Phenol Compounds—Qualitative Index in Small Fruits

Kondakova, V.; Tsvetkov, I.; Batchvarova, R.; Badjakov, Ilian; Dzhambazova, Teodora; Slavov, S.

doi:10.2478/v10133-009-0024-4

Cited by 35 publications

(31 citation statements)

References 63 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Previous studies have showed the phenolic content is (4.90 mg GAE/g dw) in same species of methanolic extract [20] whereas 12.45 mg GAE/g dw to 23.4 mg GAE/ 100 g dw phenolic content have also been reported earlier [21,22]. These data indicate that various factors such as climatic conditions, growth stage and genetic make-up influence the total phenolic content of plant [23]. The essential oil composition of A. calamus has already been reported from our laboratory [24].…”

Section: Resultssupporting

confidence: 51%

in vitro Antioxidant Activity and Total Phenolic Content of Rhizome Extracts from Acorus calamus Linn.

Chaubey¹,

Archana²,

Prakash³

et al. 2017

Asian J. Chem.

View full text Add to dashboard Cite

The present study describes antioxidant activities of methanolic extracts from Acorus calamus (Araceae) rhizomes. The antioxidant potential of methanolic extracts were determined by in vitro antioxidant screening models viz. DPPH radical scavenging activity, reductive ability and metal chelating activity along with the estimation of total phenolics, flavonoids and ortho-dihydroxy contents. The total phenolic, flavonoid and ortho-dihydroxy contents estimated ranged from 1.67 ± 0.288 to10.42 ± 0.180 mg/g gallic acid, 0.50 ± 0.053 to 24.50 ± 0.322 mg/g catechin and 0.43 ± 0.145 to 5.50 ± 0.552 mg/g catechol, respectively among different locations. Sample 7 th was found best for antioxidant activity (reducing power 119.42 ± 0.630 µg/mL and DPPH 143.35 ± 0.74 µg/mL). The antioxidant activity of the extracts were found to be positively correlated with phenolic content. However IC50 value exhibited negative correlation resulting A. calamus is a possible potential source of natural antioxidant.

show abstract

Section: Resultssupporting

confidence: 51%

in vitro Antioxidant Activity and Total Phenolic Content of Rhizome Extracts from Acorus calamus Linn.

Chaubey¹,

Archana²,

Prakash³

et al. 2017

Asian J. Chem.

View full text Add to dashboard Cite

show abstract

“…Flavonoids content was highest than vitamins and beta carotene. Vitamin C was known as an antioxidant (Kondakova et al, 2009) because of its ability to donate electrons (Padayatty et al, 2003) which can prevent cell damage from oxidation of fat (Evans, 2000). Beta carotene has antioxidant activity (Kiokias and Gordon, 2003) and protects cells from oxidative stress induced by Fe (Matos et al, 2006) As an antioxidant, vitamin C works as an electron donor by moving one electron to the Cu metal compound (Padayatty et al, 2003) Vitamin C is an essential phytonutrients for the metabolism of living cells that occurs in different concentrations in natural foods especially fruits and their products.…”

Section: Bioactive Component Of Feed Supplementmentioning

confidence: 99%

“…Pineapple rind meal contains flavonoids 3.47%. Flavonoids have antioxidant capacity (Beecher, 2003;Kondakova et al, 2009). Flavonoid compounds to flavonols group consists of quercetin, mirisetin and kaemperol (Lin et al, 2006).…”

Section: Bioactive Component Of Feed Supplementmentioning

confidence: 99%

Milk Quality of Dairy Goat by Giving Feed Supplement as Antioxidant Source

Mardalena

Warly

Nurdin

et al. 2011

J. Indonesian Trop. Anim. Agric.

View full text Add to dashboard Cite

Free radical levels can be higher than the level of endogenous antioxidants in the body so that uncomfortable conditions in the body of dairy goats could happen. To anticipate this uncomfortable conditions will be given feed supplement (FS) as source of antioxidants (AOX). FS contain mixture pineapple rind meal and antioxidant minerals (AOXM) each 25 ppm Zn and 10 ppm Cu. This experiment was carried out to investigate the effect of feed supplements as antioxidant source on milk quality of dairy goats. Sixteen Etawah dairy goats in the second lactation were used in the experiment that conducted using randomized block design with 4 treatments and 4 replicates. The treatments were R0 (grass + concentrate), R1 (R0 + FS containing 0.04 % AOX), R2 (R0 + FS containing 0.06% AOX), R3 (R0 + FS containing 0.08 % AOX). The data collected were analyzed using Anova. The result of phytochemicals analysis indicated that feed supplement contained flavonoid, polyphenols, sesqiuterpen, mopnoterpen, steroids, quinones and saponins. The results of study showed that there were difference (p<0.05) among treatments on blood and milk cholesterol and milk lactose, but there were no difference (P>0.05) on milk yield, milk fat, milk protein and milk antioxidant. The conclusion of this study was the feed supplements containing 0.08 AOX produced the best response to milk quality of dairy goats.

