Impact of Organic Farming on Agronomic Crops Productivity, Grain Quality and Antioxidant Activity

2021 ◽  
pp. 75-87
Author(s):  
Amit Kesarwani ◽  
Sweta Shikta Mahapatra ◽  
Shih Shiung Chen
Keyword(s):  
Antioxidant Activity ◽  
Organic Farming ◽  
Grain Quality ◽  
Agronomic Crops

scholarly journals Efficacy of N-Methyl-N-Nitrosourea Mutation on Physicochemical Properties, Phytochemicals, and Momilactones A and B in Rice

2019 ◽  
Vol 11 (23) ◽  
pp. 6862 ◽  
Author(s):  
Kifayatullah Kakar ◽  
Tran Dang Xuan ◽  
Nguyen Van Quan ◽  
Imran Khan Wafa ◽  
Hoang-Dung Tran ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Functional Foods ◽  
Grain Quality ◽  
Antioxidant Activities ◽  
Total Phenolic ◽  
Rice Grain ◽  
Rice Cultivars ◽  
Phenolic Contents ◽  
Phytochemical Compounds ◽  
Beneficial Traits

Attempts regarding the improvement and development of novel rice with better quality and higher productivity have been increasing. Among approaches, mutation is a direct alteration on the genome and considered as one of the most beneficial routes to acquire new beneficial traits in rice. An experiment was carried out to explore the effects of N-methyl-N-nitrosourea (MNU) mutation on the antioxidant activities, phytochemical compounds, and momilactones A (MA) and B (MB) in rice. Two rice cultivars, K1 (an original cultivar DT84) and K2 (mutated DT84), were examined. Antioxidant activities, phenolic compounds, and momilactones of the rice grain, husk, and straw portions were measured and quantified. Antioxidant activities were higher in grain and straw of K2, whereas K1 showed greater antioxidant activity in rice husk. Additionally, K2 displayed higher total phenolic contents (TPC) in grain and straw as well as lower of it in the husk, but these variations significantly differed only in the straw portion. An increase in total flavonoid contents (TFC) was observed in the husk of K1, while K2 significantly enhanced TFC in straw. Both MA and MB, two compounds obtaining antidiabetes, anticancer, antimicrobial, antigout, and antiobesity properties, were detected and quantified in grain, husk, and straw of K1 and K2 samples. Generally, the contents of MA were higher than MB in all tested portions of rice crop. MA and MB were higher in straw followed by those in husk and grain, respectively. K2 contained higher amounts of MA and MB in straw and husk, but lower contents in grain compared with those in K1. This study illustrates that MNU mutation can improve grain quality and enhance bioactive compounds in straw, husk, and grain of rice. This approach has the potential to develop functional foods from rice, and therefore help farmers in developing countries to improve value in rice production.

The effect of organic farming on total phenols, total flavonoids, brown compounds and antioxidant activity of spent coffee grounds from Mexico

2019 ◽  
Vol 36 (2) ◽  
pp. 107-118 ◽  
Author(s):  
César Ozuna ◽  
Stanislav Mulík ◽  
Berenice Valdez-Rodríguez ◽  
Ma. del Rosario Abraham-Juárez ◽  
Claudia Lorena Fernández-López
Keyword(s):  
Antioxidant Activity ◽  
Organic Farming ◽  
Total Flavonoids ◽  
Total Phenols ◽  
Spent Coffee Grounds ◽  
Coffee Grounds

scholarly journals Antioxidant Activity, Color, Carotenoids Composition, Minerals, Vitamin C and Sensory Quality of Organic and Conventional Mandarin Juice, cv. Orogrande

2011 ◽  
Vol 17 (3) ◽  
pp. 241-248 ◽  
Author(s):  
P. Navarro ◽  
A.J. Pérez-López ◽  
M.T. Mercader ◽  
A.A. Carbonell-Barrachina ◽  
J.A. Gabaldon
Keyword(s):  
Antioxidant Activity ◽  
Vitamin C ◽  
Organic Farming ◽  
Sensory Quality ◽  
Good Source ◽  
Total Carotenoids ◽  
Trained Panel ◽  
Orange Color ◽  
Mandarin Juices

