scholarly journals Distribution of collection samples of marigolds medical (Calendula officinalis L.) on clusters according to the flavonoids content and their characteristics

2016 ◽  
Author(s):  
R. Melnychuk ◽  
L. Sereda ◽  
O. Sereda
Keyword(s):  
Cluster Analysis ◽  
High Performance ◽  
Selection Process ◽  
Vegetation Period ◽  
Total Flavonoids ◽  
Calendula Officinalis ◽  
Experimental Station ◽  
Integrated Valuation ◽  
Calendula Officinalis L ◽  
High Performance Liquid Chromatogram

The article describes the differentiation of collection samples of marigold at Experimental station of medicinal plants using cluster analysis as to sixteen components of the group of flavonoids, highlighted with high performance liquid chromatogram. The selected six clusters, which are characterized by the complex of economically valuable sings: plant height, diameter of the bush, productivity of plants by dry inflorescences and seeds, weight of 1000 seeds, vegetation period and the content of total flavonoids. We developed and presented numerical score for each of these sings of the six clusters. According to the results of the integrated valuation we found the highest amount of points at the samples of cluster 5, which was 35 points. The selected varieties of marigold of the fifth cluster such as Radio, Berezotits’ka sonyachna, Oranzhevyy blysk, and a sample Co-12-115 were found to be promising for future use in the selection process.

scholarly journals Research on the Cultivation of 8 Marigold Varieties (Calendula Officinalis L.) in Various Conditions of Fertilization in the Jucu, Cluj

2010 ◽  
Vol 67 (1) ◽  
Author(s):  
Marcel Matei DUDA ◽  
Horia BUNESCU ◽  
Avram FIŢIU ◽  
Simona VAIDA
Keyword(s):  
Average Diameter ◽  
Vegetation Period ◽  
Plant Size ◽  
Climatic Conditions ◽  
Calendula Officinalis ◽  
Soil Fertilization ◽  
Average Rainfall ◽  
Biometric Measurements ◽  
Drying Efficiency ◽  
Calendula Officinalis L

The experimental field UASVM Cluj-Napoca, from Jucu in 2008, we made some research on the behavior of eight marigold varieties in three conditions of soil fertilization with manure. The year 2008 was characterized by an amount close to average rainfall, but a mean temperature of the vegetation period increased by 6.7°C. Climatic conditions were favorable marigold cultivation. The marigold cultivars have made a number of biometric measurements such as waist measurement of average plants, diameter of inflorescences, inflorescence mass of 100, the production of inflorescences and drying efficiency. Plant size in the eight varieties of marigold was between 64 and 92 cm. Average diameter of inflorescences was between 4.7 and 8.25 cm. Mass of 100 marigold inflorescence ranged from 240 to 90 g and the production of fresh inflorescences was between 6,890 and 10,200 kg/ha. Yields the largest inflorescence was obtained from cultivars „Belezza del Pacifico", "Cluj 2"and "Starsem 922", with over 9600 kg fresh inflorescences /ha. Production at marigold is strongly influenced by genotype and fertilizer. The average yield was drying 6 / 1. There is a direct correlation between size and mass of their inflorescences.

scholarly journals Phytochemical evaluation and in vitro antioxidant and photo-protective capacity of Calendula officinalis L. leaves

2015 ◽  
Vol 17 (4 suppl 1) ◽  
pp. 693-701 ◽  
Author(s):  
V.C.K.N. DEUSCHLE ◽  
R.A.N. DEUSCHLE ◽  
M. PIANA ◽  
A.A. BOLIGON ◽  
M.R.B. BORTOLUZZI ◽  
...  
Keyword(s):  
Antioxidant Capacity ◽  
High Performance ◽  
High Performance Liquid Chromatographic ◽  
Calendula Officinalis ◽  
Protective Capacity ◽  
Protection Factor ◽  
Capacity Evaluation ◽  
Dpph Method ◽  
Calendula Officinalis L

