Volatile and Antioxidant Compounds of Beetroot Powder Obtained by Dehumidified Air Spray Drying of Cloudy Juice
Abstract
:Featured Application
Abstract
1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Spray Drying
2.3. Analytical Methods
2.3.1. Analysis of Aromatic Compounds
2.3.2. Dry Matter Content
2.3.3. Phenolic Content
2.3.4. Betalain Content
2.3.5. Antioxidant Capacity
CUPRAC Reducing Capacity
Antioxidant Activity
CBA Crocine-Bleaching Assay
Fe (II) Chelating Activity
2.4. Statistical Methods
3. Results and Discussion
3.1. Analysis of Aromatic Compounds
3.2. Phenolic Content
3.3. Betalain Content
3.4. Antioxidant Activity
4. Conclusions
- The powders obtained at a lower temperature (90 °C) without carriers were characterized by the highest share of aromatic volatile compounds, the highest content of betalains and polyphenols and the highest antioxidant activity.
- The addition of carriers (including the variant with added pomace as a natural type of carrier) did not indicate the protection of the active substances present in the juice. The powders obtained with carrier addition compared with those without the carrier addition were characterized by a lower antioxidant activity, lower content of betalains and polyphenols and a lower amount of aromatic volatile compounds.
- No significant differences were found in the content of bioactive and aromatic compounds between powders obtained using different carriers (skim milk powder, Nutriose, maltodextrin and kleptose).
- The high content of betalains indicates the high coloring ability of the powders obtained at a lower temperature (90 °C). Such high coloring power makes it possible to reduce the dosage of dyes to the product. Due to the current clean label trend, the industry needs natural pure dyes.
- Due to the high residue of active substances, low-temperature spray drying using dehumidified air seems to be valuable for the production of dietary supplements and medicines.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Variant | Juice Type | Carrier | Inlet/Outlet Temperature [°C] |
---|---|---|---|
MJ130 | Cloudy juice mixed with beetroot waste | Not added | 130/80 |
J130 | Cloudy juice | Not added | 130/80 |
J90 | Cloudy juice | Not added | 90/55 |
J90c | Concentrated cloudy juice | Not added | 90/55 |
JM130 | Cloudy juice | Milk powder | 130/80 |
JN130 | Cloudy juice | Nutriose | 130/80 |
JMD130 | Cloudy juice | Maltodextrin | 130/80 |
JK130 | Cloudy juice | Kleptose | 130/80 |
Group of Compounds | Compound Name | MJ130 mg/100 g Solids | J130 mg/100 g Solids | J90 mg/100 g Solids | J90c mg/100 g Solids |
---|---|---|---|---|---|
Aldehydes | Pentanal | 16.89 ± 0.19 a | 12.23 ± 3.52 a | 4.91 ± 0.19 a | nd |
Nonanal | 32.22 ± 1.09 b | nd | 12.74 ± 1.09 a | 8.95 ± 1.88 a | |
Octanal | nd | nd | nd | 1.43 ± 0.35 a | |
