Yıl 2016, Cilt 2, Sayı 2, Sayfalar 41 - 7 2016-08-15

Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate
Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate

Ali Guler [1] , Ozlem Tokusoglu [2]

815 471

Objective: Koruk (sour grape) juice has a tart flavor and a strong acidity, owing to the acidifying flavoring properties and has an significant antioxidative agent.

Material and Methods: In this study; koruk juice utilizing in the production of new soft drinks including carbonated drinks, sherbet and ice tea products and their total phenolic contents, antioxidant activities and organic acid profiles were investigated.

Results: Depending on the proportion of koruk juice concentrate addition, the phenolics (TP) and DPPH antioxidant activity (AA) changed in the range of 27.30-365.64 mg/L, 18.42-83.33%, respectively.  It was determined that the most abundant organic acid type in soft drinks was malic acid and it represented more than 90% of total acidity in carbonated drinks and ice tea and 85% in sherbet.

Conclusion: Koruk juice is a potential antioxidant alternative for various range of products in soft drink sector.

Antioxidant, soft drinks; koruk juice; phenolic; organic acid
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Konular
Dergi Bölümü Original Articles
Yazarlar

Yazar: Ali Guler

Yazar: Ozlem Tokusoglu

Bibtex @ { nsd260094, journal = {Natural Science and Discovery}, issn = {2149-6307}, eissn = {2149-6307}, address = {Lycia Press Inc.}, year = {2016}, volume = {2}, pages = {41 - 7}, doi = {10.20863/nsd.33300}, title = {Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate}, key = {cite}, author = {Tokusoglu, Ozlem and Guler, Ali} }
APA Guler, A , Tokusoglu, O . (2016). Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate. Natural Science and Discovery, 2 (2), 41-7. DOI: 10.20863/nsd.33300
MLA Guler, A , Tokusoglu, O . "Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate". Natural Science and Discovery 2 (2016): 41-7 <http://dergipark.gov.tr/nsd/issue/24559/260094>
Chicago Guler, A , Tokusoglu, O . "Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate". Natural Science and Discovery 2 (2016): 41-7
RIS TY - JOUR T1 - Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate AU - Ali Guler , Ozlem Tokusoglu Y1 - 2016 PY - 2016 N1 - doi: 10.20863/nsd.33300 DO - 10.20863/nsd.33300 T2 - Natural Science and Discovery JF - Journal JO - JOR SP - 41 EP - 7 VL - 2 IS - 2 SN - 2149-6307-2149-6307 M3 - doi: 10.20863/nsd.33300 UR - http://dx.doi.org/10.20863/nsd.33300 Y2 - 2019 ER -
EndNote %0 Natural Science and Discovery Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate %A Ali Guler , Ozlem Tokusoglu %T Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate %D 2016 %J Natural Science and Discovery %P 2149-6307-2149-6307 %V 2 %N 2 %R doi: 10.20863/nsd.33300 %U 10.20863/nsd.33300
ISNAD Guler, Ali , Tokusoglu, Ozlem . "Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks with Koruk (Sour Grape) Concentrate". Natural Science and Discovery 2 / 2 (Ağustos 2016): 41-7. http://dx.doi.org/10.20863/nsd.33300