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Antioxidant compounds
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Seven known compounds, including two neolignans, four lignans, and one flavane were isolated from the methanol extract of Pandanus tonkinenis fruits. Their structures were determined to be ficusal, vladinol F, medioresinol, syringaresinol, lariciresinol, secoisolariciresinol, and luteoliflavan by analysis of MS and NMR data as well as by comparison of their spectral data with those reported in the literature.
7p
dianmotminh02
03-05-2024
3
1
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In order to explore the importance of the Antheroporum genus in pharmaceutical applications, two bioactivities of A. harmandii plant extracts have been evaluated in this study. Antimicrobial and antioxidant activities of A. harmandii extracts will provide evidences for further chemical composition studies to detect new bioactive compounds from this species.
9p
dianmotminh02
03-05-2024
4
1
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Alpinia vietnamica H.Ð. Tran, Luu & Skornick was identified as a new species in 2019, which is widely distributed in Thua Thien Hue, Quang Nam, and Kon Tum provinces, Vietnam. The current study wishes to report phytochemical investigation, and the biological activities (cytotoxic, antioxidative, and α-glucosidase inhibitory) of isolated compounds.
5p
dianmotminh02
03-05-2024
8
1
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The methanol extracts as well as some compounds from this plant exhibited anti-inflammatory, antimicrobial activity, antioxidant, hepatoprotective and anti-cancer effect, and antiosteoporotic. On going to search for bioactive components from the Vietnamese plant, this paper reported the isolation of seven phenolic compounds including one new from the aerial parts of A. ilicifolius. The cytotoxic activity of the isolates against two cancer cell lines (HepG2 and SK-LU1) were also screened and reported herein.
5p
dianmotminh02
03-05-2024
6
1
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Flavonoids are a diverse group of natural compounds extensively studied in various research articles. They are widely distributed in the plant kingdom and exhibit various biological activities, including antioxidant, antiinflammatory, anticancer, antiviral, and antimicrobial effects. The genus Knema Lour., which contains many species in Southeast Asia, has been traditionally used to treat various ailments. The current review aims to provide a comprehensive update on the isolation of flavonoids and other secondary metabolites from the genus Knema Lour. between 1978 and 2022.
15p
dianmotminh02
03-05-2024
5
2
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In Vietnam, a tea-producing country, the tea buds and top three leaves are normally used for tea production while older leaves are pruned and discarded as agricultural waste in the winter. The present study aimed to exploit catechins from pruned tea leaves and use them as natural antioxidants for applications in the food industry.
12p
vioraclene
01-04-2024
4
0
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This study was conducted to determine the solvent and additives to obtain high bioactive compounds from Daklak Vietnam Robusta GCB to evaluate extraction methods, the properties (emulsion formation, particle, stability) and testing the antioxidant, antibiotic and cytotoxicity of the nanoemulsions of Robusta GCB extract.
7p
viellison
28-03-2024
3
1
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Ebook "Studies on periodontal disease (Oxidative stress in applied basic research and clinical practice series)" comprise four parts. Part 1 provides basic sciences from the general to the particular. The findings of cell culture and animal models supply the mechanism between periodontal disease and oxidative stress. In part 2, human clinical studies are mainly addressed. The effects of periodontal therapy on circulating oxidative stress are also discussed. The relationships between periodontal disease and systemic diseases are examined in part 3.
368p
manmanthanhla0201
26-02-2024
7
1
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Ebook "Studies on respiratory disorders (Oxidative stress in applied basic research and clinical practice series)" covers data describing the role of free radicals and antioxidants in respiratory disorders, including the data that deal with clinical and pre-clinical trials. Chapters describe the relationship of oxidative stress to a number of respiratory and pulmonary conditions from a basic science and clinical perspective, including chronic obstructive pulmonary disease, asthma, acute lung injury, pulmonary hypertension, toxicity and fibrosis, cancer and asbestosis.