ABSTRACT The plant Calendula officinalis L. is widely applied due to its medicinal properties, which are mainly dermatological and ornamental. The goal of this study is to assess the phytochemical components in a hydroethanolic extract (HECO) from the leaves of Calendula officinalis L. using UV-VIS spectrophotometry and thin layer chromatography (TLC), as well as to identify and quantify the components related to its antioxidant capacity employing high performance liquid chromatographic (HPLC). The antioxidant capacity evaluation was performed using the DPPH method for superoxide and hydroxyl radicals. The photo-protective capacity was evaluated by UVspectrophotometry in order to determine the in vitro Sun Protection Factor(SPF). The results show the plant’s strong antioxidant activity (DPPH and hydroxyl methods), which we believe to be related to the presence of flavonoids (24.67 mg/g), polyphenols (33.90 mg/g), condensed tannins (27.30 mg/g), and the amount of rutin (37.25 mg/g), and quercetin (6.09 mg/g) found during the study. The HECO presented a good antioxidant capacity, most likely due to the polyphenols, flavonoids, and tannins in its contents. However, the obtained SPF of 1.89 ± 0.05 does not allow the plant to be classified as a stand-alone sunscreen, and more studies are needed in order to test its ability to enhance sunscreens in existing cosmetic formulations.

Two Short Tests Fail to Detect Vigilance Decrements

2001 ◽  
Vol 17 (1) ◽  
pp. 48-55 ◽  
Author(s):  
Juan Botella ◽  
María José Contreras ◽  
Pei-Chun Shih ◽  
Víctor Rubio
Keyword(s):  
Individual Differences ◽  
High Performance ◽  
Selection Process ◽  
Vigilance Task ◽  
Air Traffic Controllers ◽  
Job Selection ◽  
Performance Deterioration ◽  
Short Test ◽  
Psychological Dimensions

Summary: Deterioration in performance associated with decreased ability to sustain attention may be found in long and tedious task sessions. The necessity for assessing a number of psychological dimensions in a single session often demands “short” tests capable of assessing individual differences in abilities such as vigilance and maintenance of high performance levels. In the present paper two tasks were selected as candidates for playing this role, the Abbreviated Vigilance Task (AVT) by Temple, Warm, Dember, LaGrange and Matthews (1996) and the Continuous Attention Test (CAT) by Tiplady (1992) . However, when applied to a sample of 829 candidates in a job-selection process for air-traffic controllers, neither of them showed discriminative capacity. In a second study, an extended version of the CAT was applied to a similar sample of 667 subjects, but also proved incapable of properly detecting individual differences. In short, at least in a selection context such as that studied here, neither of the tasks appeared appropriate for playing the role of a “short” test for discriminating individual differences in performance deterioration in sustained attention.

Changes In Phytochemical Traits Of Calendula Officinalis L. In Response To Bio-Stimulants Application

Planta Medica ◽  
2016 ◽  
Vol 82 (05) ◽  
Author(s):  
H Rafiee ◽  
H Naghdi Badi ◽  
A Mehrafarin ◽  
M Taghi Khosravi ◽  
M Tamjidi
Keyword(s):  
Calendula Officinalis ◽  
Calendula Officinalis L

Oddziaływanie napropamidu na wybrane właściwości antyoksydacyjne koszyczków nagietka lekarskiego (Calendula officinalis L.)

2018 ◽  
Vol 72 (4) ◽  
pp. 37-46
Author(s):  
Arkadiusz Telesiński ◽  
Mirosław Onyszko ◽  
Martyna Śnioszek ◽  
Maciej Płatkowski ◽  
Michał Stręk
Keyword(s):  
Calendula Officinalis ◽  
Calendula Officinalis L

ETHIDIUM BROMIDE INFLUENCE ON PHOTOSYNTHETIC PIGMENTS CONTENT IN Calendula officinalis L. LEAF

2012 ◽  
Vol 11 (9) ◽  
pp. 1721-1724
Author(s):  
Roxana Vatavu ◽  
Constantin Leonte ◽  
Teodor Robu. ◽  
Catalina Slabu-Pascal
Keyword(s):  
Ethidium Bromide ◽  
Photosynthetic Pigments ◽  
Calendula Officinalis ◽  
Calendula Officinalis L

A trait collection of spring groat barley

2018 ◽  
pp. 85-96
Author(s):  
I.A. Petukhova ◽  
V.K. Riabchun ◽  
V.A. Muzapharova ◽  
O.I. Padalka ◽  
T.A. Sheliakina ◽  
...  
Keyword(s):  
High Performance ◽  
Spring Barley ◽  
Vegetation Period ◽  
Grain Weight ◽  
Starting Material ◽  
Economic Traits ◽  
The Czech Republic ◽  
Science And Education ◽  
New Varieties ◽  
1000 Grain Weight

