Effects of Clarification and Pasteurization on the Phenolics, Antioxidant Capacity, Color Density and Polymeric Color of Black Carrot (D aucus Carota  L.) Juice

2015 ◽  
Vol 39 (5) ◽  
pp. 528-537 ◽  
Author(s):  
Ufuk Dereli ◽  
Meltem Türkyilmaz ◽  
Oktay Yemiş ◽  
Mehmet Özkan
Keyword(s):  
Antioxidant Capacity ◽  
Black Carrot ◽  
Color Density ◽  
Polymeric Color

scholarly journals Storage stability of encapsulated anthocyanin-rich extract from black carrot (Daucus carota ssp. Sativus) using different coating materials

2019 ◽  
Vol 7 (1) ◽  
pp. 53-61 ◽  
Author(s):  
Brij Bhushan Mishra ◽  
Avinash Singh Patel ◽  
Abhijit Kar
Keyword(s):  
Antioxidant Activity ◽  
Antioxidant Capacity ◽  
Soy Protein ◽  
Daucus Carota ◽  
Storage Stability ◽  
Anthocyanin Content ◽  
Spray Drier ◽  
Coating Materials ◽  
Black Carrot ◽  
Jack Fruit Seed

The enzymatic assisted cum hydraulic pressed extract of black carrot which has high anthocyanin content were encapsulated through spray drier using a mixture of Jack fruit seed starch, Soy protein and NBRE-15 (SET -1) and in the second set of experiment using Jack fruit seed starch, Whey protein and NBRE-15 (SET-2) as coating materials. The quality attributes of the powders which were produced at an optimum mixture of SET -1 and SET-2 were characterized by anthocyanin content, antioxidant capacity and L*, a*, b*, C and Hº value. It was reported that SET-1 was found better-encapsulating material as compared to SET-2. SET-1 had higher retention of anthocyanin content, colour, antioxidant activity during storage at 25 ºC.

scholarly journals Farklı Maviyemiş Çeşitlerinden (Vaccinum Sp.) Üretilen Reçel ve Marmelatın Bazı Özelliklerinin Belirlenmesi

2021 ◽  
Vol 9 (5) ◽  
pp. 937-945
Author(s):  
Emine Kübra Güzel ◽  
Cemal Kaya ◽  
Esra Esin Yücel ◽  
Mustafa Bayram
Keyword(s):  
Antioxidant Capacity ◽  
Total Phenolics ◽  
Storage Period ◽  
Total Phenolic ◽  
Phenolic Substance ◽  
Total Anthocyanin ◽  
Total Antioxidant ◽  
Total Anthocyanins ◽  
Phenolics Content ◽  
Polymeric Color

In this study, seasonal fruits belonging to two different varieties of Blueberry (Brigitta and Darrow) grown in Turkey were processed into jam and marmalade in order to ensure their availability throughout the year. It is aimed to examine the changes in the phytochemical properties of the obtained products during the storage period, such as total phenolic substance, total anthocyanin and antioxidant capacity, which are extremely important in terms of nutrition and health. Total phenolics content (TPC), total antioxidant capacity (TEAC and FRAP), total anthocyanins (TA), polymeric color (PC) and hydroxymethylfurfural (HMF) analyses were performed in fresh currant fruits at the beginning of the storage. Also, the same analyses were carried out on jams and marmalades at the end of 6-month storage period. During storage, the amount of total phenolic compounds, TEAC value, FRAP value and amount of anthocyanin values for jam and marmelade samples varied between respectively are 178.68-518.45 μg GAE/g; 1.16-11.60 μmol TE/g; 1.83-10.33 μmol TE/g; 7.35-298.22 µg cy-3 glu/g. Darrow blueberry samples had the highest values in the all types of blueberry jam and marmelade during storage. At the end of 6 months of storage period, it was observed to jam and marmalade samples of Darrow variety had the highest increase (124% and 73%) in terms of polymeric color value, on the other hand jam and marmalade samples of Brigitta variety had the highest increase (65% and 87%) in terms of HMF value.

scholarly journals Effects of Blueberry and Black Carrot Extracts Addition on Antioxidant Properties and Protein-Precipitating Capacity of Ultrasound-Treated Cider

