Synthesis of biochar modified with 12-tungstophosphoric acid for the selective conversion of isoeugenol to vanillin

Autor: Ana Alice Farias da Costa, Alex de Nazaré de Oliveira, Rutiléia de Jesus Paiva, Luiza Helena de Oliveira Pires, Eloísa Helena de Aguiar Andrade, Patrícia Teresa Souza da Luz, Renata Coelho Rodrigues Noronha, Geraldo Narciso da Rocha Filho, Carlos Emmerson Ferreira da Costa, Sameh M. Osman, Rafael Luque, Luís Adriano Santos do Nascimento

Publikováno v: Arabian Journal of Chemistry, Vol 16, Iss 12, Pp 105313- (2023)

A heterogeneous acid catalyst was synthesized by anchoring 12–tungstophosphoric acid (HPW) onto biochar derived from Brazil nut shells (Bertholletia excelsa). This catalyst was used for the synthesis of vanillin from isoeugenol, employing hydrogen

Externí odkaz: https://doaj.org/article/7c8b778b9f274d19be44772bbc8435dd

Effects of Harvest Time and Hydrodistillation Time on Yield, Composition, and Antioxidant Activity of Mint Essential Oil

Autor: Samara de Paula Pinheiro Menezes Marques, Rafaela Oliveira Pinheiro, Rafael Alves do Nascimento, Eloísa Helena de Aguiar Andrade, Lênio José Guerreiro de Faria

Publikováno v: Molecules, Vol 28, Iss 22, p 7583 (2023)

In this study, we assessed the effects of different harvest times (9 a.m., 1 p.m., and 5 p.m.) and hydrodistillation times (60, 90, and 120 min) on the yield, chemical composition, and antioxidant activity of the spearmint (Mentha spicata L.) essenti

Externí odkaz: https://doaj.org/article/de6b588a503b4652aeed93213acab3da

Investigation of the Anticorrosive Activity of Piper divaricatum Essential Oil on Steel in 1 M HCl

Autor: Heloise Leal Monteiro, Alcy Favacho Ribeiro, Mewry Joyce Correia Modesto, Eloisa Helena de Aguiar Andrade, José Antonio da Silva Souza, Jordan Del Nero, Arthur de Farias Silva Rente, Rodrigo Della Noce, José Pio Iúdice de Souza, Carlos Alberto Brito da Silva Jr, Marcos Vinícius da Silva Paula, Ana Aurea Barreto Maia

Publikováno v: ACS Omega, Vol 9, Iss 45, Pp 45348-45357 (2024)

Externí odkaz: https://doaj.org/article/654a7ca001534a9e915053bc08b2d77d

Perfil químico de compuestos volátiles y aceite esencial de Lippia alba (Mill) N.E. Brown

Autor: Christian Neri Lameira, Rafaela Sayuri de Lima Ohashi, Lorena Gomes Corumba, Eloísa Helena de Aguiar Andrade

Publikováno v: Research, Society and Development; Vol. 11 No. 16; e406111638317
Research, Society and Development; Vol. 11 Núm. 16; e406111638317
Research, Society and Development; v. 11 n. 16; e406111638317
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI

Lippia alba (Mill) N E Brown, populary know as lemongrass, is a native species of wide competition in Brazil, its leaves are used in folk medicine as a calming, analgesic and spasmolytic. The literature reports at least three chemotypes of the specie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::493e057afc07ea9aa43fb64e3890c107
https://doi.org/10.33448/rsd-v11i16.38317

Exploring the Potential of Myrcia Genus Essential Oils: A Review of Biological Activities and Recent Advances

Autor: Eliza de Jesus Barros dos Santos, Fernanda Wariss Figueiredo Bezerra, Luiz Renan Ramos da Silva, Marcilene Paiva da Silva, Oberdan Oliveira Ferreira, Luiza Helena da Silva Martins, Antônio Maia de Jesus Chaves-Neto, Anderson de Santana Botelho, Ravendra Kumar, Pooja Bargali, Karyme do Socorro de Souza Vilhena, Eloisa Helena de Aguiar Andrade, Mozaniel Santana de Oliveira

Publikováno v: Molecules, Vol 29, Iss 12, p 2720 (2024)

The present study provides a comprehensive analysis of the chemical composition of essential oils from species of the Myrcia genus and their applications. The compiled results highlight the chemical diversity and biological activities of these oils,

Externí odkaz: https://doaj.org/article/87fec4fa42bf4163bcf4c244e3003238