Phénylpropanoïdes

<p>Coniferyl alcohol is a monolignol compound, which is a significant precursor in the biosynthesis of lignin, a major structural component of plant cell walls. It is primarily sourced from the metabolic pathways of various vascular plants, where it plays a crucial role in lignin polymerization. The mode of action involves its enzymatic conversion into lignin through oxidative coupling reactions catalyzed by peroxidases and laccases. This process contributes to the rigidity and impermeability of the plant cell walls, enhancing the plant's structural integrity and resistance to pathogens.</p>

<p>Podophyllotoxin is a potent antimitotic agent, which is derived from the roots and rhizomes of plants belonging to the genus Podophyllum, such as Podophyllum peltatum and Podophyllum emodi. Its mode of action involves the inhibition of microtubule assembly, leading to the disruption of mitotic spindle formation during cell division. This results in the arrest of cell proliferation, making it particularly effective against rapidly dividing cells.</p>

<p>Demethoxycurcumin is a natural bioactive compound, which is a type of curcuminoid. It is derived from the rhizomes of the plant Curcuma longa, commonly known as turmeric, a member of the ginger family. Demethoxycurcumin is one of the primary components contributing to the characteristic yellow color of turmeric.</p>

<p>Sinapinic acid is a small, organic phenolic compound, which is derived primarily from plant sources, notably from the seeds of plants in the Brassicaceae family. It functions as a matrix in matrix-assisted laser desorption/ionization (MALDI) mass spectrometry, where it facilitates the ionization and desorption of analytes. This process involves the transfer of energy from the laser to the sample via the matrix, resulting in the ionization of the analyte molecules for subsequent mass spectrometric analysis.</p>

<p>Anti-cancer agent; anti-oxidant; anti-inflammatory; antimicrobial</p>

<p>Malabaricone C is a bioactive compound which is extracted from the roots of trees belonging to the genus Myristica. These trees are well-known for producing a diverse array of secondary metabolites with unique biological activities. Derived primarily through careful extraction processes from these natural sources, Malabaricone C has been characterized by its distinct ability to modulate inflammatory pathways and exhibit antimicrobial properties. The compound is known to interfere with specific biochemical targets, potentially inhibiting the expression of pro-inflammatory cytokines and disrupting microbial cell mechanisms.</p>

<p>Neochlorogenic acid is a phenolic compound, specifically a type of polyphenol, commonly found in various plants, including fruits, vegetables, and coffee beans. It is derived from natural sources through the metabolism of chlorogenic acid pathways in plants. As a powerful antioxidant, neochlorogenic acid works by scavenging free radicals and reducing oxidative stress in biological systems.</p>

<p>(+)-Dehydrodiconiferyl alcohol is a lignan, which is a type of phenolic compound naturally occurring in a variety of plant species, including those in the families Magnoliaceae, Lauraceae, and others. As a secondary metabolite derived from the oxidative coupling of coniferyl alcohol, it plays roles in plant defense and structural integrity.</p>

<p>3,5-Dicaffeoylquinic acid is a polyphenolic compound, which is naturally found in various plant species, particularly in coffee and certain herbal plants. This compound serves as a secondary metabolite within these plants, contributing to their defense mechanisms against pathogens and environmental stress. The compound exhibits its mode of action primarily through its powerful antioxidant activity. By scavenging free radicals and inhibiting oxidative stress pathways, it helps in protecting cellular components from oxidative damage.</p>

<p>3,5-Dimethoxy-4-hydroxyhydrocinnamyl alcohol is a phenolic compound, which is a derivative of cinnamyl alcohol and known for its antioxidant properties. It is typically isolated from plant sources, especially those with rich secondary metabolite profiles such as certain herbs and spices. The compound functions by donating hydrogen atoms to free radicals, thereby neutralizing them and preventing oxidative stress on cells.</p>

<p>Sesamin is a lignan compound, which is a type of phytoestrogen, derived from sesame seeds (Sesamum indicum). It is a naturally occurring substance with potent biological efficacy. Sesamin functions primarily through its antioxidant and anti-inflammatory mechanisms. It scavenges free radicals, thereby protecting cellular components from oxidative stress. Additionally, sesamin interacts with various metabolic pathways, modulating lipid metabolism and enhancing the body's anti-inflammatory response.</p>

