scholarly journals Berries and Leaves of Actinidia kolomikta (Rupr. & Maxim.) Maxim.: A Source of Phenolic Compounds

Plants ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 147
Author(s):  
Laima Česonienė ◽  
Paulina Štreimikytė ◽  
Mindaugas Liaudanskas ◽  
Vaidotas Žvikas ◽  
Pranas Viškelis ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Ascorbic Acid ◽  
Phenolic Compounds ◽  
Radical Scavenging ◽  
Total Content ◽  
Ascorbic Acid Content ◽  
Free Radical Scavenging ◽  
Raw Material ◽  
Quantitative Composition ◽  
Pharmaceutical Industries

Berries of Actinidia kolomikta (A. kolomikta) are known for high ascorbic acid content, but the diversity of phenolic compounds has been little studied. The present research aimed to investigate phenolic compounds and antioxidant activity in berries and leaves of twelve A. kolomikta cultivars. The UHPLC-ESI-MS/MS technique was used to determine differences among cultivars in the quantitative composition of individual phenolic compounds. Antioxidant activity was determined by DPPH• free radical scavenging and CUPRAC methods. In the present study, 13 phenolic compounds were detected in berries, whereas leaves contained 17 phenolic compounds. Flavonols were the primary class found in both berries and leaves; other identified phenolic compounds were flavan-3-ols, flavones and, phenolic acids; and dihydrochalcone phloridzin was identified in the leaves. The amount and variety of phenolic compounds in berries and leaves and antioxidant activity were found to be cultivar-dependent. The highest total content of phenolic compounds was found in the leaves of the cultivar ‘Aromatnaja’ and in the berries of the cultivar ‘VIR-2’. Results of this study have confirmed that berries and leaves of A. kolomikta could be a valuable raw material for both food and pharmaceutical industries.

scholarly journals Composition and Antioxidant Activity of Phenolic Compounds in Fruit of the Genus Rosa L.

Antioxidants ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 545
Author(s):  
Mindaugas Liaudanskas ◽  
Irena Noreikienė ◽  
Kristina Zymonė ◽  
Rugilė Juodytė ◽  
Vaidotas Žvikas ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Phenolic Compounds ◽  
Radical Scavenging ◽  
Total Content ◽  
Quantitative Composition ◽  
Rosa Multiflora ◽  
Epicatechin Gallate ◽  
Qualitative And Quantitative ◽  
Fruit Samples

We investigated the qualitative and quantitative composition of phenolic compounds in the fruit of Rosa L. cultivars grown in Lithuania. The highest total content of phenolic compounds (50.13 ± 4.17 mg GAE/g, p < 0.05) was determined in fruit samples of Rosa pimpinellifolia L. cultivar “Single Cherry”. The highest levels of hydroxycinnamic acid derivatives were determined in fruit samples of Rosa rugosa Thunb. cultivars “Dart’s Defender” and “Adam Chodun”. The highest flavonoid content was determined in fruit samples of Rosa multiflora Thunb. cultivar “Nana” and R. multiflora species. The strongest antioxidant activity evaluated by applying DPPH and FRAP assays was determined in fruit extracts of R. pimpinellifolia cultivar “Single Cherry” and R. rugosa cultivar “Adam Chodun”. Qualitative and quantitative analysis of phenolic compounds in Rosa L. fruit was performed by applying UHPLC. The following phenolic compounds were identified in fruit samples: caffeic acid, chlorogenic acid, quercetin, quercitrin, (+)-catechin, (−)-epicatechin, (−)-epicatechin gallate, rutin, phloridzin, and kaempferol-3-O-glycoside. A strong correlation was determined between the total amount of phenolic compounds determined in extracts of the fruit samples of Rosa L. cultivars and the radical scavenging and reducing activity of their extracts in vitro (R = 0.767 and 0.727, respectively, p < 0.05).

Aktywność przeciwutleniająca i przeciwbakteryjna miodu, propolisu oraz pyłku kwiatowego

2020 ◽  
Vol 21 (3) ◽  
Author(s):  
Magdalena Woźniak ◽  
Lucyna Mrówczyńska ◽  
Anna Sip ◽  
Marta Babicka ◽  
Tomasz Rogoziński ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Phenolic Compounds ◽  
Pathogenic Bacteria ◽  
Radical Scavenging Activity ◽  
Colorimetric Method ◽  
Antioxidant Properties ◽  
Radical Scavenging ◽  
Total Content ◽  
Diffusion Method ◽  
Bacterial Strains

Introduction. Honey, propolis and pollen belong to bee products that have beneficial biological properties. These products exhibit e.g. antibacterial, antifungal and antioxidant properties. Due to biological activity and natural origin, bee products are used, e.g. in the food industry, cosmetology and pharmacy. Aim. The aim of the study was to compare the antioxidant and antibacterial activity of honey, propolis and pollen from an apiary located in Wielkopolska Province. Material and methods. Honey, propolis and pollen used in this study came from the same apiary located in Wielkopolska Province. The antioxidant potential of bee products was evaluated applying DPPH· free radical scavenging activity assay. The antimicrobial activity of the tested bee products was determined by the point-diffusion method against 13 strains of pathogenic and potentially pathogenic bacteria. In addition, the total content of phenolic compounds in honey, propolis and pollen was determined by the colorimetric method. Results. Propolis exhibited higher antioxidant activity, in comparison to honey and pollen. The antiradical activity of propolis was equal to 80% approx. activity of Trolox, the standard antioxidant. Among tested bee products, propolis was characterized by the highest total phenols content. In addition, honey, propolis and pollen showed antagonistic activity against tested bacterial strains. Conclusions. The obtained results indicate that among the tested bee products of native origin, i.e. honey, propolis and pollen, propolis characterized by the highest antioxidant activity and the total content of phenolic compounds. In addition, all bee products showed bactericidal activity against the tested bacterial strains.

scholarly journals Supplementation of Superfine Powder Prepared fromChaenomeles speciosaFruit Increases Endurance Capacity in Rats via Antioxidant and Nrf2/ARE Signaling Pathway

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Ka Chen ◽  
Jia You ◽  
Yong Tang ◽  
Yong Zhou ◽  
Peng Liu ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Ascorbic Acid ◽  
Antioxidant Enzymes ◽  
Raw Material ◽  
Endurance Capacity ◽  
Swimming Time ◽  
Pharmaceutical Industries ◽  
Herb Medicine

Chaenomeles speciosafruit is a traditional herb medicine widely used in China. In this study, superfine powder ofC. speciosafruit (SCE), ground by supersonic nitrogen airflow at −140°C, was investigated to assess itsin vitroantioxidant activity andin vivoantiphysical fatigue activity. SCE was homogenous(d<10 μm)and rich in antioxidants like polyphenols, saponins, oleanolic acid, ursolic acid, ascorbic acid, and SOD. According to thein vitroexperiments, SCE displayed promising antioxidant activity with powerful FARP, SC-DPPH, and SC-SAR activities. According to thein vivoexperiments, rats supplemented with SCE had prolonged exhaustive swimming time (57%) compared to the nonsupplemented rats. Meanwhile, compared to the nonsupplemented rats, the SCE-supplemented rats had higher levels of blood glucose and liver and muscular glycogen and lower levels of LA and BUN. Lower MDA, higher antioxidant enzymes (SOD, CAT, and GSH-Px) activities, and upregulated Nrf2/ARE mediated antioxidant enzymes (HO-1, Trx, GCLM, and GCLC) expression were also detected in the supplemented group. This study indicates that SCE is a potent antioxidant and antifatigue agent, and SCE could be a promising raw material for the food and pharmaceutical industries.

The antioxidant activity of phenolic compounds isolated from the bark of Ryukyu pine trees (Pinus luchuensis Mayr.)