Decanal | nd | nd | nd | 4.72 ± 0.42 a | |
Benzene | nd | nd | 2.39 ± 0.12 b | 1.02 ± 0.21 a | |
acetaldehyde | |||||
3-furaldehyde | nd | 142.79 ± 36.63 a | nd | nd | |
2-furan | 37.44 ± 3.72 b | nd | 6.69 ± 1.23 a | nd | |
carboxaldehyde | |||||
5-methyl furfural | 5.59 ± 1.55 a | nd | 2.27 ± 0.20 a | nd | |
5-methyl-2-furancarboxaldehyde | 9.24 ± 0.55 a | 104.23 ± 14.24 b | nd | nd | |
5-(hydroxymethyl)-2-furancarboxaldehyde | 77.28 ± 10.74 b | 175.10 ± 12.93 a | 20.37 ± 0.57 c | nd | |
Total aldehydes | 178.66 ± 11.41 b | 434.35 ± 67.32 c | 54.01 ± 5.33 a | 16.12 ± 2.86 a | |
Alcohols | 1-hydroxy-2-propanone | 29.53 ± 0.36 a | 93.27 ± 13.95 b | 11.47 ± 0.51 a | nd |
2-furanmethano | 17.33 ± 3.64 b | 57.82 ± 1.56 a | 3.89 ± 0.18 c | 0.87 ± 0.05 d | |
cis-1,2-cyclohexanediol | nd | 7.08 ± 0.46 a | nd | nd | |
5-methyl-2-furanmethanol | 17.31 ± 1.16 a | nd | nd | nd | |
2-cyclohexen-1-ol | 6.79 ± 1.74 a | nd | nd | nd | |
E-11,13-tetradecadien-1-ol | 9.45 ± 2.47 a | nd | nd | nd | |
1,4-butanediol | 3.53 ± 0.43 a | 3.08 ± 0.82 a | nd | nd | |
6-methyl-2-pyrazinylmethanol | 22.04 ± 0.22 b | nd | nd | 1.58 ± 0.07 a | |
2,4-dimethyl-3-pentanol | nd | nd | nd | 9.23 ± 1.58 a | |
1-hexanol | nd | nd | nd | 0.84 ± 0.04 a | |
1-octanol | nd | nd | nd | 0.31 ± 0.02 a | |
1-nonanol | nd | nd | nd | 0.49 ± 0.10 a | |
1-hexadecanol | nd | nd | nd | 0.35 ± 0.09 a | |
Phenol | nd | nd | 6.02 ± 0.07 b | 0.65 ± 0.02 a | |
Cyclopropyl carbinol | nd | nd | nd | 0.90 ± 0.04 a | |
2-phenoxy- ethanol | nd | nd | nd | 0.66 ± 0.03 a | |
Total alcohols | 105.98 ± 7.01 b | 161.25 ± 20.13 c | 21.39 ± 0.57 a | 15.05 ± 2.16 a | |
Esters | N-hydroxy-Benzenecarboximidic acid methyl ester | 22.06 ± 1.52 b | 32.44 ± 2.36 c | 15.19 ± 0.23 b | 3.40 ± 0.08 a |
Isopropyl myristate | 6.52 ± 0.23 a | nd | nd | nd | |
Hexadecanoic acid methyl ester | 10.47 ± 1.71 a | nd | 5.63 ± 0,11 a | nd | |
Hexadecanoic acid ethyl ester | nd | nd | nd | 1.27 ± 0.15 a | |
2-oxo-Propanoic acid methyl ester | nd | nd | 1.33 ± 0.20 a | nd | |
oxiranyl 2-Propenoic acid methyl ester | nd | 13.04 ± 1.58 a | nd | nd | |
4-methyl-2,3-Pentanedione | nd | 11.23 ± 0.59 a | nd | nd | |
9-oxo-Nonanoic acid methyl ester | nd | nd | nd | 1.00 ± 0.08 a | |
Total esters | 39.05 ± 0.60 c | 56.70 ± 4.73 d | 22.15 ± 0.77 b | 5.67 ± 0.22 a | |
Lactones | Butyrolactone | 7.45 ± 1.42 a | 15.61 ± 0.61 b | 4.94 ± 0.03 a | nd |
2-hydroxy-gamma-butyrolactone | 12.22 ± 0.33 bc | 17.28 ± 3.97 c | 4.23 ± 0.60 ab | 0.55 ± 0.08 a | |
Total lactones | 19.67 ± 2.47 bc | 32.89 ± 6.47 c | 9.17 ± 0.80 ab | 0.55 ± 0.08 a | |
Hydrocarbones | 2-methyl-Cyclopentanone, | nd | nd | 1.71 ± 0.15 a | nd |
Total hydrocarbones | nd | nd | 1.71 ± 0.15 a | nd | |
Ketones | 6-oxa-bicyclo [3.1.0]hexan-3-one | 16.49 ± 1.08 b | 12.77 ± 0.61 b | 2.26 ± 0.12 a | nd |
