Identification of chlorophyll molecules with peroxyl radical scavenger capacity in microalgae Phormidium autumnale using ultrasound-assisted extraction

Can Microalgae Act as Source of Preservatives in Food Chain?

“…Was found the potent scavenger of peroxyl radical, being almost 200 times more potent than α-tocopherol, which suggests the microalgae as potential source of bioactive tetrapyrrole compounds [105].…”

Effect of brewing conditions on pigments and total polyphenols content and biological activities of theAcantholippia deserticola (Phil.)infusion

“…Chlorophylls and pheophytins have been attributed an antiinflammatory (Higashi-Okai, Yamazaki, Namagori, & Okai, 2001;Park et al, 2014) and antioxidant effect. Fernandes et al (2017) report that the A.C. of chlorophyll is 200 times that of α-tocopherol. According to Higashi-Okai et al 2001, pigment A.C. varies in the following order: chlorophyll a > lutein > pheophytin a > chlorophyll b > β-carotene > pheophytin b, while Lanfer-Marquez, Barros, and Sinnecker (2005) find a higher antioxidant activity in pheophytin b than chlorophyll a.…”

Introductory Chapter: Chlorophyll Molecules and Their Technological Relevance

“…The most hydrophilic segment of the macrocycle is the cyclopentanone ring and the propionic ester group (17 positions). The hydrophilic and hydrophobic character directly inluences the choice of solvent for extraction, which, from a quantitative or qualitative point of view, is an extremely important aspect when it focuses on the technological relevance of chlorophyll molecules [15][16][17].…”

“…The bioactive potential of the cells is associated with a complex structure of conjugated connections in pyrrolic rings, allowing an oxidant and antioxidant, acting without free radical sequestration [7]. In addition, it is related to nutraceutical properties, playing an important role in health, through its anti-inlammatory and vascular constrictor, which makes this molecule an important ingredient in food formulations, cosmetics, and drugs [16].…”

“…The properties of chlorophyll-d, like its photosynthetic power associated with the diference in wavelength of absorption in relation to chlorophyll-a, make this a potential component molecule to be employed in a bioreinery. In the last years, it has been argued that there is a strong interest in the development of technologies for the production of natural molecules [16,19,20].…”