Quality evaluation of chicken breast marinated with encapsulation of turmeric extract

Food Research ◽  
2021 ◽  
Vol 5 (4) ◽  
pp. 366-373
Author(s):  
H. Febrianta ◽  
V.D. Yunianto ◽  
N. Nurwantoro ◽  
V.P. Bintoro
Keyword(s):  
Pathogenic Bacteria ◽  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Antioxidant Potential ◽  
Plate Count ◽  
Chicken Breast ◽  
Total Phenolic ◽  
Turmeric Extract ◽  
Significant Difference

Turmeric is extensively used as a preservative in food because it has biological activities such as antioxidant and antibacterial activities. The quality preservation of turmeric can be applied by using microencapsulation techniques to improve the bioavailability of polyphenol substances in turmeric. This study was carried out to determine the physicochemical, oxidative stability, antioxidant potential, pathogenic bacteria, and sensory evaluation of chicken breast marinated with microencapsulation of turmeric extract stored at refrigeration (4±1°C) on 0, 3rd, 6th, 9th, and 12th day of storage. The treatments given include control (T0), 2.5% added microencapsulated turmeric extract (T1), 5% added microencapsulated turmeric extract (T2), and 7.5% added microencapsulated turmeric extract (T3). The results showed a significant difference (p<0.05) in moisture, pH, free fatty acid, peroxide value, DPPH free radical scavenging activity, thiobarbituric acid reactive substances, total phenolic, and total plate count (TPC) between treatments and storage periods. In conclusion, chicken breast marinated with 7.5% microencapsulation of turmeric extract was considered to have better physico-chemical, antioxidant potential, microbiological, and sensorial properties.

Antioxidant capacity of hydroalcoholic extracts of Grewia serrulata DC and Grewia nervosa (Lour.) Panigrahi

2018 ◽  
Vol 9 (1) ◽  
pp. 121
Author(s):  
Mentham Ramesh ◽  
Chandu Babu Rao
Keyword(s):  
Total Phenolic Content ◽  
Superoxide Radical ◽  
Phenolic Content ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Total Flavonoid ◽  
Antioxidant Potential ◽  
Total Phenolic ◽  
Total Flavonoid Content ◽  
Flavonoid Content

The current investigation is intended to evaluate the content of phytochemical constituents and antioxidant potential of hydroalcoholic extracts of stem and root of Grewia serrulata DC (HAESGS & HAERGS) and leaf and bark of Grewia Nervosa (Lour.) panigrahi (HAELGN & HAEBGN). Initially, all the extracts at different concentrations were estimated for their total phenolic content and total flavonoid content. The study was further extended for their antioxidant potential evaluation using various in vitro methods such as 1, 1-diphenyl-2-picrylhydrazyl (DPPH) radical, hydroxyl radical and superoxide radical scavenging assays. The total phenolic content (mg gallic acid equivalent per gram of extract) was high in HAELGN (170.82±0.19) and HAERGS (123.00±0.48) than HAESGS (111.2±0.26) and HAEBGN (119.60±0.23). The total flavonoid content (mg quercetin equivalent per gram) is greater in HAERGS (71.24±0.50) and HAESGS (65.68±0.27) than HAELGN (55.82±0.35) and HAEBGN (62.38±0.45). The IC50 values (µg/ml) of different plant extracts inferred that DPPH radical scavenging activity is greater in HAELGN (42.91±0.88) and HAEBGN (53.87±0.35) than HAESGS (126.73±1.20) and HAERGS (88.87±1.25). However, hydroxyl and superoxide radical scavenging activity is more in HAERGS (135.41±1.19 & 88.00±1.42) and HAELGN (172.28±1.91 & 108.163±1.09) than HAESGS (237.3±1.65 & 110.074±0.87) and HAEBGN (204.7±1.04 & 125.54±1.07). The results of present comprehensive analysis demonstrated that both the plants Grewia serrulata DC and Grewia Nervosa (Lour.) panigrahi possess high phenolic, flavonoid contents and potential antioxidant activity, and could be used as a valid source of natural antioxidants and might be utilized for pharmacological screening of various therapeutic activities. Keywords: Grewia serrulata; Grewia Nervosa; Total Phenolic content; Total flavonoid content; Antioxidant potential

scholarly journals POLYPHENOL CONTENT AND ANTIOXIDANT POTENTIAL OF Allophylus edulis (A. St.-Hil. et al.) Hieron. ex Niederl. AND Cupania vernalis Cambess. (SAPINDACEAE)

