Publication: More values of L-quebrachitol from skim natural rubber latex
dc.contributor.author | Teerawan Wannuch | en_US |
dc.contributor.author | Adun Nimpaiboon | en_US |
dc.contributor.author | Jitladda Sakdapipanich | en_US |
dc.contributor.other | Mahidol University | en_US |
dc.date.accessioned | 2018-11-23T10:07:35Z | |
dc.date.available | 2018-11-23T10:07:35Z | |
dc.date.issued | 2015-01-01 | en_US |
dc.description.abstract | © (2015) Trans Tech Publications, Switzerland. Natural rubber (NR) latex collected from Hevea brasiliensis rubber tree exists as a colloidal suspension with 30% dry rubber content (DRC). For convenient use and transportation, the latex was concentrated by centrifugation process. Through this process, the 60% DRC concentrated NR latex and 5% DRC skim latex as a by-product were produced. After using acid coagulation of skim latex, the skim rubber is obtained to use for low-grade application due to high amount of nonrubber components as impurities. The water portion remaining after the coagulation of skim rubber consists of various water-soluble materials such as sugars, lipids, proteins and minerals, which can cause the water pollution if serum is directly discharged into the environment without proper treatment. However, 1.5% of L-quebrachitol were found in skim latex. It can be used in many applications such as a starting material for the synthesis of bioactive materials and inositol pharmacy. Thus, this work is an attempt to investigate the most effective extraction method of L-quebrachitol from skim latex. It was found that the appropriate solvent for extraction L-quebrachitol at high temperature and for recrystallization at low temperature is ethanol. The yield of L-quebracchitol about 2-3% by weight of solid serum were obtained. Moreover, a sweetness and antibacterial activity were also studied for its further applications. It was found that the sweetness of L-quebrachitol was twice than that of sucrose. No antibacterial activity of L-quebrachitol against Staphylococcus aureus and Streptococcus mutans was found. | en_US |
dc.identifier.citation | Key Engineering Materials. Vol.659, (2015), 458-462 | en_US |
dc.identifier.doi | 10.4028/www.scientific.net/KEM.659.458 | en_US |
dc.identifier.issn | 10139826 | en_US |
dc.identifier.other | 2-s2.0-84952360435 | en_US |
dc.identifier.uri | https://repository.li.mahidol.ac.th/handle/123456789/35938 | |
dc.rights | Mahidol University | en_US |
dc.rights.holder | SCOPUS | en_US |
dc.source.uri | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84952360435&origin=inward | en_US |
dc.subject | Engineering | en_US |
dc.subject | Materials Science | en_US |
dc.title | More values of L-quebrachitol from skim natural rubber latex | en_US |
dc.type | Conference Paper | en_US |
dspace.entity.type | Publication | |
mu.datasource.scopus | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84952360435&origin=inward | en_US |