2,5-dimethyl-4-hydroxy-3(2H)-furanone | 1.42 ± 0.32 a | 12.03 ± 0.62 a | 1.02 ± 0.04 b | nd | |
2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one | 5.59 ± 0.58 b | 81.79 ± 20.00 a | nd | nd | |
3,4-octanedione | nd | 7.51 ± 3.03 a | nd | nd | |
3-penten-2-one, 3-(2-furanyl) (3Z)-3-(2-Furyl)-3-penten-2-one | nd | 3.86 ± 1.86 a | nd | nd | |
dihydro-2(3H)-furanone | nd | nd | nd | 1.64 ± 0.00 a | |
Total ketones | 23.51 ± 1.16 a | 117.97 ± 35.18 b | 3.29 ± 0.23 a | 1.64 ± 0.00 a | |
Acids | Trans 2-hexenoic acid | nd | 14.82 ± 6.11 a | nd | nd |
Total acids | nd | 14.82 ± 6.11 a | nd | nd | |
Others | Dimethyl sulfoxide | nd | nd | 3.99 ± 0.38 b | 0.72 ± 0.10 a |
Methanesulfonyl chloride | nd | 5.57 ± 1.43 a | nd | nd | |
2-formyl-5-hydroxypyridine | nd | 4.19 ± 0.29 a | 4.65 ± 0.37 a | nd | |
Borane, chlorodipropyl- | nd | nd | nd | 2.44 ± 0.03 a | |
Total others | nd | 9.76 ± 1.72 b | 8.64 ± 0.75 b | 3.16 ± 0.11 a | |
Total | 366.86 ± 5.12 b | 827.74 ± 2.89 c | 120.36 ± 8.6 a | 42.19 ± 5.43 a |
Group of Compounds | Compound Name | JM130 mg/100 g Honey Solids | JN130 mg/100 g Solids | JMD130 mg/100 g Solids | JK130 mg/100 g Solids |
---|---|---|---|---|---|
Aldehydes | Pentanal | nd | 34.72 ± 2.16 a | 73.60 ± 8.22 b | nd |
Hexanal | 266.98 ± 19.62 c | 120.06 ± 16.62 b | 35.38 ± 0.87 a | 24.14 ± 0.35 a | |
Octanal | 19.25 ± 2.05 a | nd | nd | nd | |
Nonanal | 18.42 ± 0.12 b | 36.25 ± 0.70 c | 9.22 ± 1.16 a | nd | |
5-methyl furfural | 2.00 ± 0.31 a | nd | nd | 5.93 ± 0.14 b | |
2-furancarboxaldehyde | nd | 21.09 ± 0.47 a | nd | nd | |
5-methyl-2-furancarboxaldehyde, | nd | nd | 36.95 ± 31.42 a | nd | |
5-(hydroxymethyl)-2-furancarboxaldehyde | 28.13 ± 6.07 a | nd | 54.57 ± 11.52 b | nd | |
Total aldehydes | 334.78 ± 28.00 b | 212.13 ± 19.96 ab | 209.72 ± 53.19 ab | 97.42 ± 0.52 a | |
Alcohols | 1-hydroxy-2-propanone | 7.74 ± 1.36 a | 42.88 ± 5.49 b | 83.78 ± 5.49 c | 66.62 ± 1.36 bc |
2-amino-1,3-propanediol | nd | nd | nd | 2.48 ± 0.28 a | |
2-furanmethanol | 6.00 ± 0.30 a | 14.79 ± 1.79 a | 25.13 ± 1.29 b | 59.29 ± 3.30 c | |
Cyclopropyl carbinol | 5.19 ± 1.11 a | nd | nd | 64.40 ± 2.46 b | |
4H-pyran-4-one, 2,3-dihydro-3,5-dihydroxy-6-methyl- | nd | nd | nd | 14.72 ± 1.17 a | |
4H-pyran-4-one, 3-hydroxy-2-methyl- | 1.93 ± 0.37 a | nd | nd | nd | |
1-hexanol | 8.36 ± 0.40 a | 25.07 ± 2.20 b | nd | nd | |
1-heptanol | 2.59 ± 0.31 a | nd | nd | nd | |
1-octanol | 7.03 ± 0.00 a | nd | 7.39 ± 0.54 a | nd | |
3-octanol, 2-methyl- | nd | nd | 4.64 ± 0.57 a | nd | |
1,4-pentanediol | nd | 4.75 ± 1.07 a | nd | nd | |
1-octen-3-ol | 4.85 ± 0.19 a | nd | nd | nd | |
Total alcohols | 43.69 ± 4.03 a | 87.50 ± 11.26 b | 124.42 ± 8.79 c | 209.60 ± 8.27 d | |
Esters | oxiranyl-2-propenoic acid methyl ester | nd | nd | nd | 3.69 ± 0.44 a |
Isopropyl myristate | 4.49 ± 0.71 a | 2.44 ± 0.40 a | 3.05 ± 1.01 a | 10.56 ± 0.89 b | |