Processes ◽  
2020 ◽  
Vol 8 (7) ◽  
pp. 812
Author(s):  
Boris Brezan ◽  
Carmen Liliana Bădărău ◽  
Alexandru Woinaroschy
Keyword(s):  
Antioxidant Capacity ◽  
Radical Scavenging Activity ◽  
Colorimetric Method ◽  
Antioxidant Properties ◽  
Radical Scavenging ◽  
Total Phenolic ◽  
Constant Frequency ◽  
Antioxidant Power ◽  
Mean Values ◽  
Black Carrot

The results presented in this study highlight the level of total phenolic content (TPC), total flavonoid content (TFC) and protein-precipitating capacity (PPC) correlated with the antioxidant capacity of new cider varieties enriched with valuable bio compounds by the addition of blueberry and black carrot extracts. The cider variants were treated with ultrasound (constant frequency of 20 kHz) at 20%, 30% and 40% amplitude (A) for two, five or seven minutes. TPC determination was performed by Folin–Ciocâlteu method and TFC was determined by an aluminum chloride colorimetric method. The antioxidant capacity was determined by ferric-reducing antioxidant power assay (FRAP), ABTS (2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)) assay and DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity. The results showed that the antioxidant performance indicators (FRAP, ABTS and DPPH) were positively correlated with the TPC and TFC of the ultrasound-treated cider variants, suggesting that the content of these bio compounds may be improved by the treatments applied. The highest mean values for TPC and TFC were found in the cider variant enriched with black carrot extract (0.3%, v/v), subsequently ultrasound-treated (A20%, five minutes) Conclusively, the extracts used in this study could improve the antioxidant capacity of the cider, especially in case of variants ultrasound-treated.

scholarly journals Bioactive Compounds and Antioxidant Capacity in Anthocyanin-Rich Carrots: A Comparison between the Black Carrot and the Apulian Landrace “Polignano” Carrot

Plants ◽  
2021 ◽  
Vol 10 (3) ◽  
pp. 564
Author(s):  
Federica Blando ◽  
Stefano Marchello ◽  
Gabriele Maiorano ◽  
Miriana Durante ◽  
Angelo Signore ◽  
...  
Keyword(s):  
Antioxidant Capacity ◽  
Bioactive Compounds ◽  
Fruits And Vegetables ◽  
Anthocyanin Content ◽  
Total Anthocyanin ◽  
Black Carrot ◽  
Total Anthocyanin Content ◽  
Acylated Anthocyanins ◽  
High Level ◽  
Β Carotene

The carrot is one of the most cultivated vegetables in the world. Black or purple carrots contain acylated anthocyanins which are of special interest to the food industry for their stability and nutraceutical characteristics. Anthocyanin-rich fruits and vegetables have gained popularity in the last ten years, due to the health benefits they provide. In this paper, the characterizations of the bioactive compounds and antioxidant capacities of different anthocyanin-containing carrots (a black carrot—BC, and a local purple carrot, the “Polignano” carrot—PC), compared to the commercial orange carrot (OC) (lacking of anthocyanins), are reported. The anthocyanin profiles of the polyphenolic extracts of BC and PC were similar, but differences were observed at quantitative levels. The total anthocyanin content in BC was more than twice that in PC (13.84 ± 0.61 vs. 5.64 ± 0.48 mg K Eq. g−1 DW). Phenolic acids (mostly chlorogenic acid) were also present at high level in anthocyanin-rich carrots compared to OC. High polyphenol content accounted also for a high reducing capacity (evaluated by Folin–Ciocalteu reagent, FCR), and antioxidant capacity (evaluated by TEAC and ORAC assays) which were the highest for BC (FCR value: 16.6 ± 1.1 mg GAE. g−1 DW; TEAC: 76.6 ± 10.6 µmol TE. g−1 DW; ORAC: 159.9 ± 3.3 µmol TE. g−1 DW). All carrot genotypes (mostly OC) were rich in carotenoids (BC 0.14 ± 0.024; PC 0.33 ± 0.038; OC 1.29 ± 0.09 mg. g−1 DW), with predominance of α and β-carotene, in OC, and lutein in BC. PC showed the highest malic acid and sugar (glucose plus fructose) content. In conclusion, while BC is remarkable for nutraceutical features, the local genotype (“Polignano” carrot) is worth considering in genetic biodiversity conservation programme.

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