« Home « Kết quả tìm kiếm

Phenolic content


Tìm thấy 20+ kết quả cho từ khóa "Phenolic content"

Otential, phenolic content, and structural mechanical properties of pear jam enriched with fibers

tailieu.vn

INVESTIGATION OF THE INFLUENCE OF ULTRAVIOLET LIGHT AND ULTRASOUND ON THE ANTIOXIDANT POTENTIAL, PHENOLIC CONTENT, AND STRUCTURAL-MECHANICAL PROPERTIES OF PEAR JAM ENRICHED WITH FIBERS. Linseisen et al., 2007, Reiland &. Petkova et al., 2020), that are more eco-friendly for the quality of the final product. Koutchma et al., 2016). Ricciardi et al., 2020). Zhang et al., 2011. Alabdali et al., 2020). Ngo et al.,2017). Etzbach et al., 2019)..

Total phenolic contents and antioxidant activities of various solvent extracts from whole wheat and bran

tailieu.vn

Total phenolic contents and antioxidant activities of various solvent extracts from whole wheat. and bran. Total phenolic content DPPH/RSA. Three solvent systems have been used to prepare the anti- oxidant extracts from whole wheat and its bran fraction. Antioxidant activities were tested using DPPH radical scavenging activity and total flavonoid content.

Influence of phenolic group content in lignin expanders on the performance of negative lead–acid battery plates

tailieu.vn

During the second CCA test, U 30 00 depends but slightly on the content of phenolic groups in the expander.. 2b shows the CCA capacity as a function of phenolic content in the lignin. test, the capacity decreases with increase of the phenolic content, whereas during the second test, the capacity depends but slightly on the phenolic group content..

Fractionation of phenolic compounds from sonneratia apetala pneumatophores and their bioactivities

tailieu.vn

Total phenolic content in the 95% ethanol and 50% acetone fractions I-V were measured.. No signals of phenolics were detected in the fractions V of both 95% ethanol and 50%. Similarly, the fraction I of acetone eluent also exhibited highest total phenolic content (189.8 μgGAE/mL) and then decreased in the following fractions (fig. Since the phenolic content was not detected in the fraction V, 250 mL of eluent is sufficient enough to elute maximum phenolic compounds from the column..

Phenolic compounds, essential oil composition, and antioxidant activity of Angelica purpurascens (Avé-Lall.) Gill

tailieu.vn

Significant differences were observed in the total phenolic content and antioxidant activities of the root, stem, seed, and leaf parts of A. The order of the total phenolic content of A.. Good positive correlations were observed between the results of the phenolic content and antioxidant assays (ABTS. DPPH•, and FRAP. In this study, the antioxidant activity of A. Total phenolic content and antioxidant activity of root, stem, seed, and leaf extracts and root essential oil of A..

Association mapping for total polyphenol content, total flavonoid content and antioxidant activity in barley

tailieu.vn

Results: A genome-wide association study (GWAS) was conducted for total phenolic content (TPC), total flavonoid content (FLC) and antioxidant activity (AOA) in 67 cultivated and 156 Tibetan wild barley genotypes. The markers bPb-0572 and bPb-4531 were identified as the major QTLs controlling phenolic compounds in Tibetan wild barley. Conclusions: GWAS is an efficient tool for exploring the genetic architecture of phenolic compounds in the cultivated and Tibetan wild barleys.

Determination of the in vitro bioaccessibility of phenolic compounds and antioxidant capacity of Juniper berry (Juniperus drupacea Labill.) pekmez

tailieu.vn

The content of the dialysis bags was the. Bioaccessibility (BI%) was determined as described by Dantas et al. All experiments were performed in triplicates, and the resultsare expressed as mean ± standard deviation.The differences of the properties between J. The total phenolic and total flavonoid content values of the J. The total phenolic content (TPC) of the berries was found as mg GAE/g in dried berries and lower than the content determined by Miceli et al. Taviano et al.

First determination of some phenolic compounds and antimicrobial activities of Geranium ibericum subsp. jubatum: A plant endemic to Turkey

tailieu.vn

There is also a high amount of gallic acid in the flowers. the results of the phenolic contents, the antioxidant strength of the root is significantly higher than that of the leaves and flowers.. According to the results given in Table 2, the highest phenolic content can be seen in the root and flower.. Although the essential oil content for similar Geranium species has been examined in the literature, the phenolic component content has not frequently been studied.

Secondary metabolites and in vitro biological activities of fractions from stemona collinsae craib root extract

tailieu.vn

Total phenolic and flavonoid content. There is significant difference in phenolic content among S. Particularly, the phenolic content of ethyl acetate fraction was about 5 times higher than that of butanol fraction and about 9 times than that of n-hexane fraction.. However, the flavonoid content of all four fractions from roots extracts of S. Ethyl acetate fraction also contained significantly highest flavonoid content..

