On December 31, 2021, Mejia-Giraldo, Juan C.; Winkler, Robert; Puertas-Mejia, Miguel published an article.COA of Formula: C24H27NO2 The title of the article was Novel UV filters from Pentacalia pulchella extracts with photoprotective properties and antioxidant activity. And the article contained the following:
Most of the plant species found in the high mountain ecosystems of the tropics is unique and exceptional, because they have developed complex adaptations to survive in extreme environmental conditions, such as high levels of UVR and low temperatures of these ecol. environments. In an exploratory study carried out on some plants of this ecosystem, we found that one of the most promising species was the Pentacalia pulchella (Kunth) Cuatrec. (Asteraceae) an endemic plant of Colombia, which grows between 2500 and 3500 m.a.s.l. Therefore, the objective of this work was to evaluate the photoprotective, antioxidant, and chem. composition of extracts from the leaves of P. pulchella. Extracts showed good absorption coefficients in UVA-UVB, high content of total phenols, with antioxidant activity comparable to that obtained with butylhydroxytoluene (BHT). Finally, the formulation labeled “7” with 10% extract presented adequate sensory characteristics for topical use, good in vitro photoprotection values in the UVA-UVB range (SPF (Sun Protection Factor): 7.3 ± 0.9, UVAPF (UV A Protection Factor): 5.3 ± 0.6, λc 376), and antioxidant activity. The extract of P. pulchella has a high potential as a source of new natural solar filters. The experimental process involved the reaction of 2-Ethylhexyl 2-cyano-3,3-diphenylacrylate(cas: 6197-30-4).COA of Formula: C24H27NO2
The Article related to pentacalia caffeoylquinic acid hexose methyl linoleate octocrylene chlorophyll antioxidant, natural sunscreens, pentacalia pulchella, photoprotection, uva–uvb radiation, Placeholder for records without volume info and other aspects.COA of Formula: C24H27NO2
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics