Results 71 to 80 of about 736,450 (179)

Transcriptome Sequencing and Chemical Analysis Reveal the Formation Mechanism of White Florets in Carthamus tinctorius L.

open access: yesPlants, 2020
Carthamus tinctorius L. (safflower), an economic crop and herb, has been extensively studied for its diverse chemical constituents and pharmacological effects, but the mechanism of safflower pigments (SP) leading to different colors of florets has not ...
Tingyan Qiang   +7 more
doaj   +1 more source

Formation and Characterization of Insoluble Anthocyanins‐λ‐carrageenan Biopolyelectrolyte Complexes: Structural Morphology, Thermal Stability, and Release Dynamics

open access: yesChemFoodChem, Volume 2, Issue 2, June 2026.
Insoluble biopolyelectrolyte complexes formed between blackberry anthocyanins and λ‐carrageenan are investigated. Optimal complexation occurs at low carrageenan ratios and acidic pH, producing porous hydrogel‐like structures with enhanced thermal stability.
Tomás Garrido   +5 more
wiley   +1 more source

Green light LED activated ligation of a scalable, versatile chalcone chromophore

open access: yes, 2021
Herein we introduce a photoreactive chalcone moiety that can be synthesized at a scale of several grams with ease, and efficiently undergoes a [2 + 2] photocycloaddition with light up to just below 500 nm as determined by an action plot.
De Bruycker, Kevin   +5 more
core   +1 more source

Mechanistic Insights Into Color and Texture Stability of Frozen Tropical Vegetables: Processing, Modeling, and Preservation Strategies

open access: yesFood Science &Nutrition, Volume 14, Issue 6, June 2026.
This review elucidates the mechanistic pathways governing color and texture degradation in frozen tropical vegetables, emphasizing pigment oxidation, enzymatic softening, and ice crystal‐induced structural damage. It integrates kinetic, Arrhenius, RSM, and machine‐learning models with advanced preservation strategies to optimize freezing processes ...
Muhammad Muntasir Mahmud   +4 more
wiley   +1 more source

Acarbose versus trans-chalcone: comparing the effect of two glycosidase inhibitors on obese mice

open access: yes, 2015
Objective Acarbose and trans-chalcone are glucosidase inhibitors whose beneficial effects have been demonstrated in diabetes. The present study aimed at investigating their potential effects in obesity.Materials and methods NMRI male mice (n = 48) were ...
Parichehreh Yaghmaei (6045917)   +4 more
core   +1 more source

Crystal structure and Hirshfeld surface analysis of a chalcone derivative: (E)-3-(4-fluorophenyl)-1-(4-nitrophenyl)prop-2-en-1-one

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2019
The molecular structure of the title chalcone derivative, C15H10FNO3, is nearly planar and the molecule adopts a trans configuration with respect to the C=C double bond.
Qin Ai Wong   +5 more
doaj   +1 more source

Analysis of Quality Differences in Rhizoma Musae From Different Origins Based on Rhizosphere Soil Bacterial Diversity and Metabolomics

open access: yesFood Science &Nutrition, Volume 14, Issue 6, June 2026.
This study integrated bacterial diversity and metabolomics to explore correlations among soil factors, rhizosphere microorganisms, and quality of Rhizoma Musae from different origins. Significant differences in active components and 571 differential metabolites were detected, enriched in key secondary metabolism pathways.
Jian Zhang   +12 more
wiley   +1 more source

Gallic Acid‐Responsive microRNAs Reprogram Lignification During Drought Acclimation Process in Spearmint

open access: yesPlant Biotechnology Journal, Volume 24, Issue 6, Page 4263-4281, June 2026.
ABSTRACT Mentha spicata L. (spearmint) is a high‐value aromatic and medicinal species, whose productivity is strongly affected by water deficit. Nevertheless, the molecular mechanisms underlying drought acclimation in this mint remain largely unexplored. Thus, here, we investigated the microRNA‐mediated regulatory processes triggered in M.
Alessia D'Agostino   +7 more
wiley   +1 more source

Secondary metabolite profiling and genetic expression of Andrographis paniculata (Kalmegh) [PDF]

open access: yesBIO Web of Conferences
Andrographis paniculata (Kalmegh) has long been used across Asia, America, and Africa to treat diseases such as diabetes, high blood pressure, ulcers, leprosy, and malaria.
Singh Titiksha   +10 more
doaj   +1 more source

Highly Lewis Acidic In Situ‐Generated Boronic Acid Ester: A Practical Catalyst for Hosomi–Sakurai Conjugate Addition, Carbonyl‐Ene Reaction, and Silane‐Mediated Amide Reduction

open access: yesAdvanced Synthesis &Catalysis, Volume 368, Issue 9, 5 May 2026.
An exceptionally Lewis acidic boronic acid ester, generated in situ from pentafluorophenylboronic acid and tetrabromonaphthalenediol, catalyzes three important chemical transformations at 1–10 mol% loading: the Hosomi–Sakurai allylation of α,β‐unsaturated ketones, intermolecular carbonyl‐ene reactions, and the reductions of tertiary amides to amines ...
Ava Bousselat   +5 more
wiley   +1 more source

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