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Akgül Taş
Bolu Abant Izzet Baysal University, Seben Izzet Baysal Vocational School, Department of Plant and Animal Production, Bolu, Turkey

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Journal article
Published: 18 June 2021 in Journal of Food Composition and Analysis
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The effects of putrescine (0.4, 0.8, 1.2 and 1.6 mM) on quality and bioactive compounds of peach fruit (cv. Monley) are the focus of this study. Fruits were stored at 0 ± 0.5 °C and 90 ± 5% relative humidity for 40 days. In the controls, increases in weight loss, decay and soluble solids concentration, and decreases in fruit density, firmness, titratable acidity, pH, respiration rate and L*, a*, b*, C* and H° detected higly throughout storage period. All these properties examined were delayed importantly after putrescine treatments. It was observed that the phenolics, vitamin C and organic acid contents of fruits in general decreased during storage. All doses of putrescine prevented the breakdown of phenolic compounds more than the control group. The least changes in chlorogenic acid (9.26 mg 100g-1) and rutin (5.74 mg 100g-1) contents on the 40th day were obtained in 1.6 mM. Malic acid, which is the dominant organic acid of fruits, was determined as 6.73 and 8.61 g kg-1 in the treatments of 1.2-1.6 mM putrescine on the 40th day, respectively. It was noted that 1.6 mM (12.90 mg 100g-1) application prevented the breakdown of vitamin C more than the control group (6.10 mg 100g-1).

ACS Style

Hakan Kibar; Akgül Taş; Muttalip Gündoğdu. Evaluation of biochemical changes and quality in peach fruit: Effect of putrescine treatments and storage. Journal of Food Composition and Analysis 2021, 102, 104048 .

AMA Style

Hakan Kibar, Akgül Taş, Muttalip Gündoğdu. Evaluation of biochemical changes and quality in peach fruit: Effect of putrescine treatments and storage. Journal of Food Composition and Analysis. 2021; 102 ():104048.

Chicago/Turabian Style

Hakan Kibar; Akgül Taş; Muttalip Gündoğdu. 2021. "Evaluation of biochemical changes and quality in peach fruit: Effect of putrescine treatments and storage." Journal of Food Composition and Analysis 102, no. : 104048.

Journal article
Published: 28 May 2021 in Sustainability
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The importance of biochemical content of fruits in human health and nutrition is understood more and more day by day. In this study, new local varieties were added to apple genetic resources and the correlation between biochemical contents and agro-morphological properties of fruits belonging to them was revealed. It was observed that the total phenolics amount varied between 20.13 (“Bag”) mg GAE kg−1 and 80.59 (“Yeşil”) mg GAE kg−1. The highest total antioxidant capacity was determined as 90.96% in “Yeşil” variety. Potassium (K) content, which is among the macronutrients, was determined as the highest value in “Bağ” variety (7993.31 mg kg−1) and in “Zuza” variety (7983.31 mg kg−1). It was determined that the Fe content (iron) varied between as 14.17 mg kg−1 (“Zuza”) and 5.75 mg kg−1 (“Bağ”) and was higher than other micronutrients. In the light of the results obtained in this study, it was concluded that fruits belonging to new local apple varieties are rich in biochemical contents and these varieties can be used as genetic resources in plant breeding studies.

ACS Style

Idris Macit; Erol Aydın; Akgul Tas; Muttalip Gundogdu. Fruit Quality Properties of the Local Apple Varieties of Anatolia. Sustainability 2021, 13, 6127 .

AMA Style

Idris Macit, Erol Aydın, Akgul Tas, Muttalip Gundogdu. Fruit Quality Properties of the Local Apple Varieties of Anatolia. Sustainability. 2021; 13 (11):6127.

Chicago/Turabian Style

Idris Macit; Erol Aydın; Akgul Tas; Muttalip Gundogdu. 2021. "Fruit Quality Properties of the Local Apple Varieties of Anatolia." Sustainability 13, no. 11: 6127.

Journal article
Published: 08 January 2021 in Plants
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In recent years, significant portions of the fresh fruits and vegetables produced worldwide have been decaying before reaching the consumer because of insufficient preservation after harvest. In this direction, we carried the study out to investigate the effect of gibberellic acid (GA3) and 1-methyl cyclopropane (1-MCP) applications on phenolic compounds and organic acid contents of the strawberry fruits (cv. Albion) during shelf-life. Gibberellic acid treatments, which prepared in two different concentrations (50 and 100 ppm), were performed by spraying the leaves before harvest. 1-methyl cyclopropane applied after harvest. The results of the study showed a greater decrease in organic acids (except oxalic and succinic acid) in Gibberellic acid-applied fruits during shelf-life. Citric acid was recorded as the most abundant organic acid in the control group. In phenolic compounds, gallic acid (15.22 mg 100 g−1) and ellagic acid (9.38 mg 100 g−1) were recorded as the highest phenolic compounds on the third day. 1-MCP and GA3 (50 ppm) + 1-MCP treatment reduced the breakdown of vitamin C during the shelf-life of strawberry fruits compared to the control group. As a result, phenolic compounds, vitamin C, and organic acids decreased during the shelf-life, and 1-MCP applications slowed down the breakdown of these compounds.