Assessment of fermented broken rice extracts for their potential as functional ingredients in cosmeceutical products

tailieu.vn

Total phenolic and total flavonoid content of fermented BR extracts The total phenolic content of fermented broken rice extracts is shown in Fig. The phenolic content of broken rice was increased upon fermentation with a similar trend seen following fermentation by each microorganism. Broken rice fermented with R. Total phenolic content in the extracts of broken rice fermented with A. The result is consistent with a study conducted by Dulf et al. Similarly, Correia et al..

Variation of nutrients and antioxidant activity in seed and exocarp layer of some Persian pistachio genotypes

tailieu.vn

Table 3 indicates total phenolic content and antioxidant activity measured from exocarp layer and seed of pistachio genotypes.. Total phenolic content in both exocarp layer and seeds was signif- icantly different among studied genotypes.. The highest total phenolic content in exocarp layer samples was observed in G3 (35.64 mg GAEs/g) followed by G16 (35.02 mg GAEs/g) and G20 (32.51 mg GAEs/g) genotypes.

Impacts of the use of gluten-free cereals and spices on the quality parameters of beer

tailieu.vn

Total phenolic, flavonoid, color intensity and bitter acid content of the beer samples. Total phenolic content, flavonoid content, color intensity and bitter acid content of the samples are presented in Table 2. From the study, it was deduced that the use of oat malt in brewing of the beer had an obvious negative effect on the phenolic content. The extract content of individual beer samples was not measured.

The physical and chemical properties of the jujube fruits at different maturation stages

tailieu.vn

The highest organic acid content was obtained from the jujube fruits at YM stage.. e) In the jujube fruit, the major sugars were glucose and fructose at the GM stage, whereas the sucrose was the major sugar at the RM stage.. f) The jujube fruit is a very rich fruit in terms of phenolic compounds, and its phenolic compound composition changed with the maturation. h) Total phenolic content and antioxidant capacity of the jujube fruit decreased with the maturation..

Chicken feather protein hydrolysate as a biostimulant improves the growth of wheat seedlings by affecting biochemical and physiological parameters

tailieu.vn

There is a limited study asserting the reduction of phenolic content in animal-derived PH-treated plants (Horii et al., 2007), whereas there is intensive evidence that indicates increased phenolic content associated with PH treatment (Colla et al., 2015). In PH-treated soybean, for instance, phenolic content increased significantly, while it decreased in PH- treated tomato plants (Horii et al., 2007).

Regulation of antioxidant activity in maize (Zea mays L.) by exogenous application of sulfur under saline conditions

tailieu.vn

Application of sulfur (40 and 80 mM) improved tocopherol content in both maize varieties.. Sulfur also improved salt tolerance in the salt-sensitive variety (Pak Afgoi 2003) to some extent (Figure 2). Application of sulfur (40 and 80 mM) significantly increased total phenolic content at all salt levels. However, higher levels of sulfur (80 mM) improved total phenolic content to a much greater extent.

Comparison of antioxidant capacities and antioxidant components of commercial bitter melon (Momordica charantia L.) products

tailieu.vn

Our findings showed that the essential bioactive components unique to bitter melon (especially phenolic acids and flavonoids known to be antioxidants) are found in higher amounts in commercial products. In addition, the phenolic content of the unripe fruit was found to be higher than that of the ripe fruit, which is again compatible with literature results..

Evaluation the efficacy of clove, sage and kiwifruit peels extracts as natural preservatives for fish fingers

tailieu.vn

On the other hand, the mix of the three extracts (1:1:1) re- corded the phenolic content higher than each extract alone mg GAE/g). The obtained TPC in the present study was higher than that reported by Bamdad et al. On the other hand, the total phenolic content for sage was higher than the value described by Darwish et al. c PEM: plant extract mix.. Means in the same raw followed by different lower case letters are significantly different (p b 0.05)..

Influence of different drying methods and cold storage treatments on the postharvest quality and nutritional properties of P. ostreatus mushroom

tailieu.vn

Effect of drying and cold storage treatments on total phenolic content, total flavonoid content, and antioxidant activity of P. drying and cold storage treatments. Effect of drying and cold storage treatments on color properties (L*, a*, b*, C* and h°) of P. Total phenolic content in storage at 4 °C was almost twice that of microwave drying.. The lowest values in terms of FRAP antioxidant activity were found in microwave drying and storage at 10 °C..

Bacterial inhibitory effect of algerian pomegranate (punica granatum l.) extracts (peel, juice, and seed) against multidrug resistant bacteria

tailieu.vn

Our results are in agreement with the previous studies where Li et al., (2006) found that the total phenolic content of the peel extract was nearly 10-fold as high as that of the pulp extract in pomegranate.

Modeling and optimizing microwave-assisted extraction of antioxidant compounds from marigold (Calendula officinalis L.) using response surface methodology

tailieu.vn

At the optimum extraction condi- tions, the maximum yield of total phenolic content, total antioxidant capacity, and radical scavenging activity obtained experimentally were very close to their predicted values, thus showing the suitability of the model used and the suc- cess of RSM in optimizing the extraction conditions.