The effects of organic farming on antioxidant activity, CIE L*a*b* color, carotenoids composition, minerals contents, vitamin C and sensory quality of Orogrande mandarin juices were studied. Independent of the farming type, mandarin juices can be considered as good source of some important nutrients, such as potassium and antioxidant chemicals, for example, β-cryptoxanthin. Organic farming of mandarins resulted in juices with higher antioxidant activity, total carotenoids concentrations, minerals (Ca, K and Fe) contents, vitamin C content, more appealing and intense orange color and better sensory quality. For instance, organic Orogrande juice contained significantly (p < 0.001) higher total carotenoids content (22.7 ± 0.3 mg/L) than conventional juice (15.7 ± 0.4 mg/L); a similar pattern was observed for the antioxidant activity, with values being 0.076±0.004 and 0.053 ± 0.003 mM Trolox m/L in organic and convectional juices, respectively. A trained panel stated that organic Orogrande juices had higher intensities of orange color, fresh mandarin and floral aromas than conventional juices.

scholarly journals Yield and Some Pomological Characteristics of Organically Grown “Alyanak” and “Hasanbey” Apricots (Prunus armeniaca L.)

2018 ◽  
Author(s):  
Mehmet Polat
Keyword(s):  
Antioxidant Activity ◽  
Organic Farming ◽  
Fruit Size ◽  
Fruit Weight ◽  
Prunus Armeniaca ◽  
Total Phenolic ◽  
Yield Value ◽  
Soluble Solid ◽  
Yield Values ◽  
Organically Grown

This research was carried out to see the effects of organic farming and determine the yield and some pomological characteristics of apricots in Isparta, Turkey. Isparta province which is located in the west Mediterranean part of Turkey has also gained importance in terms of especially organic apricot production. Two apricot varieties (Hasanbey, Alyanak) were grown with organic farming practices in this study. These two varieties are table types apricot varieties commonly grown in Turkey&rsquo;s one of the world's major producers. In this research, pomological characteristics as fruit size (fruit height, fruit width, fruit weight, fruit length), fruit firmness, pH, total soluble solid (TSS) content, titrable acidity (TA) and yield values were determined. Total phenolic and antioxidant activity were also determined. Hasanbey cultivar had higher yield value (66.21 kg/tree) than Alyanak (45.71 kg/tree) cultivar. At the same time the total phenolic content of Hasanbey (307.12 mg GAE/100g) variety was determined higher than Alyanak (175.91 mg GAE/100g). Antioxidant activity of Alyanak and Hasanbey were determined as 32.86 mg/ml IC50 and 17.37 mg/ml IC50 respectively. In terms of observed characteristics, Hasanbey cultivar was found to be prominent in Isparta. It can also been recommended for other places similar to Isparta ecological conditions (highland climate).

scholarly journals Correlation between antioxidant activity and coffee beverage quality by Electron Spin Resonance Spectroscopic

2013 ◽  
Vol 37 (6) ◽  
pp. 495-501 ◽  
Author(s):  
Jeam Haroldo Oliveira Barbosa ◽  
Jorge Antonio Gómez Luna ◽  
Angela Mitie Otta Kinoshita ◽  
Oswaldo Baffa Filho
Keyword(s):  
Antioxidant Activity ◽  
Electron Spin Resonance ◽  
Electron Spin ◽  
Grain Quality ◽  
Electron Spin Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Quantitative Methodology ◽  
X Band ◽  
Spin Resonance ◽  
The World

Brazil is the largest producer of coffee in the world and coffee prices are directly linked to grain quality. In this work, the antioxidant activity of coffee was related to its quality through Electron Spin Resonance Spectroscopy (ESR), as an attempt to establish a non-subjective method to classify the grain quality. For that purpose, the IC50 and temporal monitoring of its non-oxidized fraction were determined for three bean qualities: Soft (High), Hard (Medium) and Rio (Low). Methanolic solution of 2,2-difenil-1-picril-hidrazila (DPPH), that has a stable radical and a JEOL FA-200 (X-Band) spectrometer were used for these tests. The temporal monitoring of reaction between radical and coffee was performed. The rate of reduced or of antioxidated radicals was determined on time and for each coffee beverage quality were found different slopes of curve: Soft (0.32±0.02), Hard (0.47±0.02) and Rio (0.60±0.02). The IC50 result of Rio quality (2.7 ± 0.9) was different from the Soft (7.8 ± 1.9) and Hard (6.5 ± 1.5) values, but there was no difference between the High and Medium results due to the uncertainty associated. Therefore the results found, mainly for monitoring temporal, establish a new quantitative methodology for classifying the coffee beverage quality.

scholarly journals Chemical and mineral characteristics, bioactive compounds and antioxidant activity of blackberries grown in an organic system