2021 ◽  
Vol 17 ◽  
Author(s):  
Hanagasaki Takashi ◽  
Teruya Shoei
Keyword(s):  
Antioxidant Activity ◽  
Phenolic Compounds ◽  
Radical Scavenging ◽  
Raw Material ◽  
Tree Bark ◽  
Cosmetic Products ◽  
Material Source ◽  
Pine Tree ◽  
Pine Trees ◽  
Pinus Luchuensis

Background: Considering that many foreign tourists visit Okinawa, Japan, to purchase some cosmetic products, there is an urgent need to create cosmetic products native to Okinawa. As the Ryukyu pine tree, which is endemic to Okinawa, has been used as a source of wood, investigating the possible use of its bark is recommended. Using this natural resource from Okinawa would aid in promoting the products of Okinawa’s unique brands. As a result, this study was designed to isolate useful materials for cosmetic production. Therefore, fractionation was conducted based on a few types of chromatographies, after which the extracted product of the Ryukyu pine tree (Pinus luchuensis Mayr.) bark was analyzed, and its polyphenol contents compared. Methods: Bark of the Ryukyu pine tree cultivated in the northern mountainous region of the Okinawa Main Island was used for ASE extraction using ultrapure water at 130°C. DIAION HP20 with methanol and two HPLC fractionation types were subsequently used for phenolic compound isolation. Results: ASE extraction and HP20 and HPLC fractionations resulted in an isolation of several compounds: threo-1,2-bis-(4-hydroxy-3-methoxyphenyl)-propane-1,3-diol (compound 1; 0.03% w/w of an ASE extract), erythro-1,2-bis-(4-hydroxy-3-methoxyphenyl)-propane-1,3-diol (compound 2; 0.03% w/w of an ASE extract), catechin (0.11% w/w of an ASE extract), and vanillin (0.31% w/w of an ASE extract). In addition, the value of its antioxidant activity by the DPPH (2,2-diphenyl-1-picrylhydrazyl) radical-scavenging capacity assay was 3.3 mmol-trolox eq./g, 2.6 mmol-trolox eq./g, 9.7 mmol-trolox eq./g and 0.7 mmol-trolox eq./g for compound 1, compound 2, catechin, and vanillic acid, respectively. Conclusion: These phenolic compounds possess whitening and anti-aging potentials. Therefore, Ryukyu pine tree bark would be a useful raw material source for cosmetic production.

scholarly journals Effect of Drum-Drying Conditions on the Content of Bioactive Compounds of Broccoli Pulp

Foods ◽  
2020 ◽  
Vol 9 (9) ◽  
pp. 1224
Author(s):  
Constanza Córdova ◽  
Juan P. Vivanco ◽  
Julián Quintero ◽  
Andrea Mahn
Keyword(s):  
Antioxidant Activity ◽  
Ascorbic Acid ◽  
Phenolic Compounds ◽  
Ascorbic Acid Content ◽  
Rotation Frequency ◽  
Total Phenolic ◽  
Operation Costs ◽  
Drum Drying ◽  
Attractive Option ◽  
Drying Conditions

This work studied the effect of drum-rotation frequency, drum temperature, and water-to-pulp ratio in a double-drum drier on the content of sulforaphane, glucoraphanin, total phenolic compounds, ascorbic acid, and antioxidant activity of broccoli pulp through a multilevel factorial design with one replicate. Drum-drying conditions did not significantly affect sulforaphane content, unlike glucoraphanin, however the poor adherence of broccoli pulp resulted in a final product with undefined shape and heterogeneous color. On the other hand, antioxidant activity was unevenly affected by drying conditions; however, drum-rotation frequency affected it in the same way that phenolic compounds and ascorbic acid, showing a concordant behavior. The ascorbic acid content decreased significantly after drying, and it was highly dependent on the experimental factors, resulting in a regression model that explained 90% of its variability. Drum-rotation frequency of 5 Hz, drum temperature of 125 °C, and water-to-pulp ratio of 0.25 resulted in an apparent increase of sulforaphane and phenolic compounds content of 13.7% and 47.6%, respectively. Drum drying has great potential to fabricate dehydrated broccoli-based foods with functional properties. Besides, since drum drying has low investment and operation costs, it represents a very attractive option for the industrialization of broccoli derivatives.

scholarly journals Anthocyanin Profile and Antioxidant Activity of Various Berries Cultivated in Korea