2021 ◽  
Vol 45 ◽  
Author(s):  
Andréa Michel Sobottka ◽  
Elisandra Tessaro ◽  
Suelen Maier da Silva ◽  
Marina Pedron ◽  
Lara Tortini Seffrin
Keyword(s):  
Antioxidant Activity ◽  
Ethyl Acetate ◽  
Skin Diseases ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Ethyl Acetate Fraction ◽  
Antioxidant Potential ◽  
Total Phenolic ◽  
Butanol Fraction ◽  
Degraded Ecosystems

ABSTRACT Allophylus edulis and Cupania vernalis (Sapindaceae) are Brazilian native trees used as medicinal plants for the treatment of respiratory, digestive, circulatory, and skin diseases. Ubiquitously distributed in the Brazilian territory, these species are indicated for mixed plantations aimed at the recovery of degraded ecosystems. In this study, the total phenolic content (TPC) and total flavonoid content (TFC), and the antioxidant activity of extracts and fractions obtained from A. edulis and C. vernalis leaves were assessed. The TPC and TFC was determined spectrophotometrically. Antioxidant activity was evaluated through radical scavenging activity of 2,2-diphenyl-1-picrylhydrazyl (DPPH). The extracts were obtained by two methods: maceration (method 1) and Soxhlet (method 2). Solvents of increasing polarity (hexane, dichloromethane, ethyl acetate, and n-butanol) were used to obtained the fractions. The results showed that the ethyl acetate fraction from A. edulis, obtained from the maceration method, had the highest TPC (442.0 ± 18.2 mg GAE g-1) and TFC (58.1 ± 0.4 mg RUE g-1), and antioxidant activity (EC50 = 43.6 ± 2.6 µg mL-1). By C. vernalis, superior results were obtained with the n-butanol fraction (TPC = 126.1 ± 5.8 mg GAE g-1, TFC = 37.7 ± 0.6 mg RUE g-1). The highest antioxidant potential was found in the crude hydroalcoholic extract (EC50 = 816.1 ± 50.9 µg mL-1) and butanol fraction (1,156.4 ± 3.8 µg mL-1). The results of this study show that the fractions obtained by maceration and liquid-liquid partition with more polar solvents (ethyl acetate and n-butanol) are the richest in TPC and TFC, and presented the greater antioxidant activity. Comparing the two plants, A. edulis showed the best results, with a high content of TPC, TFC, and antioxidant potential, and therefore may be used to treat diseases related to oxidative stress.

scholarly journals EVALUATION OF ANTIOXIDANT POTENTIAL AND QUANTITATIVE ESTIMATION OF PHENOLIC AND FLAVONOID CONTENT IN SOME SELECTED NEPALESE MEDICINAL PLANTS

2019 ◽  
pp. 124-128
Author(s):  
RUPAK KHAREL ◽  
KHAGA RAJ SHARMA
Keyword(s):  
Medicinal Plants ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Antioxidant Potential ◽  
Melia Azedarach ◽  
Total Phenolic ◽  
Flavonoid Content ◽  
Methanolic Extracts ◽  
Ic50 Value ◽  
Phenolic And Flavonoid