<p>Chlorogenic acid is a derivative of caffeic acid and quinic acid; it has an antioxidant activity. Chlorogenic acid has been combined with gadolinium to develop a therapeutic and diagnostic nanodelivery system for MRI imaging. In a rat model of diabetes mellitus, chlorogenic acid counteracted the alterations in lipid profiles typical of type-2 diabetes, especially when administered in combination with tetrahydrocurcumin. In mice fed with a high-fat diet, the consumption of chlorogenic acid resulted in an anti-obesity action that lowered the blood levels of cholesterol and triglycerides. In humans, it is readily absorbed in the intestinal tract.</p>

<p>Neohesperidin dihydrochalcone hydrate is a high-intensity sweetener, which is derived from the bitter flavonoids found in citrus fruits, particularly from the peel and pulp of oranges and grapefruits. It is produced through a chemical hydrogenation process that transforms neohesperidin into a non-caloric sweetener. This unique compound acts as a potent flavor enhancer by intensifying sweetness and masking undesirable flavors, such as bitterness.</p>

<p>E/E-Desmethoxycurcumin is a polyphenolic compound, which is a derivative of curcumin. It is sourced from the rhizome of the Curcuma longa plant, commonly known as turmeric. As a demethoxylated analog of curcumin, its structure contains one less methoxy group, allowing it to interact with biological systems in distinctive ways. The mode of action of E/E-Desmethoxycurcumin involves modulation of various cellular signaling pathways, including the inhibition of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB) and downregulation of pro-inflammatory cytokines. This makes it a subject of interest for its potential anti-inflammatory and antioxidant properties.</p>

<p>3,4-Dicaffeoylquinic acid is a naturally occurring polyphenolic compound, which is predominantly found in various plants and herbal sources such as artichokes, echinacea, and certain species of coffee. Its structure consists of quinic acid esterified with two caffeic acid moieties, making it a member of the chlorogenic acid family. This compound is well-recognized for its potent antioxidant properties, exerting its effects by scavenging free radicals and reducing oxidative stress within biological systems.</p>

<p>Rottlerin is a polyphenolic compound, which is a natural product derived from the plant species Mallotus philippensis. It is primarily isolated from the fruits or glands of this plant. Rottlerin operates as a selective inhibitor, notably targeting specific protein kinases such as PKC-delta (Protein Kinase C delta). It also affects various other cellular processes and pathways, offering a diverse range of biological effects.</p>

<p>Sinapaldehyde is a phenolic aldehyde, which is a secondary metabolite derived from lignin biosynthesis in plants. It is primarily sourced from lignin, a complex polymer found in the cell walls of various plants, often extracted through biochemical refinement processes from lignocellulosic biomass. The mode of action of Sinapaldehyde involves its function as an antioxidant, where it participates in redox reactions that mitigate oxidative stress by scavenging free radicals. Its structural characteristics enable it to interact with various biological molecules, contributing to its effectiveness in these reactions.</p>

<p>Cryptochlorogenic acid is an isomer of chlorogenic acid and is found in plants. Cryptochlorogenic acid is the major component of the extract of mulberry leaves that is traditionally used to treat diabetes mellitus. In a diabetic model in rats, cryptochlorogenic acid alleviated symptoms, such as, blood glucose levels, accumulation of lipid peroxides, and iron content alterations. In vitro studies with RAW 264.7 macrophages, cryptochlorogenic acid showed antioxidant and anti-inflammatory activity by increasing both the cellular content of reduced glutathione, and the expression of superoxide dismutase activity, while inhibiting the nuclear translocation of the nuclear factor erythroid 2–related factor 2 (Nrf2).</p>

<p>1,3-Dicaffeoylquinic acid is a bioactive compound, which is a type of caffeoylquinic acid. This compound is commonly found in various plant sources, including coffee, artichokes, and certain herbal extracts. It is part of a larger family of polyphenolic compounds that are notable for their diverse biological activities.</p>

<p>Echinacoside is a caffeic acid derivative naturally found in plants, such as, Echinacea angustifolia DC. Echinacoside belongs to the class of phenylethanoid glycosides. In vitro studies have revealed the mode of action of echinacoside in breast cancer cells; echinacoside suppresses the Wnt/β-catenin signalling pathway exerting anticancer activity (Tang et al, 2020). Echinacoside has been reported as beneficial for human health in terms of neuroprotection, cardioprotectiony, anti-inflammatory, antioxidant and anti-osteoporotic activity (Liu, 2018).</p>