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Total flavonoid content
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This study aimed to extract and evaluate some properties and the capability of phenolic components from shallot (Allium ascalonicum L.) peels for usage as fish preservative. It was found that shallot peels extracted twice with 70 % ethanol solvent, within 60 minutes, at 60 oC and the ratio of solid/liquid 1/20 (g/mL) gave highest polyphenol and flavonoid yields. Total polyphenol content and total flavonoid content of the extract were 224.34±5.66 mg GAE/g DW and 255.11±4.35 mg QE/g DW, respectively.
9p
dianmotminh02
03-05-2024
4
1
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The objective of the present study was to elucidate the effect of adjuvant in the spray-drying of mushroom extract and to find the processing parameters of spray-drying to create powdered mushroom extract with the highest total phenolic content, the total flavonoid content as well as the best moisture content by applying Response Surface Methodology.
6p
vimarillynhewson
02-01-2024
4
1
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Tamarind (Tamarindus indica) has long been known for its high nutrition content and pharmacological potential. However, there is lack of studies on the content of antioxidants, phenolic and flavonoid contents of tamarind seed grown in Vietnam.
13p
vimulcahy
18-09-2023
7
3
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We have carried out studying for antioxidant activity of 58 extracts prepared from vegetables and fruits in Viet Nam by three methods including DPPH and H2O2 scavenging activity assays and determination of total flavonoid content (TFC). Ethanol extract of Tamarind seed (NTBT-17), Grape seed (NTBT-19) and Mangosteen peel (TNB-10) showed high amount of TFC which is 848.8, 655.9 and 422.9 mgQE/100g, respectively.
8p
vidoctorstrange
06-05-2023
6
3
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This study proposes the winemaking of ivy gourd and investigates the influence of microwave, thermovinification, and enzymatic pretreatments on the total flavonoid content (TFC), total phenolic content (TPC), and antioxidant capacity of the wines. The results showed that the pretreatments had no negative effects on the chemical composition of the products.
6p
vicedric
08-02-2023
9
2
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In this study, a total of 22 seed propagated EC genotypes that naturally grown in the Akkışla district of Kayseri province located in the middle part of Turkey were assessed in terms of their morphological (fruit dimensions, fruit weight, the number of fruit per cluster, and cluster weight) and biochemical (soluble solids content, pH, and organic acids), bioactive (total phenolic content, total flavonoid content, and antioxidant activity) content in order to determine the superior ones.
10p
lyhuyenthu
31-01-2023
6
2
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Fractions yielded from Phellinus gilvus fruiting bodies by liquid-liquid partition of methanol extract contained various bioactive compounds such as phenolics, flavonoids and terpenes. Butanol, water and ethyl acetate fractions had large amount of phenolics, 158.12 - 247.31 mg of gallic acid equivalents (GAE)/g and low amount of flavonoids, 21.74 - 36.05 mg of quercetin equivalents (QE)/g.
9p
vimelindagates
18-07-2022
5
2
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This study was carried out to produce new herbal beverages from Foeniculum vulgare and Cymbopogon proximus using for inhibiting or preventing calcium oxalate crystals formation. The preliminary chemical composition and phytochemical tests ofF. vulgare andC. proximushave been examined. Also, total polyphenols and total flavonoids contents were determined.
9p
schindler
30-12-2021
11
0
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This study included leaves and bulbs in each varieties of spring onion. Results showed high contents of total phenols and flavonoids in leaves compared with bulbs either of Giza 6 or Photon types, therefore Giza 6 had high content of total phenols and flavonoids thanPhoton variety, in parallel the results were obtained of total chlorophyll and total carotenoids contents.
7p
schindler
30-12-2021
6
0
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The purpose of this research is to assess the flavonoid content and antioxidant ability of various cardamom fruit extracts (ethanol and ethyl acetate), particularly those of 4 indigenous Indonesian accessions, and to evaluate the correlation between the antioxidant activity performed by CUPRAC and DPPH assays and the flavonoid contents. The results will provide valuable information for future studies and use cardamom for commercial purposes in a plant breeding program.