Objective: The aim of this study is to evaluate the antioxidant potential, determination of total phenolic and flavonoid content in nine selected medicinal plants Spondias pinnata, Melia azedarach, Ageratina adenophora, Urtica dioica, Curcuma longa, Bauhinia variegata, Elaeocarpus angustifolius Blume, Achyranthes aspera, and Psidium guajava from Kavre district of Nepal using in vitro studies. Methods: Methanolic plant extracts were prepared by cold percolation method. The methanol extract of nine medicinal plants collected from Kavre district of Nepal, was screened for assessing bioactive phytoconstituents followed by antioxidant property, total phenolic, and flavonoid content. Different plants collected were powdered and extracted with methanol, concentrated by a rotatory evaporator and analyzed for the presence of phytochemicals. The antioxidant potential of the plant extracts was evaluated by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging assay. Results: The phytochemical analysis of methanolic extracts of all nine medicinal plants displayed the presence of various secondary metabolites such as alkaloids, flavonoids, polyphenols, saponins, and quinones. The extract of S. pinnata showed the highest percentage of radical scavenging activity up to 87.94±1.88 with 50% inhibitory concentration (IC50) 17.51±1.27 μg/mL, followed by B. variegata, 80.63±1.06 with IC50 value 26.55±2.61 μg/mL. The standard, ascorbic acid has IC50 value of 20.13±1.17 μg/mL. Further, the ethyl acetate fraction of S. pinnata showed the maximum percentage of radical scavenging (85.92±1.37) with IC50 value of 46.95±1.17 μg/mL. Moreover, S. pinnata displayed the highest total phenolic content (TPC) 48.26±1.23 mg GAE/g (milligram gallic acid equivalent per gram) extract while the highest flavonoid content was displayed by Melia azedarach 41.07±1.53 mg QE/g (milligram quercetin equivalent per gram) extract measured by the Folin–Ciocalteu reagent method and aluminum chloride colorimetric method. Conclusions: The preliminary results of this study have put forward the extract of S. pinnata showed the highest percentage of radical scavenging activity and S. pinnata displayed the highest TPC while the highest flavonoid content was displayed by Melia azedarach methanolic extracts although the further studies are needed to assess its mechanism of action.

scholarly journals Effects of Gamma-Irradiation on the Antioxidant Potential of Traditional Bulgarian Teas

2017 ◽  
Vol 12 (2) ◽  
pp. 1934578X1701200
Author(s):  
Michał Adam Janiak ◽  
Adriana Slavova-Kazakova ◽  
Magdalena Karamać ◽  
Vessela Kancheva ◽  
Anastasiya Terzieva ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Gamma Irradiation ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Biologically Active ◽  
Food Irradiation ◽  
Antioxidant Potential ◽  
Total Phenolic ◽  
Tannin Content ◽  
Good Night

Food irradiation technologies are used to reduce the risk of food borne diseases by eliminating pathogenic microorganisms, prolonging shelf life and reducing storage losses by delaying ripening, germination or sprouting. However, application of irradiation in food technology can negatively influence the biologically active compounds in foods. In this research, the effect of gamma-irradiation on the antioxidant activity of Bulgarian teas was investigated. The aim of the study was to evaluate the total phenolic and tannin content and antioxidant activity of ethanolic extracts of Bulgarian herbal teas before and after gamma-irradiation. Mursalski tea ( Sideritis scardica), Mashterka tea ( Thymus serpyllum), Good Night tea (tea mix), Staroplaninski tea (Balkan tea mix), Trakia tea (tea mix), and Mountain tea (Planinski tea mix) were selected for this study. Gamma-irradiation was applied at the absorbed dose of 5 kGy. Antioxidant activity of non-irradiated and irradiated teas was determined by measuring antiradical activity against DPPH• and ABTS•+ and the ability to reduce ferrous ions. The highest total phenolic content was found in Mursalski tea (268 mg/g), and the highest tannin content in Good Night tea (168 mg/g). FRAP, TEAC and DPPH assays revealed that the most active samples were Staroplaninski (2.78 mmol Fe (II)/g), Planinski (0.87 mmol Trolox/g) and Planinski (0.032 mg/mL), respectively. The radical scavenging activity of irradiated tea samples was maintained after gamma-irradiation. The most interesting extract from irradiated tea studied was Staroplaninski, which demonstrated a higher antioxidant potential in the irradiated sample compared with the non-irradiated sample.

scholarly journals ANTIOXIDANT ACTIVITY, AMINO ACID PROFILE AND MICROBIAL QUALITY OF BEBONTOT, A BALINESE TRADITIONAL FERMENTED CHICKEN MEAT PRODUCTS