2020 ◽  
Vol 11 ◽  
pp. e3272
Author(s):  
Rafaela Schmidt Souza ◽  
Carlos Roberto Martins ◽  
Luis Eduardo Corrêa Antunes ◽  
Márcia Vizzotto ◽  
Ana Cristina Richter Krolow ◽  
...  
Keyword(s):  
Antioxidant Activity ◽  
Phenolic Compounds ◽  
Organic Farming ◽  
Bioactive Compounds ◽  
Block Design ◽  
Farming System ◽  
Anthocyanin Content ◽  
Organic System ◽  
Mineral Characteristics ◽  
Organic Farming System

Blackberry bushes have increasingly drawn producers’ and consumers’ interest since they find their cultivation characteristics, production and nutraceutical qualities advantageous. Both chemical and mineral characteristics, bioactive compounds and antioxidant activity found in blackberries are extremely relevant factors to be considered when cultivars are chosen. Chemical analyses of the nutritional composition of fruit is important, since they can help studies of quality genotypes. Besides, fruit with high nutritional values contribute to human health when they are often consumed. This study aimed at evaluating chemical and mineral characteristics, besides bioactive compounds and antioxidant activity, of different blackberry bush genotypes grown in an organic farming system in Pelotas, Rio Grande do Sul (RS), Brazil. Production, soluble solid content, hydrogenionic potential, total titratable acidity, SS/TA ratio, minerals, phenolic compounds, anthocyanins and antioxidant activity of six blackberry bush genotypes – ‘Tupy’, ‘BRS Xingu’, Selection Black 178, Selection Black 128, Selection Black 112 and Selection Black 145 – were evaluated. It was a randomized block design with three replicates of every plant. Selection Black 178 yielded fruits with the highest value of SS/TA ratio and had the highest accumulated production. The highest anthocyanin content was found in ‘BRS Xingu’. Selection Black 112 had the highest total contents of phenolic compounds and the highest antioxidant activity, whereas ‘Tupy’ exhibited their lowest values. Selection Black 178 adapted well to the organic farming system, a fact that did not happen to Selection Black 128.

Improvement of cytoprotective and antioxidant activity of Rosa canina L. and Salix alba L. by controlled differential sieving process against H2O2-induced oxidative stress in mouse primary splenocytes

2017 ◽  
Vol 87 (3-4) ◽  
pp. 191-200 ◽  
Author(s):  
Nidhal Soualeh ◽  
Aliçia Stiévenard ◽  
Elie Baudelaire ◽  
Rachid Soulimani ◽  
Jaouad Bouayed
Keyword(s):  
Antioxidant Activity ◽  
Antioxidant Activities ◽  
Biological Activities ◽  
Good Alternative ◽  
Activity Levels ◽  
Salix Alba ◽  
Rosa Canina ◽  
Free Process ◽  
Plant Powders ◽  
Sieving Process

Abstract. In this study, cytoprotective and antioxidant activities of Rosa canina (RC) and Salix alba (SA), medicinal plants, were studied on mouse primary splenocytes by comparing Controlled Differential Sieving process (CDSp), which is a novel green solvent-free process, versus a conventional technique, employing hydroethanolic extraction (HEE). Thus, preventive antioxidant activity of three plant powders of homogeneous particle sizes, 50–100 µm, 100–180 µm and 180–315 µm, dissolved directly in the cellular buffer, were compared to those of hydroethanolic (HE) extract, at 2 concentrations (250 and 500 µg/mL) in H2O2-treated spleen cells. Overall, compared to HE extract, the superfine powders, i. e., fractions < 180 µm, at the lowest concentration, resulted in greater reactive oxygen species (ROS) elimination, increased glutathione peroxidase (GPx) activity and lower malondialdehyde (MDA) production. Better antioxidant and preventive effects in pre-treated cells were found with the superfine powders for SA (i. e., 50–100 µm and 100–180 µm, both p < 0.001), and with the intermediate powder for RC (i. e., 100–180 µm, p < 0.05) versus HE extract. The activity levels of catalase (CAT) and superoxide dismutase (SOD) in pretreated splenocytes exposed to H2O2, albeit reduced, were near to those in unexposed cells, suggesting that pretreatment with the fine powders has relatively restored the normal levels of antioxidant-related enzymes. These findings supported that CDSp improved the biological activities of plants, avoiding the use of organic solvents and thus it could be a good alternative to conventional extraction techniques.

Oxalate Content and Antioxidant Activity of Different Ethnic Foods

2021 ◽  
Vol 31 (1) ◽  
pp. 73-79
Author(s):  
Azalia Avila-Nava ◽  
Isabel Medina-Vera ◽  
Pamela Rodríguez-Hernández ◽  
Martha Guevara-Cruz ◽  
Pamela K. Heredia-G Canton ◽  
...  
Keyword(s):  
Antioxidant Activity
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