanoi 2020 This thesis was completed at Graduate University of Science and Technology Vietnam Academy of Science and Technology. Advisor 1 Prof. Dr. Do Truong Thien Advisor 2 Dr. Tran Thi Y Nhi 1st Reviewer 2st Reviewer 3st Reviewer . This thesis will be defended at Graduate University of Science and Technology Vietnam Academy of Science and Technology at .hour .date. month . 2020. The thesis can be found in - The Library of Graduate University of Science and Technology Vietnam Academy of Science and Technology. - Vietnam National Library. INTRODUCTION 1. The urgency of the thesis Glucomannan a water soluble polysaccharide is composed of a linear chain of β-1 4-linked D-glucose and D- mannose residues in a molar ratio of 1 with side branches through β-1 6-glucosyl units. The acetyl groups along the glucomannan backbone are located on average every 9 19 sugar units at the C-6 position. Glucomannan is a low-calorie dietary fiber that has been used as diatary food for dieters to lose weight reduce blood cholesterol and postprandial glucose response. In addition glucomannan is one of the most viscous dietary fibres known which has been used in various fields such as food thickener elastic gels films . Glucomannan is extracted from the tubers of some Amorphophallus species. In some subtropical Asia countries such as China and Japan Thai Lan A. konjac is regarded as an agronomically important crop which has great potential in both domestic and international markets. Glucomannan is found in many different Amorphophallus species which has different structure and properties in each species. Amorphophallus konjac .

• Thạc sĩ - Tiến sĩ - Cao học
• Organic chemistry
• Luận án Tiến sĩ Hóa học
• Hydrolysis of glucomannan
• Amorphophallus Konjac K Koch
• Phản ứng thủy phân konjac glucomannan
• Hóa học các hợp chất thiên nhiên
• In this workbook
• experiments are elaborated using small scale glassware and equipments from a Small Lab Kit
• developed at the Department of Chemistry
• Faculty of Science
• Chulalongkorn University in Thailand
• This Small Lab Kit was created as a result of the research project entitled “Chemistry Laboratory Based on Chemical Safety and Pollution Minimization” sponsored by Thai Research Fund (RDG 3 07 2543)
• One of the outcomes of this project is the organic laboratory book entitled “Organic Chemistry Laboratory Based on Chemical Safety and Pollution Minimization” written in Thai by professors from 7 universities in this project
• They compiled
• adjusted and tested the experiments taken from several traditional organic chemistry laboratory books using the prototype of Small Lab Kit
• Currently
• some selected experiments from this Thai organic chemistry laboratory text have further been modified
• rewritten and edited in English as appeared in this workbook
• Some experiments ar
• Ebook Organic chemistry
• Nucleophilic substitution
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• nucleophilic addition
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