396p
manmanthanhla0201
26-02-2024
2
1
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Bruguiera parviflora belongs to Bruguiera genus, which possesses several biological activities such as antidiabetic, antiinflammatory, and antioxidant. Phytochemical investigation of the ethyl acetate extract from Bruguiera parviflora leaves was carried out bioassay-guided isolation and obtained three known compounds, namely kochioside A (1), oleanolic acid (2) and quercitrin (3).
8p
vibego
02-02-2024
1
0
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In this study, 54 monoderivatives of 4-mercaptoimidazole (4MC) were screened for their antioxidant activity using computational simulations. The analysis of docking data revealed that 5-Ph-4MC formed strong bonds with the LO and CP450 enzymes, indicating that this compound could inhibit these enzymes.
7p
viplato
02-01-2024
6
2
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In this research, five compounds were isolated from Chrysanthemum indicum L flowers and determined their structures to be Syringin (1), Dihydrosyringin (2), Benzyl-O-β-Dglucopyranoside(3), -Phenylethoxy-O-β-D-glucopyranoside(4), and (Z)-5’-Hydroxyjasmone 5’-O-β-D-Glucopyranoside(5)by analysis 1D - NMR spectra and compared to literatures.
6p
vimarillynhewson
02-01-2024
8
3
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Ebook "Microbes in food and health" gives an overview of the physiology, health, safety and functional aspects of microorganisms present in food and fermented foods. A particular focus is on the health effects of probiotics and non-dairy functional foods. The book deals also with microbes that cause food spoilage and produce toxins, and the efficiency of edible biofilm in the protection of packaged foods.
363p
lamquandat
28-12-2023
5
2
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The present study was undertaken to investigate the use of leaves and fruits extract of sidr as antioxidant and the study effect of crude sidr juice (leaves and fruits) on rat serum constituents.
8p
viisac
23-09-2023
3
1
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Fruit juice serves as a source of energy, vitamins, minerals and dietary fiber. In addition, certain fruit juices contribute bioactive compounds with different functional properties to human. Eggplant is ranked as one of top ten vegetable sin terms of oxygen radical scavenging capacity due to the fruit’s phenolic constituents.
3p
viisac
23-09-2023
4
1
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In recent years, the research and discovery of antioxidants of natural origin, such as those found plants, have increased dramatically. Ellagic acid is a bioactive compound found in many fruits and vegetables, which carries many biological activities, such as antioxidant, anti-inflammatory, anticancer and antibacterial activities.
9p
vimulcahy
18-09-2023
3
3
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This study aimed to quantify the phenolic contents and the antioxidant capacities of leaf extract powders from three Myrtaceae plants, namely Cleistocalyx operculatus (Vietnamese name: Vối), Psidium guajava (Ổi), and Rhodomyrtus tomentosa (Sim), investigate their inhibitive activities on the growth of bacteria isolated from spoiled shrimps, and evaluate their values as preservative agents in the cold storage of Pacific whiteleg shrimps (Penaeus vannamei).
15p
viengels
25-08-2023
7
2
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The flower of Hibiscus sabdariffa Linn (Malvaceae) is an annual herbaceous shrub, that is used in food preparation in sauces, jams, juices, jellies, syrups, flavoring, and has some medicinal uses. Most of the bioactivities of H. sabdariffa L. is antioxidant which has a large amount of phenolic compounds.
5p
viberkshire
09-08-2023
9
3
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Ochracene I is a representative sesquiterpenoid compound available in natural marine fungus. Hydroxyl radical scavenging activity of Ochracene I (OCHR) has been studied in aqueous phase using density functional theory M06-2X functional in conjunction with 6-31+G(d,p) basis set. Four common antioxidant mechanisms have been screened: hydrogen transfer (HT), radical adduct formation (RAF), proton loss (PL) and single electron transfer (SET).
9p
nhanchienthien
25-07-2023
6
3
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This study assesses the antioxidant potential of mushroom Calocybe indica with the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical and 2,2′-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) radical scavenging methods and the total antioxidant capacity.
8p
vispiderman
15-06-2023
5
1
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