2015 ◽  
Vol 10 (6) ◽  
pp. 1934578X1501000 ◽  
Author(s):  
Hong-Sook Bae ◽  
Hyun Ju Kim ◽  
Jin Hee Kang ◽  
Rika Kudo ◽  
Takahiro Hosoya ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Sulfonic Acid ◽  
High Performance ◽  
Radical Scavenging ◽  
Total Content ◽  
Oxygen Radical ◽  
Free Radical Scavenging ◽  
Black Raspberry ◽  
Total Polyphenol ◽  
Anthocyanin Profile

This study examined the anthocyanin composition and antioxidant activity of various berries cultivated in Korea: blueberry, crowberry, Korean black raspberry, mulberry, and strawberry. The anthocyanins in berries were identified by high-performance liquid chromatography (HPLC) analysis, and each component was quantitatively analyzed. Furthermore, the antioxidant activity of berries was evaluated using 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical-scavenging, 2,2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical cation decolorization, oxygen radical absorbance capacity (ORAC), and ferric ion reducing antioxidant (FRAP) assays. The results revealed that the total content of anthocyanins in crowberry was 35.1 mg/g of extract, which was higher than that in the other four major berry species (1.9-27.7 mg/g of extract). Nineteen anthocyanins were identified in the various berries. The major anthocyanins of crowberry were cyanidin-3-galactoside and delphinidin-3-galactoside, and those from Korean black raspberry were cyanidin-3-rutinoside and cyanidin-3-sambubioside-5-rhamnoside. These two berries also had relatively strong antioxidant activity accompanied by high total polyphenol contents. Thus, consumption of crowberry and Korean black raspberry may be beneficial in reducing the risk of developing lifestyle-related chronic diseases because of their strong antioxidant activity.

Free Radical Scavenging and Antioxidant Activity of Ascorbigen Versus Ascorbic Acid: Studies in Vitro and in Cultured Human Keratinocytes

2008 ◽  
Vol 56 (24) ◽  
pp. 11694-11699 ◽  
Author(s):  
Anika E. Wagner ◽  
Patricia Huebbe ◽  
Tetsuya Konishi ◽  
M. Mamunur Rahman ◽  
Meiko Nakahara ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Ascorbic Acid ◽  
Free Radical ◽  
Radical Scavenging ◽  
Human Keratinocytes ◽  
Free Radical Scavenging

scholarly journals Variation in Flavonoid Composition and Radical-Scavenging Activity inGinkgo bilobaL. due to the Growth Location and Time of Harvest

2017 ◽  
Vol 2017 ◽  
pp. 1-8 ◽  
Author(s):  
Laura Rimkiene ◽  
Asta Kubiliene ◽  
Andrejus Zevzikovas ◽  
Daiva Kazlauskiene ◽  
Valdas Jakstas
Keyword(s):  
Antioxidant Activity ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Raw Material ◽  
Quantitative Composition ◽  
Sample Collection ◽  
Health Promoting ◽  
Flavonoid Composition ◽  
Time Of Harvest ◽  
Practical Recommendations

The aim of our research is to investigate the qualitative and quantitative composition and antioxidant activity of flavonoids in leaf samples ofGinkgo bilobaL.(G. biloba)growing in Lithuania and also to provide practical recommendations for the pharmaceutical industry to determine the optimum harvesting time and growth location ofG. bilobaleaves. The obtained results indicate that the growth location and time of sample collection have a significant influence (p≤0.05) on the content of active compounds. July and August are the best months to harvestG. bilobaleaves for industry. To ensure the rational collection ofG. bilobaraw material, the location of plantations is recommended in the western and southwestern phytoregions. The obtained results also indicate that the flavonoid content inG. bilobaleaf has a significantly positive correlation (r=0.952,p≤0.001) with antioxidant activity. The aqueous acetonic extracts from green leaves scavenge radicals to a greater degree than those from yellowGinkgoleaves. The results of this investigation provide information regarding the most suitable Lithuanian growing location to produceG. bilobawith an optimized content of health-promoting compounds.

scholarly journals NUTRITIONAL AND BIOLOGICAL VALUE OF FRUITS OF CRATAEGUS OXYACANTHA L.

