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Egg yolk --- Fractionation --- lipoproteins --- Surfactants --- Aging --- Processing quality

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Broiler chickens --- Salmonella --- antibodies --- Egg yolk --- processing --- Disease control --- Feed conversion efficiency

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Heart --- Heart Defects, Congenital --- Coronary Circulation --- Regional Blood Flow --- Chick Embryo --- Yolk Sac --- embryology --- etiology --- blood supply

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Natural products have been a source of inspiration for chemists and chemical biologists for many years, and have a special relevance in the chemical space. In recent years, several novel synthetic strategies have appeared, such as diversity-oriented synthesis (DOS), biological-oriented synthesis (BiOS), and function-oriented synthesis (FOS), for accessing complex and functionally diverse molecules. In this manner, the synthesis of natural products has evolved towards simpler and ecological methods using biotransformation, combinatorial chemistry, or organocatalysts. In this issue, Prof. Chojnacka shows demonstrates the use of immobilized lipases as catalysts to aid in the synthesis of phosphatidylcholine enriched with myristic acid. Profs. Vila and Pedro used catalysts derived from (S)-mandelic acid to achieve the catalytic enantioselective addition of dimethylzinc to isatins. Prof. Diez shows the possibility of the obtention of 7,8-carvone epoxides in a diastereoselective manner using proline, quinidine, and diphenylprolinol as organocatalysts. A cheap, simple, clean, and scalable method involves the use of deep eutectic mixtures as reaction media, and Profs. Alonso and Guillena describe the use of this methodology for the enantioselective, organocatalyzed ?-amination of 1,3-dicarbonyl compounds. Biotransformations have been one of the methodologies for more efficient synthesis of natural products. Prof. Wu transforms ergostane triterpenoid antcin K using Psychrobacillus sp. Ak 187. Finally, Prof. Kovayashi reviews the total synthesis and biological evaluation of phaeosphaerides. The reader, through this issue, could gain an idea of the new directions that the synthesis of natural products using catalysts will have in the years to come.

n/a --- structured phosphatidylcholine --- carvone --- immobilized lipases --- trimyristin --- 3-hydroxyoxindole --- green chemistry --- structural revision --- anticancer --- triterpenoid --- organocatalysis --- natural products --- epoxidation --- ?-amination --- benzimidazole --- total synthesis --- zinc --- Antrodia cinnamomea --- aminocatalysis --- epoxide --- asymmetric organocatalysis --- mandelamides --- STAT3 --- asymmetric catalysis --- Psychrobacillus --- isatin --- chiral ?-hydroxyamide --- interesterification --- proline --- phaeosphaeride B --- biotransformation --- phaeosphaeride A --- myristic acid --- egg-yolk phosphatidylcholine --- acidolysis --- antcin K --- deep eutectic solvents

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In this Special Issue, we focus on maternal docosahexaenoic acid, 22:6n-3 (DHA), and arachidonic acid, 20:4n-6 (ARA), on children’s neurodevelopment. During the last trimester of gestation and for the first 18 months after birth, both DHA and ARA are preferentially deposited within the cerebral cortex at a rapid rate. The mode of action of these two fatty acids and their derivatives at different structural–functional roles, and their levels in the signaling pathways of the brain have been continuously studied. These fatty acids are also involved in various brain developmental processes; however, their mechanistic cross talks are not yet clearly known. Recent data suggest that there may be a need for a balanced proportion of ARA and DHA in infant formula due to their complementary benefits. This review describes the importance of ARA in addition to DHA to support optimal brain development and growth in an infant, and functional roles in the brain.

Medicine --- maternal supplementation --- pregnancy --- lactation --- docosahexaenoic acid (DHA) --- neurodevelopment --- randomized controlled trial (RCT) --- India --- DHA --- brain --- MFSD2a --- SPM --- fetus --- placenta --- infant --- neurogenesis --- pre-term --- docosahexaenoic acid --- supplementation --- egg yolk --- microalgae --- long chain omega-3 fatty acids --- pregnancy outcomes --- anthropometry --- birth weight --- birth length --- head circumference --- arachidonic acid,20:4n-6 --- docosahexaenoic acid,22:6n-3 --- maternal diet --- cognitive --- infants