83 results on '"Henriques, Amelia T."'
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2. Ultrasound-assisted extraction optimization and validation of ultra-performance liquid chromatographic method for the quantification of miquelianin in Cuphea glutinosa leaves
3. Box–Behnken experimental design for extraction optimization of alkaloids from Erythrina verna Vell. trunk barks and LC Method Validation
4. A novel, simplified and stability-indicating high-throughput ultra-fast liquid chromatography method for the determination of rosmarinic acid in nanoemulsions, porcine skin and nasal mucosa
5. Toxicological profile and acetylcholinesterase inhibitory potential of Palicourea deflexa, a source of β-carboline alkaloids
6. The use of chemometrics to study multifunctional indole alkaloids from Psychotria nemorosa (Palicourea comb. nov.). Part I: Extraction and fractionation optimization based on metabolic profiling
7. The use of chemometrics to study multifunctional indole alkaloids from Psychotria nemorosa (Palicourea comb. nov.). Part II: Indication of peaks related to the inhibition of butyrylcholinesterase and monoamine oxidase-A
8. Antioxidant capacity and bioactive compounds of four Brazilian native fruits
9. Identification of phenolic compounds in Equisetum giganteum by LC–ESI-MS/MS and a new approach to total flavonoid quantification
10. Indole alkaloids of Psychotria as multifunctional cholinesterases and monoamine oxidases inhibitors
11. Anti-Trichomonas vaginalis activity of marine-associated fungi from the South Brazilian Coast
12. The Brazilian Amaryllidaceae as a source of acetylcholinesterase inhibitory alkaloids
13. Biological activities of ACL-I and physicochemical properties of ACL-II, lectins isolated from the marine sponge Axinella corrugata
14. Efficient oleoresin biomass production in pines using low cost metal containing stimulant paste
15. Acaricidal properties of the essential oil from Hesperozygis ringens (Lamiaceae) on the cattle tick Riphicephalus ( Boophilus) microplus
16. Organ-specific and environmental control of accumulation of psychollatine, a major indole alkaloid glucoside from Psychotria umbellata
17. Optimization and validation of an alternative method to evaluate total reactive antioxidant potential
18. Iridoid glucosides substitution patterns in Verbenaceae and their taxonomic implication
19. ACL-I, a lectin from the marine sponge Axinella corrugata: Isolation, characterization and chemotactic activity
20. Comparative analysis of volatiles from Drimys brasiliensis Miers and D. angustifolia Miers (Winteraceae) from Southern Brazil
21. Intraspecific volatile oil variation in Myrceugenia cucullata (Myrtaceae)
22. Synergistic Effect of Three Benzopyrans Isolated from Hypericum polyanthemum in U-373 MG Glioblastoma Cell Line
23. Taxonomic significance of alkaloids and iridoid glucosides in the tribe Psychotrieae (Rubiaceae)
24. N,β- d-Glucopyranosyl vincosamide, a light regulated indole alkaloid from the shoots of Psychotria leiocarpa
25. Anticancer, antichemotactic and antimicrobial activities of marine sponges collected off the coast of Santa Catarina, southern Brazil
26. Arvoredol—An unusual chlorinated and biofilm inhibiting polyketide from a marine Penicillium sp. of the Brazilian coast
27. Computer-aided method for identification of components in essential oils by 13C NMR spectroscopy
28. Alkaloids of Erythroxylum (Erythroxylaceae) species from Southern Brazil
29. The distribution of iridoids in Bignoniaceae
30. Composition of Essential Oil fromPiper jacquemontianumfrom Eight Provenances of Guatemala
31. UPLC-MS for Identification of Quercetin Derivatives in Cuphea glutinosa Cham. & Schltdl (Lythraceae) and Evaluation of Antifungal Potential
32. Chemotaxonomic features of iridoids occurring in Verbenoxylum reitzii (Verbenaceae)
33. Three new monoterpene indole alkaloids from Psychotria umbellata Thonn.
34. Dipeptide cis-cyclo(Leucyl-Tyrosyl) produced by sponge associated Penicillium sp. F37 inhibits biofilm formation of the pathogenic Staphylococcus epidermidis
35. Pyrrolidinoindoline alkaloids from Margaritopsis cymuligera (Muell. Arg.) C.M. Taylor (Rubiaceae)
36. The Brazilian Amaryllidaceae as a source of acetylcholinesterase inhibitory alkaloids
37. ChemInform Abstract: Three New Monoterpene Indole Alkaloids from Psychotria umbellata Thonn.
38. UPLC-MS for Identification of Quercetin Derivatives in Cuphea glutinosaCham. & Schltdl (Lythraceae) and Evaluation of Antifungal Potential
39. Halisphingosines A and B, Modified Sphingoid Bases from Haliclona tubifera. Assignment of Configuration by Circular Dichroism and van’t Hoff’s Principle of Optical Superposition
40. Chemical composition of essential oils of Piper jacquemontianum and Piper variabile from Guatemala and bioactivity of the dichloromethane and methanol extracts
41. ChemInform Abstract: 2′-Apiosylgardoside, an Iridoid Glucoside from Verbenoxylum reitzii.
42. Preliminary Studies on the Antinociceptive Activity of Vaccinium ashei Berry in Experimental Animal Models
43. The Alkaloid Brachycerine is Induced by Ultraviolet Radiation and is a Singlet Oxygen Quencher¶
44. Essential Oils fromEugeniaSpecies—Part VII: Sections Phyllocalyx and Stenocalyx
45. The Alkaloid Brachycerine is Induced by Ultraviolet Radiation and is a Singlet Oxygen Quencher¶
46. Chemical Composition of the Essential Oil ofNeomitranthes cordifolia(D. Legr.) D. Legr.
47. Essential Oil ofMyrrhinium atropurpureumSchott (Myrtaceae) Leaves
48. Indole alkaloids from Rauwolfia sellowii
49. Genotoxicity of the boldine aporphine alkaloid in prokaryotic and eukaryotic organisms
50. Analysis, comparison and variation on the chemical composition from the leaf volatile oil of Xylopia aromatica (Annonaceae)
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