ACS Style

Akgül Taş; Selma Kuru Berk; Erdal Orman; Muttalip Gundogdu; Sezai Ercişli; Neva Karatas; Tunde Jurikova; Anna Adamkova; Sarka Nedomova; Jiri Mlcek. Influence of Pre-Harvest Gibberellic Acid and Post-Harvest 1-Methyl Cyclopropane Treatments on Phenolic Compounds, Vitamin C and Organic Acid Contents During the Shelf Life of Strawberry Fruits. Plants 2021, 10, 121 .

AMA Style

Akgül Taş, Selma Kuru Berk, Erdal Orman, Muttalip Gundogdu, Sezai Ercişli, Neva Karatas, Tunde Jurikova, Anna Adamkova, Sarka Nedomova, Jiri Mlcek. Influence of Pre-Harvest Gibberellic Acid and Post-Harvest 1-Methyl Cyclopropane Treatments on Phenolic Compounds, Vitamin C and Organic Acid Contents During the Shelf Life of Strawberry Fruits. Plants. 2021; 10 (1):121.

Chicago/Turabian Style

Akgül Taş; Selma Kuru Berk; Erdal Orman; Muttalip Gundogdu; Sezai Ercişli; Neva Karatas; Tunde Jurikova; Anna Adamkova; Sarka Nedomova; Jiri Mlcek. 2021. "Influence of Pre-Harvest Gibberellic Acid and Post-Harvest 1-Methyl Cyclopropane Treatments on Phenolic Compounds, Vitamin C and Organic Acid Contents During the Shelf Life of Strawberry Fruits." Plants 10, no. 1: 121.

Journal article
Published: 10 November 2020 in Agronomy
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In this study, agro-morphological, sensory and biochemical characteristics of 23 plum genotypes belonging to Prunus spinosa L. subsp. dasyphylla (Schur) Domin growing wild in the West Black Sea Region in Turkey were investigated. Agro-morphological, sensory and biochemical properties of genotypes were highly different from each other. Principal component analysis was performed to determine the correlation between these properties and genotypes. The variation in the study was determined to be 63.5% in agro-morphological properties, 53.8% in organic acids and 46% in phenolic compounds. In terms of fruit weight, 14BLM08 genotype (38.42 g) was determined to be superior to other genotypes. The fruit firmness value, which is important in the storage of fruits, was recorded as the highest in the 14BLM14 genotype (9.07 kg/cm2). Chlorogenic acid was higher than the other phenolic compounds and the highest value was obtained in the 14BLM20 (11.45 mg/kg) genotype. It was recorded that the value of malic acid, which is the major organic acid of the plums, varied between 269.65–1294.64 mg/100 g. Genotypes showed diverse vitamin C content, and the highest value was found in the 14BLM18 genotype as 54.42 mg/100g. Each genotype showed superiority according to the type of traits, and thus breeders may have used these genotypes as the superior ones for specific plum breeding purposes. In addition, these genotypes could be satisfactorily used in domestication.

ACS Style

Selma Kuru Berk; Akgul Tas; Erdal Orman; Muttalip Gundogdu; Tomas Necas; Ivo Ondrasek; Neva Karatas; Sezai Ercisli. Agro-Morphological and Biochemical Characterization of Wild Prunus spinosa L. Subsp. dasyphylla (Schur) Domin Genotypes Naturally Grown in Western Black Sea Region of Turkey. Agronomy 2020, 10, 1748 .

AMA Style

Selma Kuru Berk, Akgul Tas, Erdal Orman, Muttalip Gundogdu, Tomas Necas, Ivo Ondrasek, Neva Karatas, Sezai Ercisli. Agro-Morphological and Biochemical Characterization of Wild Prunus spinosa L. Subsp. dasyphylla (Schur) Domin Genotypes Naturally Grown in Western Black Sea Region of Turkey. Agronomy. 2020; 10 (11):1748.

Chicago/Turabian Style

Selma Kuru Berk; Akgul Tas; Erdal Orman; Muttalip Gundogdu; Tomas Necas; Ivo Ondrasek; Neva Karatas; Sezai Ercisli. 2020. "Agro-Morphological and Biochemical Characterization of Wild Prunus spinosa L. Subsp. dasyphylla (Schur) Domin Genotypes Naturally Grown in Western Black Sea Region of Turkey." Agronomy 10, no. 11: 1748.