Evaluation of the Antioxidant Capacity of Deep-frozen Green Coffee and Roasted Coffee

Autor: Mónica Monserrat Aguayo-Muñoz, Andrea Yazmín Guadarrama-Lezama, César Pérez-Alonso, Julian Cruz-Olivares

Publikováno v: Ciencia y Tecnología Agropecuaria, Vol 25, Iss 2 (2024)

There is little information on the antioxidant composition of green or roasted coffee. This work evaluated the antioxidant capacity (AC) and the content of total phenolic compounds (TPC) in the ethanolic extracts of deep-frozen green coffee (DFGC), g

Externí odkaz: https://doaj.org/article/42b22a203d6547859903e998ae096e7c

Modeling and scaling up of the Cr(VI) adsorption process by using mexicalcite natural mineral in a packed bed column

Autor: Julian Cruz-Olivares, César Pérez-Alonso, Gonzalo Martínez-Barrera, Gabriela Roa-Morales, Gustavo López-Téllez, Eduardo Martín del Campo-López

Publikováno v: Results in Engineering, Vol 16, Iss , Pp 100687- (2022)

The natural mineral known as Mexicalcite is native to the southern region of Mexico, and due to its abundance and accessibility characteristics, as well as its insolubility in water, it is recommended as an adsorbent material. For such reasons, in th

Externí odkaz: https://doaj.org/article/623d35f415294cc5990dd7043d31a2ce

Supercritical Extraction Process of Allspice Essential Oil

Autor: Yasvet Y. Andrade-Avila, Julian Cruz-Olivares, César Pérez-Alonso, Ciro Humberto Ortiz-Estrada, María del Carmen Chaparro-Mercado

Publikováno v: Journal of Chemistry, Vol 2017 (2017)

Allspice essential oil was extracted with supercritical carbon dioxide (SC-CO2) in a static process at three different temperatures (308.15, 313.15, and 318.15 K) and four levels of pressure (100, 200, 300, and 360 bar). The amount of oil extracted w

Externí odkaz: https://doaj.org/article/0da46da684d94dddbb24633eb06a314c

SUPERCRITICAL EXTRACTION OF LYOPHILIZED STRAWBERRY ANTHOCYANINS WITH PULSED ELECTRIC FIELDS PRETREATMENT

Autor: Marco Ávila-Hernández, César Pérez-Alonso, Juan Orozco-Villafuerte, Carlos Barrera-Díaz, Erik Alpizar-Reyes, Julian Cruz-Olivares

Publikováno v: Química Nova, Volume: 45, Issue: 6, Pages: 728-733, Published: 29 AUG 2022
Química Nova v.45 n.6 2022
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

The lyophilized strawberry anthocyanins were extracted using a supercritical extraction (SE) process. The effect of pulsed electric fields (PEF) as pretreatment and the influence of the addition of ethanol as a cosolvent on the percentage of extracti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b6596db4ea90cdebc25024c18f24a9b
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422022000600728&lng=en&tlng=en

Comparative application of an irradiated and non-irradiated calcite-type material to improve the removal of Pb in batch and continuous processes

Autor: Carlos Barrera-Díaz, Gonzalo Martínez-Barrera, César Pérez-Alonso, Gabriela Roa-Morales, Julian Cruz-Olivares

Publikováno v: Journal of Environmental Chemical Engineering. 6:6297-6307

The study compared the lead adsorption capacity of an irradiated and non-irradiated calcite-type material carried out in simulated wastewater. The adsorption capacity in the batch process was evaluated at different temperatures and initial concentrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4502d0a058925d5386973c002f23d5de
https://doi.org/10.1016/j.jece.2018.09.051