2020 ◽  
pp. 265-275
Author(s):  
Lyubov' Nikolayevna Skrypnik ◽  
Irina Petrovna Melnichuk ◽  
Yulia Vladimirovna Koroleva
Keyword(s):  
Antioxidant Activity ◽  
Ascorbic Acid ◽  
Phenolic Compounds ◽  
Organic Acids ◽  
Food Additives ◽  
Raw Material ◽  
Transport Infrastructure ◽  
Anthropogenic Factors ◽  
Total Phenolic ◽  
Phytochemical Study

The work involved the phytochemical study of hawthorn fruits (Crataegus oxyacantha L.). Hawthorn fruits were collected in areas with low anthropogenic impact (landscape and recreational areas) and in areas with the transport infrastructure in Kaliningrad city. The content of total phenolic compounds and subgroups: catechins, leucoanthocyanins, flavonoids, tannins); monosaccharides (glucose and fructose), pectins, organic acids, ascorbic acid, macro- and microelements, as well as antioxidant activity in hawthorn fruits were studied. The influence of the anthropogenic factor on the variability of their chemical composition was shown. It has been established that hawthorn fruits from areas with minimal impact of anthropogenic factors can accumulate phenolic compounds (up to 15.9 mg/g), leucoanthocyanins (up to 1.5 mg/g), tannins (up to 6.5 mg/g ), catechins (up to 4.1 mg/g), flavonoids (up to 6.0 mg/g), fructose (up to 14.1%), pectin (up to 11.6%), organic acids (1.45%), ascorbic acid (up to 49.3 mg/100 g), calcium (up to 12.12 mg/g), zinc (up to 39.12 mg/kg) more intensively and demonstrated higher antioxidant activity (up to 9.7 mg/g). The cluster analysis carried out on the content of phytochemicals proved the dependence of the accumulation of nutrients in hawthorn fruits on the growing conditions of plants. The obtained results allow us to consider the fruits of hawthorn C. oxyacantha as a valuable raw material for use as food additives for various purposes.

scholarly journals Bioactive compounds in different acerola fruit cultivares

2017 ◽  
Vol 38 (4Supl1) ◽  
pp. 2505
Author(s):  
Flávia Aparecida De Carvalho Mariano-Nasser ◽  
Maurício Dominguez Nasser ◽  
Karina Aparecida Furlaneto ◽  
Juliana Arruda Ramos ◽  
Rogério Lopes Vieites ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Ascorbic Acid ◽  
Phenolic Compounds ◽  
Acid Content ◽  
Nutritional Value ◽  
Ascorbic Acid Content ◽  
Titratable Acidity ◽  
Soluble Solids ◽  
Instrumental Color ◽  
Total Antioxidant

The increased consumption of acerola in Brazil was triggered because it is considered as a functional food mainly for its high ascorbic acid content, but the fruit also has high nutritional value, high levels of phenolic compounds, total antioxidant activity, anthocyanins and carotenoids in its composition. The objective was to evaluate the chemical, physical-chemical and antioxidant activity of eight varieties of acerola tree. The acerolas used in the research were the harvest 2015, 8 varieties: BRS 235 - Apodi, Mirandópolis, Waldy - CATI 30, BRS 238 - Frutacor, Okinawa, BRS 236 - Cereja, Olivier and BRS 237 - Roxinha, from the Active Bank Germplasm APTA Regional Alta Paulista in Adamantina - SP. Avaluated the following attributes: pH, titratable acidity, soluble solids, reducing sugar, instrumental color, ascorbic acid, total phenolics, flavonoids and antioxidant activity. The design was completely randomized, 8 varieties and 3 replications of 20 fruits each. Acerola fruit of the analyzed varieties prove to be good sources of phenolic compounds and antioxidant activity, ensuring its excellent nutritional quality relative to combat free radicals. The variety BRS 236 - Cereja presents higher ascorbic acid content, antioxidant activity and phenolic compounds, and the lowest value for flavonoid, which was higher than the other cultivars, especially Olivier and Waldy CATI-30.

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