2019 ◽  
Vol 22 (3) ◽  
pp. 93
Author(s):  
Okarini I. A. ◽  
H. Purnomo ◽  
Aulanni'am . ◽  
L. E. Radiati
Keyword(s):  
Antioxidant Activity ◽  
Amino Acid ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Meat Products ◽  
Chicken Meat ◽  
Plate Count ◽  
Total Phenolic ◽  
Microbial Quality

Antioxidant activity, amino acids profile and microbial quality of raw bebontot of chicken meat of spent laying henwere investigated. The samples were prepared using meat dices (1.5 x 2.0 cm) mixed with fresh ground coriander,garlic, galangal, white pepper, salt, sugar and coconut oil then wrapped in Areca catechu palm dried sheaths andfinally fermented spontaneously by drying under the sun for 5 days. The results showed there was a decreasing inpH value, moisture content and 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity of final products, whileits total phenolic content was increasing. Glutamic acid was the most abundant amino acid in products after 5days fementation, followed by tyrosine, aspartic acid, lysine, leucine and histidine. The total plate count and lacticacid bacteria counts were decreasing to 9.39 log cfu/g and 8.98 log cfu/g; the Micrococcaceae was decreased to5.31 log cfu/g; the yeast and moulds counts were increased to 8.58 log cfu/g and 6.51 log cfu/g at the final stageof fermentation. It can be concluded that bebontot chicken meat in this study is a good source of natural phenolicantioxidant, and the present microorganisms will provide the source for the selection of strains well adapted to theenvironment and able to compete with contaminant bacteria.

Protective effects of ethanolic extract of Lemon Beebrush (Aloysia citrodora) leaf against hypoxia-induced lethality in mice

2020 ◽  
Author(s):  
Mohammad Hossein Hosseinzadeh ◽  
Mohammad Ali Ebrahimzadeh
Keyword(s):  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Positive Control ◽  
Experimental Models ◽  
Total Phenolic ◽  
Control Group ◽  
Antihypoxic Activity ◽  
Significant Activity ◽  
Protective Effects

Lemon Beebrush, known as Lippia citroiodora and Aloysia citrodora is a known medicinal plant in Iran. Many biological activities have been reported from this plant. In spite of many works, nothing is known about protective effect of A. citrodora against hypoxia conditions. In this study, protective effects of A. citrodora leaf extract against hypoxia-induced lethality in mice were evaluated by three experimental models of hypoxia, asphyctic, haemic and circulatory. Its phenol and flavonoid contents and antioxidant activity were also evaluated. Statistically significant protective activities were established in some doses of extract in three models. Antihypoxic activity was especially pronounced in circulatory hypoxia where extract at 62.5 mg kg-1 prolonged the latency for death with respect to control group (p<0.01). The effect was dose dependent. At 250 mg kg-1, it prolonged the latency for death with the same activity of propranolol (20 mg kg-1), that used as positive control (p>0.05). Extract showed weak activity in haemic model. Only at the highest tested dose, 250 mg kg-1, it significantly prolonged latency for death with respect to control group (p<0.05). Extract at this dose showed the same activity of propranolol which used as positive control (p>0.05). In asphytic model, extract at the highest tested dose showed statistically significant activity respect to the control. At 250 mg kg-1, it significantly prolonged the latency for death (26.84 ± 4.11 vs. 19.45 ± 1.13 min, p = 0.0006). At 125 mg kg-1, it also prolonged survival time but this increase was not significantly different. Phenytoin that used as positive control kept mice alive for 29.60 ± 2.51 min (p<0.0001). Extract at 250 mg kg-1 showed the same activity of phenytoin (p>0.05). The total phenolic content was 342.9 ± 11.5 mg gallic acid equivalent/g of extract powder and flavonoid content was 90.2 ± 7.8 mg quercetin equivalent/g of extract powder. IC50 for DPPH radical-scavenging activity was 21.97 ± 2.4 mg/ml. The presence of polyphenols in this plant may be a proposal mechanism for reported antihypoxic activities.

scholarly journals Amauroderma rugosum(Blume & T. Nees) Torrend: Nutritional Composition and Antioxidant and Potential Anti-Inflammatory Properties

