Preparation of Chitin, Study of Physicochemical Properties and Biopesticide Activities
| Main Authors: | Rohyami, Yuli, Istiningrum, Reni Banowati |
|---|---|
| Format: | Article info application/pdf eJournal |
| Bahasa: | eng |
| Terbitan: |
Fakultas Matematika dan Ilmu Pengetahuan Alam
, 2013
|
| Online Access: |
https://journal.uii.ac.id/Eksakta/article/view/4033 https://journal.uii.ac.id/Eksakta/article/view/4033/3594 |
| ctrlnum |
article-4033 |
|---|---|
| fullrecord |
<?xml version="1.0"?>
<dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><title lang="en-US">Preparation of Chitin, Study of Physicochemical Properties and Biopesticide Activities</title><creator>Rohyami, Yuli</creator><creator>Istiningrum, Reni Banowati</creator><subject lang="en-US"/><description lang="en-US">Chitin was preparated from shrimp shells by chemically method. Preparation was carried out by deproteination shrimp shells powder < 150 mesh with 1 - 2 M NaOH, demineralization followed by reaction with 1.0 M HCl and depigmentation with (1 : 2 : 4, v/v) of chloroform : methanol : water. Physicochemical properties of chitin was determined from characterization of infrared spectra, ash value, loss on drying and total of nitrogen. Biopesticide activities of chitin was done to pest Bemisia tabaci at guava leaves with various concentration from 0.5 to 2.0 % chitin on 3 % v/v acetic acid. This study indicated that concentration of NaOH on deproteination process effected to its physicochemicals properties. Effectivity of 2 M NaOH on deproteination reaction was higher than 1 M NaOH . The degree of chitin deacetylation from 2 M NaOH was 13.61% and had lower molar ratio of total nitrogen. The degree of deacetylation of chitin from 1 M NaOH had lower and had higher molar ratio of total nitrogen. Physicochemicals properties of chitin quite an impact on its ability to reduce pest Bemisia tabaci. Biopesticide activity assay showed that treatment for 2 days on average mortality rate of 13.83%. Deacetylation of chitin which has a higher degree have a greaterability biopesticide with a mortality rate of up to 38.24%. This study the effect of deproteination process to biopesticide activities of chitin.Key Words : chitin, degree of deacetilation, molar ratio, biopesticide, Bemisia tabaci</description><publisher lang="en-US">Fakultas Matematika dan Ilmu Pengetahuan Alam</publisher><contributor lang="en-US"/><date>2013-08-10</date><type>Journal:Article</type><type>Other:info:eu-repo/semantics/publishedVersion</type><type>Journal:Article</type><type>File:application/pdf</type><identifier>https://journal.uii.ac.id/Eksakta/article/view/4033</identifier><identifier>10.20885/eksakta.vol13.iss1-2.art6</identifier><source lang="en-US">EKSAKTA: Jurnal Ilmu-ilmu MIPA; VOLUME 13, ISSUE 1-2, August 2013; 49-55</source><source>2503-2364</source><source>1411-1047</source><language>eng</language><relation>https://journal.uii.ac.id/Eksakta/article/view/4033/3594</relation><rights lang="en-US">Copyright (c) 2016 Jurnal Eksakta</rights><recordID>article-4033</recordID></dc>
|
| language |
eng |
| format |
Journal:Article Journal Other:info:eu-repo/semantics/publishedVersion Other File:application/pdf File Journal:eJournal |
| author |
Rohyami, Yuli Istiningrum, Reni Banowati |
| title |
Preparation of Chitin, Study of Physicochemical Properties and Biopesticide Activities |
| publisher |
Fakultas Matematika dan Ilmu Pengetahuan Alam |
| publishDate |
2013 |
| url |
https://journal.uii.ac.id/Eksakta/article/view/4033 https://journal.uii.ac.id/Eksakta/article/view/4033/3594 |
| contents |
Chitin was preparated from shrimp shells by chemically method. Preparation was carried out by deproteination shrimp shells powder < 150 mesh with 1 - 2 M NaOH, demineralization followed by reaction with 1.0 M HCl and depigmentation with (1 : 2 : 4, v/v) of chloroform : methanol : water. Physicochemical properties of chitin was determined from characterization of infrared spectra, ash value, loss on drying and total of nitrogen. Biopesticide activities of chitin was done to pest Bemisia tabaci at guava leaves with various concentration from 0.5 to 2.0 % chitin on 3 % v/v acetic acid. This study indicated that concentration of NaOH on deproteination process effected to its physicochemicals properties. Effectivity of 2 M NaOH on deproteination reaction was higher than 1 M NaOH . The degree of chitin deacetylation from 2 M NaOH was 13.61% and had lower molar ratio of total nitrogen. The degree of deacetylation of chitin from 1 M NaOH had lower and had higher molar ratio of total nitrogen. Physicochemicals properties of chitin quite an impact on its ability to reduce pest Bemisia tabaci. Biopesticide activity assay showed that treatment for 2 days on average mortality rate of 13.83%. Deacetylation of chitin which has a higher degree have a greaterability biopesticide with a mortality rate of up to 38.24%. This study the effect of deproteination process to biopesticide activities of chitin.Key Words : chitin, degree of deacetilation, molar ratio, biopesticide, Bemisia tabaci |
| id |
IOS1363.article-4033 |
| institution |
Universitas Islam Indonesia |
| institution_id |
138 |
| institution_type |
library:university library |
| library |
Perpustakaan Universitas Islam Indonesia |
| library_id |
497 |
| collection |
Jurnal Eksakta |
| repository_id |
1363 |
| city |
SLEMAN |
| province |
DAERAH ISTIMEWA YOGYAKARTA |
| repoId |
IOS1363 |
| first_indexed |
2017-02-25T12:23:08Z |
| last_indexed |
2019-05-20T12:57:20Z |
| recordtype |
dc |
| merged_child_boolean |
1 |
| _version_ |
1722648725214461952 |
| score |
17.203505 |