UPLC-PDA-ESI-MS based chemometric analysis for solvent polarity effect evaluation on phytochemical compounds and antioxidant activity in habanero pepper (Capsicum chinense Jacq) fruit extract.

The effect of solvents with different polarities on the recovery of phytochemicals (carotenoids, capsaicinoids, and phenolic compounds) from habanero pepper (Capsicum chinense) and their association with antioxidant activity (ABTS and DPPH) was evaluated through Ultra-Performance-Liquid Chromatography coupled with a Photodiode Array Detector and a Electrospray Ionization Mass Spectrometry (UPLC-PDA-ESI-MS)-based chemometric analysis, including linear correlation, multiple linear regression, and principal component analysis (PCA). The solvent polarity scale was established according to solvent dielectric constants (ɛ). Color variation (ΔE) was used to determine the presence of carotenoids, with the highest ΔE obtained using low-polarity solvents (hexane and ethyl acetate).

Effect of solvent polarity on the Ultrasound Assisted extraction and antioxidant activity of phenolic compounds from habanero pepper leaves (Capsicum chinense) and its identification by UPLC-PDA-ESI-MS/MS.

Phenolic compounds are secondary metabolites involved in plant adaptation processes. The development of extraction procedures, quantification, and identification of this compounds in habanero pepper (Capsicum chinense) leaves can provide information about their accumulation and possible biological function. The main objective of this work was to study the effect of the UAE method and the polarity of different extraction solvents on the recovery of phenolic compounds from C.

Phospholipid signaling pathway in Capsicum chinense suspension cells as a key response to consortium infection.

Background: Mexico is considered the diversification center for chili species, but these crops are susceptible to infection by pathogens such as Colletotrichum spp., which causes anthracnose disease and postharvest decay in general. Studies have been carried out with isolated strains of Colletotrichum in Capsicum plants; however, under growing conditions, microorganisms generally interact with others, resulting in an increase or decrease of their ability to infect the roots of C.

Physicochemical composition, phytochemical analysis and biological activity of ciricote ( A. D.C.) fruit from Yucatán.

The physicochemical properties, proximate composition, minerals, total polyphenols, carotenoids, phenolic compounds, antioxidant, and antibacterial activities of ciricote ( A. DC.) tropical fruit were investigated.

ISSR diversity in germplasm and offspring of selected parentals.

This article contains metadata related to the research article "Behavior of genetic diversity in F1 crosses of selected accessions of " (Sánchez-Velázquez et al., 2018). The data presented in this article belong to a diversity study using ISSR molecular markers of a germplasm collection that includes bred offspring and analysis of similarity between accessions.

Does aluminum generate a bonafide phospholipd signal cascade?

The cascade of phospholipid signals, is one of the main systems of cellular transduction, and is related to other signal transduction mechanisms. These include the interaction between the generation of second messengers and different proteins such as ionic channels, protein kinase proteins, signaling proteins and transcription factors, among others. The result of this interaction could alter cellular metabolism.

Aluminium-induced phospholipid signal transduction pathway in Coffea arabica suspension cells and its amelioration by silicic acid.

Coffee (Coffea arabica L.) is of economic importance worldwide. Its growth in organic-rich acidic soils is influenced by aluminium such that coffee yield may be impaired.

Aluminum inhibits phosphatidic acid formation by blocking the phospholipase C pathway.

Aluminum (Al(3+)) has been recognized as a main toxic factor in crop production in acid lands. Phosphatidic acid (PA) is emerging as an important lipid signaling molecule and has been implicated in various stress-signaling pathways in plants. In this paper, we focus on how PA generation is affected by Al(3+) using Coffea arabica suspension cells.

Polyamines modify the components of phospholipids-based signal transduction pathway in Coffea arabica L. cells.

Recent results, fundamentally obtained from animal tissues, suggest that polyamines (Pas), essential compounds for the growth and development of all life organisms, may interact with a signal transduction cascade. Because Pas are highly positive charged compounds, their binding with phospholipids involved in signal transduction is likely to be the case. In this work, the in vivo effect of Pas on some important components of phospholipid signal transduction pathway was studied, by the first time, in plant tissue.