show abstract

“…Therefore, seasonal variation should be taken into consideration together with plant age, genetic, agronomic and storage variations. According to Kondakova et al (2009), fruits of berry plants grown in a colder climate and under a shorter vegetation period have higher levels of phenolic compounds. These differences, governed by geographical region, probably also occur for other plant parts.…”

Section: Discussionmentioning

confidence: 99%

“…Aromatic and medicinal plants are a good source of natural antioxidants, because of large amounts of secondary metabolites, such as polyphenols and essential oils (Wannes et al, 2010), which are produced by plants for normal growth and development (Kondakova et al, 2009) to defend against plant pathogens, UV stress or to attract pollinators (Michel et al, 2012). Vol.…”

Section: Introductionmentioning

confidence: 99%

Effects of Energy and Macronutrient Intake on Cognitive Function Through the Lifespan

Gibson¹

2013

Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences

View full text Add to dashboard Cite

INTRODUCTIONThis review will briefly consider the impact on cognitive development and function, of variation in intake (insufficient or excessive) of the macronutrients, protein, carbohydrate and fat, and, where its effects can be separated, energy, over the human lifespan. For each macronutrient, attention will be paid to what is known about the role of specific forms for cognition and brain function. This review is mainly concerned with evidence in human beings, and emphasis is placed on highlighting current understanding of the evidence, rather than an extensive review of the literature.All the macronutrients can provide energy, albeit with differing priorities and target organs, as well as carbon for structural functions, and many forms are fundamental to cellular processes governing growth, signalling and survival (Mann and Truswell, 2012). For the brain specifically, carbohydrates provide glucose as the primary energy source, amino acids in proteins provide the precursors for synthesis of neurotransmitters and create their receptors, while fatty acids provide the structural basis of neuronal cell membranes. These properties point to ways in which macronutrient intake may be crucial for optimal brain function.Firstly, the importance of adequate intake of energy and protein, both for the pregnant mother and thus the intrauterine nutritional environment for the foetus, and for the neonate and infant child, will be considered. Breastfeeding will briefly be compared to formula feeding, as the quantity and quality of fats and protein may have implications for cognitive development.Next, the review will discuss evidence for the benefits of breakfast, and other meal types, for cognitive function in school children, adolescents and adults, comparing effects of different forms of breakfast, including the nature of the carbohydrates and the glycaemic index of the meal. For adolescents and adults, there is extensive literature on the effects of glucose loads on cognition, particularly memory and attention: this literature will be summarised, and the strengths and weaknesses of the evidence, and its implications, discussed.PROCEEDINGS OF THE LATVIAN ACADEMY OF SCIENCES. Section B, Vol. 67 (2013), No. 4/5 (685/686), pp. 303-314. DOI: 10.2478/prolas-2013 EFFECTS OF ENERGY AND MACRONUTRIENT INTAKE ON COGNITIVE FUNCTION THROUGH THE LIFESPAN Edward Leigh GibsonDepartment of Psychology, University of Roehampton, London, UK l.gibson@roehampton.ac.uk Communicated by Valdis PîrâgsThis paper reviews effects of both insufficient and excessive energy and macronutrient intake on cognition over the lifespan, including the prenatal period, infancy, childhood, and adulthood. In the brain, the hippocampus is particularly vulnerable to both protein malnutrition and energy undernutrition in utero or infancy, resulting in impaired neurogenesis and deficits in memory and spatial learning, reduced anxiety and increased impulsivity, reflected in impairments of neurotransmitter systems. Conversely, higher protein intake is associated with i...

show abstract

Phenol Compounds—Qualitative Index in Small Fruits

Cited by 35 publications

References 63 publications

in vitro Antioxidant Activity and Total Phenolic Content of Rhizome Extracts from Acorus calamus Linn.

in vitro Antioxidant Activity and Total Phenolic Content of Rhizome Extracts from Acorus calamus Linn.

Milk Quality of Dairy Goat by Giving Feed Supplement as Antioxidant Source

Effects of Energy and Macronutrient Intake on Cognitive Function Through the Lifespan

Contact Info

Product

Resources

About