2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
Pui-Mun Chan ◽  
Gowri Kanagasabapathy ◽  
Yee-Shin Tan ◽  
Vikineswary Sabaratnam ◽  
Umah Rani Kuppusamy
Keyword(s):  
Submerged Culture ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Indigenous Communities ◽  
Antioxidant Potential ◽  
Raw264.7 Cells ◽  
Total Phenolic ◽  
No Production ◽  
Freeze Dried ◽  
Anti Inflammatory

Amauroderma rugosumis a wild mushroom that is worn as a necklace by the indigenous communities in Malaysia to prevent fits and incessant crying by babies. The aim of this study was to investigate the nutritive composition and antioxidant potential and anti-inflammatory effects ofA. rugosumextracts on LPS-stimulated RAW264.7 cells. Nutritional analysis of freeze-dried mycelia ofA. rugosum(KUM 61131) from submerged culture indicated a predominant presence of carbohydrates, proteins, dietary fibre, phosphorus, potassium, and sodium. The ethanol crude extract (EE), its hexane (HF), ethyl acetate (EAF), and aqueous (AF) fractions of mycelia ofA. rugosumgrown in submerged culture were evaluated for antioxidant potential and anti-inflammatory effects. EAF exhibited the highest total phenolic content and the strongest antioxidant activity based on 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) assays. HF showed dose-dependent inhibition of NO production in LPS-stimulated RAW264.7 cells and NO radical scavenging activity. Gas chromatographic analysis of HF revealed the presence of ethyl linoleate and ergosterol, compounds with known anti-inflammatory properties. In conclusion, the nutritive compositions and significant antioxidant potential and anti-inflammatory effects of mycelia extracts ofA. rugosumhave the potential to serve as a therapeutic agent or adjuvant in the management of inflammatory disorders.

scholarly journals Determination of Phenolic Compounds in Various Propolis Samples Collected from an African and an Asian Region and Their Impact on Antioxidant and Antibacterial Activities

Molecules ◽  
2021 ◽  
Vol 26 (15) ◽  
pp. 4589
Author(s):  
Soumaya Touzani ◽  
Hamada Imtara ◽  
Shankar Katekhaye ◽  
Hamza Mechchate ◽  
Hayat Ouassou ◽  
...  
Keyword(s):  
Cinnamic Acid ◽  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Antibacterial Properties ◽  
Reducing Power ◽  
Antibacterial Activities ◽  
Total Phenolic ◽  
Bacterial Strains ◽  
Photodiode Array Detection

The biological activities of propolis samples are the result of many bioactive compounds present in the propolis. The aim of the present study was to determine the various chemical compounds of some selected propolis samples collected from Palestine and Morocco by the High-Performance Liquid Chromatography–Photodiode Array Detection (HPLC-PDA) method, as well as the antioxidant and antibacterial activities of this bee product. The chemical analysis of propolis samples by HPLC-PDA shows the cinnamic acid content in the Palestinian sample is higher compared to that in Moroccan propolis. The results of antioxidant activity demonstrated an important free radical scavenging activity (2,2-Diphenyl-1-picrylhydrazyl (DPPH); 2,2′-azino-bis 3-ethylbenzothiazoline-6-sulphonic acid (ABTS) and reducing power assays) with EC50 values ranging between 0.02 ± 0.001 and 0.14 ± 0.01 mg/mL. Additionally, all tested propolis samples possessed a moderate antibacterial activity against bacterial strains. Notably, Minimum Inhibitory Concentrations (MICs) values ranged from 0.31 to 2.50 mg/mL for Gram-negative bacterial strains and from 0.09 to 0.125 mg/mL for Gram-positive bacterial strains. The S2 sample from Morocco and the S4 sample from Palestine had the highest content of polyphenol level. Thus, the strong antioxidant and antibacterial properties were apparently due to the high total phenolic and flavone/flavonol contents in the samples. As a conclusion, the activities of propolis samples collected from both countries are similar, while the cinnamic acid in the Palestinian samples was more than that of the Moroccan samples.

scholarly journals Tunisian Native Mentha pulegium L. Extracts: Phytochemical Composition and Biological Activities

