Application of an ultrasound process to extract catechins from green tea wastes
There is increasing need for industries to develop innovative technologies that in addition to being low cost, are also fast and provide high yields and efficiency, while at the same time avoiding adverse effects in the environment. One technique that conforms to these requirements is the use of ult...
| Principais autores: | Oliveira, Rosilene dos Santos, Rocha, Juliana da Silva, Pinheiro, Keren Hapuque, Pereira, Matheus Mendonça, Barão, Carlos Eduardo |
|---|---|
| Formato: | Artigo |
| Idioma: | Português |
| Publicado em: |
Universidade Tecnológica Federal do Paraná (UTFPR)
2016
|
| Acesso em linha: |
http://periodicos.utfpr.edu.br/rebrapa/article/view/3724 |
| Tags: |
Adicionar Tag
Sem tags, seja o primeiro a adicionar uma tag!
|
| id |
peri-article-3724 |
|---|---|
| recordtype |
ojs |
| spelling |
peri-article-37242016-09-20T18:52:01Z Application of an ultrasound process to extract catechins from green tea wastes Oliveira, Rosilene dos Santos Rocha, Juliana da Silva Pinheiro, Keren Hapuque Pereira, Matheus Mendonça Barão, Carlos Eduardo Ciência Agrárias chá verde; ultrassom, catequinas There is increasing need for industries to develop innovative technologies that in addition to being low cost, are also fast and provide high yields and efficiency, while at the same time avoiding adverse effects in the environment. One technique that conforms to these requirements is the use of ultrasound, which also offers ease of application and can be used in the extraction of compounds from leaves. The aim of the present work was to evaluate the efficiency of ultrasound in extracting catechins from green tea wastes, employing solvents with different polarities: water, acetone, ethanol, methanol, and isopropanol. The best extraction results were achieved using water as the solvent. Comparison was then made of extractions using water in the presence or absence of ultrasonication. The cavitation in the liquid medium, induced by the sound waves, acted to increase the permeability of the cell walls, leading to increased penetration of the solvent and greater extraction efficiency. Universidade Tecnológica Federal do Paraná (UTFPR) Instituto Federal do Paraná 2016-09-19 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf http://periodicos.utfpr.edu.br/rebrapa/article/view/3724 10.3895/rebrapa.v7n3.3724 Brazilian Journal of Food Research; v. 7, n. 3 (2016); 29 - 40 Brazilian Journal of Food Research; v. 7, n. 3 (2016); 29 - 40 2448-3184 10.3895/rebrapa.v7n3 por http://periodicos.utfpr.edu.br/rebrapa/article/view/3724/pdf Direitos autorais 2016 CC-BY http://creativecommons.org/licenses/by/4.0 |
| institution |
Universidade Tecnológica Federal do Paraná |
| collection |
PERI |
| language |
Português |
| format |
Artigo |
| author |
Oliveira, Rosilene dos Santos Rocha, Juliana da Silva Pinheiro, Keren Hapuque Pereira, Matheus Mendonça Barão, Carlos Eduardo |
| spellingShingle |
Oliveira, Rosilene dos Santos Rocha, Juliana da Silva Pinheiro, Keren Hapuque Pereira, Matheus Mendonça Barão, Carlos Eduardo Application of an ultrasound process to extract catechins from green tea wastes |
| author_sort |
Oliveira, Rosilene dos Santos |
| title |
Application of an ultrasound process to extract catechins from green tea wastes |
| title_short |
Application of an ultrasound process to extract catechins from green tea wastes |
| title_full |
Application of an ultrasound process to extract catechins from green tea wastes |
| title_fullStr |
Application of an ultrasound process to extract catechins from green tea wastes |
| title_full_unstemmed |
Application of an ultrasound process to extract catechins from green tea wastes |
| title_sort |
application of an ultrasound process to extract catechins from green tea wastes |
| description |
There is increasing need for industries to develop innovative technologies that in addition to being low cost, are also fast and provide high yields and efficiency, while at the same time avoiding adverse effects in the environment. One technique that conforms to these requirements is the use of ultrasound, which also offers ease of application and can be used in the extraction of compounds from leaves. The aim of the present work was to evaluate the efficiency of ultrasound in extracting catechins from green tea wastes, employing solvents with different polarities: water, acetone, ethanol, methanol, and isopropanol. The best extraction results were achieved using water as the solvent. Comparison was then made of extractions using water in the presence or absence of ultrasonication. The cavitation in the liquid medium, induced by the sound waves, acted to increase the permeability of the cell walls, leading to increased penetration of the solvent and greater extraction efficiency. |
| publisher |
Universidade Tecnológica Federal do Paraná (UTFPR) |
| publishDate |
2016 |
| url |
http://periodicos.utfpr.edu.br/rebrapa/article/view/3724 |
| _version_ |
1805294271112151040 |
| score |
10,814766 |