5p
schindler
30-12-2021
14
0
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The quantitative assays of total polyphenols revealed a richness of the different pomegranate extract in polyphenols, peel and seed ethanol extracts contain the highest values (880.06 ± 11.2 mg GAE/100 g and 1160.1 ± 45.20 mg GAE/100 g, respectively). Flavonoid contents were high in both of acetone, ethanol extracts of peel, followed by ethanol, and acetone extracts of juice.
7p
mudbound
10-12-2021
13
1
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In this study, the effects of 1-methylcyclopropene (1-MCP) treatment on the antioxidant enzymes and fruit quality parameters of baby squash (Cucurbita pepo L., cv. Soleil F1 and İskender F1 ) during cold storage was investigated. After being freshly harvested, the İskender F1 (green-skinned) and Soleil F1 (yellow-skinned) baby squash were treated with 250 and 500 ppb concentrations of 1-MCP and stored at 10 °C for 14 days.
13p
hanthienngao
30-11-2021
6
1
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In this study, the total phenolic content (TPC), total flavonoid content (TFC), in vitro antioxidant capacity and individual phenolic compounds of Juniperus drupacea Labill berry and pekmez (molasses) were determined. Since pekmez was the only edible form of berry, the bioaccessibility of phenolic compounds and the antioxidant capacity of the pekmez were assessed following exposure to simulated gastrointestinal conditions.
11p
hanthienngao
30-11-2021
9
0
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The aim of this study was to determine the effect of different drying methods on the nutritional content and antioxidant activity of purslane. Two different purslane samples have been dried using four different methods (sun, vacuum, hot air, and freeze drying). Dried and fresh samples were analyzed for their dry matter, β-carotene content, chlorophyll a and chlorophyll b contents, total flavonoid content, total flavonol content, total phenolic content, %DPPH radical scavenge activity, metal chelating activity, and color.
10p
hanthienngao
30-11-2021
10
2
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Water availability is a very important factor for the growth and development of plants, which limits the plant production capacity. Rootstocks are widely utilized to improve plants tolerance to various biotic and abiotic stresses. In this study, physiological and biochemical responses of fifteen almond rootstock candidates to drought stress were investigated under in vitro conditions. The shoot tips from fifteen almond rootstock candidates were cultured in MS medium containing 1.0 mg/L BAP, 0.01 mg/L IBA, 30 g/L sucrose and 7 g/L agar.
11p
hanthienngao
30-11-2021
14
1
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This study was conducted to determine the effects of different drying methods and cold storage treatments on the postharvest quality and nutritional properties of P. ostreatus mushroom. In the study, six different treatments including natural drying, oven drying (60°C), microwave drying (450 W), storage at -18°C, 4°C and 10°C were evaluated. After drying and cold storage, pH value, ash, protein, color, total phenolic content, total flavonoid content, antioxidant activity and element contents in mushroom samples were detected.
15p
hanthienngao
30-11-2021
45
1
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The interest has been increasing on the phenolic compounds in plants because of their nutritive function as food and the roles regulating plant growth. However, their underlying genetic mechanism in barley is still not clear.
10p
vibeauty
23-10-2021
16
1
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The fresh leaves of Hibiscusrosa-sinensis were collected from Ho Chi Minh National University campus in Ho Chi Minh city, Vietnam in October 2016. Fresh leaves with uniform structure were chosen and washed with distilled water. After that, samples were air dried till constant weight and then ground to powder. The samples were stored in air tight bags for further periodical uses.
6p
nguyenmyhuyen90
04-03-2021
11
1
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This study aims to evaluate the antioxidant potential of Curculigo orchioides by using the total antioxidant capacity and DPPH radical scavenging methods. The content of compounds from Curculigo orchioides, including the total phenolics, total flavonoids, polysaccharides, and triterpenoid saponins was examined by using the colorimetric method.
7p
nguaconbaynhay9
03-12-2020
16
1
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The present study was aimed to evaluate the bioactive phytochemical constituents of Adina cordifolia leaves, with this broad objectives the total phenolic contents (TPC), total flavonoid contents (TFC), total antioxidant potential and GC-MS analysis of leaf extracts were carried out. For the identification of medicinally important compounds in Adina cordifolia leaf, extracts were prepared using cold extraction method in different solvents of varying polarities viz., chloroform, ethyl acetate, acetone and methanol.
13p
gaocaolon5
14-06-2020
7
1
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