Molecules ◽  
2022 ◽  
Vol 27 (1) ◽  
pp. 314
Author(s):  
Jed Jebali ◽  
Hanene Ghazghazi ◽  
Chedia Aouadhi ◽  
Ines ELBini-Dhouib ◽  
Ridha Ben Salem ◽  
...  
Keyword(s):  
Antioxidant Activities ◽  
Biological Activities ◽  
Radical Scavenging Activity ◽  
Radical Scavenging ◽  
Inhibition Zone ◽  
Antimicrobial Activities ◽  
Total Phenolic ◽  
Mentha Pulegium ◽  
Leaf Extracts ◽  
Traditional Remedies

Mint species (Lamiaceae family) have been used as traditional remedies for the treatment of several diseases. In this work, we aimed to characterize the biological activities of the total phenolic and flavonoid contents of Mentha pulegium L. extracts collected from two different regions of Tunisia. The highest amounts of total phenols (74.45 ± 0.01 mg GAE/g DW), flavonoids (28.87 ± 0.02 mg RE/g DW), and condensed tannins (4.35 ± 0.02 mg CE/g DW) were found in the Bizerte locality. Methanolic leaf extracts were subjected to HPLC-UV analysis in order to identify and quantify the phenolic composition. This technique allowed us to identify seven phenolic compounds: two phenolic acids and five flavonoid compounds, such as eriocitrin, hesperidin, narirutin, luteolin, and isorhoifolin, which were found in both extracts with significant differences between samples collected from the different regions (p < 0.05). Furthermore, our results showed that the methanolic extract from leaves collected from Bizerte had the highest antioxidant activities (DPPH IC50 value of 16.31 μg/mL and 570.08 μmol Fe2+/g, respectively). Both extracts showed high radical-scavenging activity as well as significant antimicrobial activity against eight tested bacteria. The highest antimicrobial activities were observed against Gram-positive bacteria with inhibition zone diameters and MIC values ranging between 19 and 32 mm and 40 and 160 µg/mL, respectively. Interestingly, at 10 μg/mL, the extract had a significant effect on cell proliferation of U87 human glioblastoma cells. These findings open perspectives for the use of Mentha pulegium L. extract in green pharmacy, alternative/complementary medicine, and natural preventive therapies for the development of effective antioxidant, antibacterial, and/or antitumoral drugs.

scholarly journals Antioxidant Evaluation and Chemo-Profiling of Non-conventional Curcuma Species as Conservation of Drug Targeting Molecule

2020 ◽  
Author(s):  
Akanksha Jain ◽  
Parag Jain
Keyword(s):  
Antioxidant Activities ◽  
Radical Scavenging Activity ◽  
Curcuma Longa ◽  
Group Analysis ◽  
Radical Scavenging ◽  
Reducing Power ◽  
Structural Features ◽  
Total Phenolic ◽  
Significant Difference

Abstract The objective of the present study was to determine and compare antioxidant activities of different species of Curcuma i.e. Curcuma longa, Curcuma caesia and Curcuma aromatic and their chemoprofiling for conservation of highest yield plants. The functional group analysis of the plants extract were determined by FTIR and structural features of phyto-constituents and Chemo-profiling of ethanol fractions of all targeted Curcuma species showing highest activity were analyzed by GC–MS/MS. Ethanolic extract of C. aromatica (ECA) was exhibited to determine high radical scavenging activity against DPPH (92.12%), lipid Peroxidation (85.13 ± 0.23%), nitric oxide scavenging, total reducing power (700.83 ± 8.14 μg/mg) and ferric reducing power assay. In ABTS·+ and phosphomolybdate assay Curcuma species showed a significant difference ranging from 67.53 – 98.57%. Furthermore, the amount of total phenolic and flavonoid content ranged from 3.63± 1.06 – 545.77 ± 2.76 μg/mg eq GAE and 21.18 –101.29 μg/mg eq QUE respectively. The results indicated that the ethanolic extracts showed highest in vitro antioxidant activity. It can be conclude from the study that Curcuma species may serve as an important bioresource as an antioxidant drug.

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