The goal of our research was to form a collection of groats barley, to search, to select and to evaluate starting material of spring barley for a set of valuable economic traits, technological properties and culinary qualities of barley groats. Results and Discussion. Basing on to the results of assessments, we identified selected 55 spring barley accessions, which were characterized by 17 traits and 75 expression levels. The collection includes accessions from 11 countries; the largest number of accessions (59) are from Ukraine; 39 – from Russia; 10 - from Belarus; 10 - from Germany; 6 - from France; 5 - from Kazakhstan; 4 - from Canada; 3 - from the Czech Republic; 2 – from Great Britain; 1 accesson is from Serbia; and 1 - from Austria. Accessions combining high levels of expression of different traits are the most valuable. They include the following accessions: Doridnyi, Vodohrai, Sviatomykhailivskyi, Svarozhych, Soka, Іlot (UKR). Naked accessions include: Akhilles (UKR), Mayskiy, Oskar, Golozyornyy 1, Omskiy Golozyornyy 1 (RUS), CDC Alamo, CDC Candle (CAN). These varieties can be starting material for creation of new modern high-performance spring groats barley varieties. Ten valuable accessions registered with the NCPGRU (Sovіra, Doridnyi, Soka, Vodohrai, Partner, Yukatan, Avhii, Svarozhych, Baskak, and Virtuoz) were included in the trait groats collection. Conclusions. Basing on the results of multiyear studies, we formed the trait collection of spring groats barley comprising 140 accessions from 11 countries. The collection includes 55 reference accessions that cover 17 traits (plant height, vegetation period, ear length, grain weight per ear, 1000-grain weight, grain shape, grain evenness, vitreousness, culinary qualities of barley groats, etc.) characterized by 75 levels of their expression. The collection is of considerable value for science and education. The accessions selected allow improving the efficiency of breeding to create new varieties with high technological and culinary properties as well as with a set of valuable economic characteristics.

Content and composition of phospholipids, fatty acids and sterols in commercial natural phospholipid excipients

2020 ◽  
Vol 16 ◽  
Author(s):  
Luxia Zheng ◽  
Xiong Shen ◽  
Yingchun Wang ◽  
Jian Liang ◽  
Mingming Xu ◽  
...  
Keyword(s):  
Fatty Acids ◽  
Cluster Analysis ◽  
Fatty Acid ◽  
High Performance ◽  
Comprehensive Evaluation ◽  
Phospholipid Fatty Acid ◽  
Egg Yolk ◽  
Systematic Research ◽  
Manufacturing Enterprises ◽  
The Many

Background: Phospholipids are widely used in food and pharmaceutical industry as functional excipients. In spite of the many analytical methods reported, there are very limited reports concerning systematic research and comparison of phospholipid excipients. Objective: To present a comprehensive evaluation of commercial natural phospholipid excipients (CNPEs). Methods: Seventeen batches of CNPEs from five manufacturing enterprises, isolated either from soybean or egg yolk, were investigated. The content and composition of phospholipids, fatty acids and sterols as a whole were considered as the evaluative index of CNPEs. Eight kinds of phospholipids were determined by supercritical fluid chromatography (SFC), twenty-one kinds of fatty acids were determined by gas chromatography (GC) after boron trifluoride-methanol derivatization, and nine kinds of sterols were determined by high performance liquid chromatography (HPLC) after separation and derivatization of the unsaponifiable matter. Cluster analysis was employed for classification and identification of the CNPEs. Results: The results showed that each kind of CNPEs had its characteristic content and composition of phospholipids, fatty acids and sterols. Seventeen batches of samples were divided into eight groups in cluster analysis. CNPEs of the same type from different source (soybean or egg yolk) or enterprises presented different content and composition of phospholipids, fatty acids and sterols. Conclusion: Each type of CNPEs had its characteristic content and composition of phospholipid, fatty acid and sterol. The compositions of phospholipid, fatty acid and sterol as a whole can be applied as an indicator of the quality and characteristics for CNPEs.

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