Octadecanoic acid methyl ester | 7.12 ± 0.72 b | nd | 4.70 ± 0.69 a | 3.13 ± 0.43 a | |
Tetradecanoic acid methyl ester | nd | nd | 0.49 ± 0.16 a | nd | |
Hexadecanoic acid methyl ester | 14.71 ± 2.94 b | nd | 5.56 ± 0.18 a | nd | |
Total esters | 26.32 ± 4.37 c | 2.44 ± 0.40 a | 13.8 ± 2.04 b | 17.38 ± 1.76 b | |
Lactones | Butyrolactone | 2.76 ± 1.87 a | 11.90 ± 0.22 b | 8.09 ± 0.92 ab | 8.63 ± 1.57 ab |
2-hydroxy-gamma-butyrolactone | 1.29 ± 0.11 a | 13.09 ± 1.86 ab | 18.31 ± 3.56 b | 14.31 ± 2.27 b | |
Total lactones | 4.05 ± 1.98 a | 24.99 ± 2.08 b | 26.40 ± 4.48 b | 22.94 ± 0.70 b | |
Hydrocarbones | 2-methyl-Cyclopentanon | nd | nd | nd | 15.30 ± 2.26 a |
Total hydrocarbones | nd | nd | nd | 15.30 ± 2.26 a | |
Ketones | 2(5H)-Furanone | 0.90 ± 0.20 a | nd | nd | 13.31 ± 3.12 b |
1-(1H-pyrrol-2-yl)- Ethanone | nd | nd | nd | 1.08 ± 0.06 a | |
3-hydroxy-2-methyl-4H-Pyran-4-one | nd | nd | nd | 2.23 ± 0.05 a | |
dihydro-4-hydroxy-2(3H)-Furanone | nd | nd | nd | 17.46 ± 3.31 a | |
-(2-furanyl)-1-Propanone | 5.45 ± 1.55 a | nd | nd | 8.31 ± 0.41 a | |
2(3H)-Furanone, 5-ethyldihydro- | nd | nd | nd | 13.52 ± 2.11 a | |
-(2-furanyl)-3-Penten-2-one | nd | nd | nd | 1.08 ± 0.11 a | |
6-Oxa-bicyclo [3.1.0]hexan-3-one | 2.36 ± 0.28 | 14.12 ± 3.13 | 32.42 ± 4.14 | nd | |
2-Furyl ethyl ketone | nd | nd | 7.25 ± 0.51 a | nd | |
4-Hepten-3-one, 4-methyl- | nd | 93.39 ± 5.65 a | nd | nd | |
Total ketones | 8.71 ± 2.03 a | 107.51 ± 8.78 c | 39.67 ± 4.65 b | 56.99 ± 9.17 b | |
Acids | 4-oxo-Pentanoic acid | nd | nd | nd | 1.76 ± 0.07 a |
Acetic acid | 8.73 ± 1.17 a | nd | 29.16 ± 0.02 b | 85.14 ± 8.07 c | |
3-hydroxy- Butanoic acid | nd | nd | 13.51 ± 0.76 a | nd | |
3,4-dyhydroxymandelic acid-tetrams | nd | nd | 4.68 ± 1.01 a | nd | |
9-oxo-Nonanoic acid methyl ester | nd | nd | 3.25 ± 0.63 a | nd | |
Total acids | 8.73 ± 1.17 a | nd | 50.60 ± 2.43 b | 86.90 ± 8.14 c | |
Others | 1-methylpentyl Hydroperoxide | nd | nd | nd | 4.27 ± 0.33 a |
Methane, sulfinylbis | nd | nd | nd | 10.53 ± 0.72 a | |
2-methyl-, oxime Propanal | nd | 7.67 ± 1.37 a | nd | 11.74 ± 0.95 a | |
2-Pyrrolidinone | 6.44 ± 0.76 a | nd | nd | 7.09 ± 0.68 a | |
Dimethyl sulfoxide | 5.01 ± 0.67 a | nd | 16.28 ± 2.23 b | nd | |
methoxy-phenyl-Oxime | nd | 55.30 ± 2.01 a | 44.94 ± 1.44 a | nd | |
1-(dimethoxymethyl)-4-(1-methoxy-1-methylethyl)-Benzene | nd | 12.55 ± 1.27 a | nd | nd | |
6,10-dimethyl-5,9-Undecadien-2-one | 0.49 ± 0.09 a | nd | nd | nd | |
2,3-dihydro-3,5-dihydroxy-6-methyl-4H-Pyran-4-one- | 6.90 ± 0.10 a | nd | nd | nd | |
[(2-fluorophenyl)methyl]-1H-Purin-6-amine, | 0.69 ± 0.01 a | nd | nd | nd | |
Total others | 19.54 ± 0.14 a | 53.88 ± 2.14 bc | 61.23 ± 1.12 c | 47.23 ± 4.22 b | |
Total | 445.82 ± 41.72 a | 488.45 ± 44.62 a | 525.83 ± 61.87 a | 553.77 ± 21.89 a |
Juice | MJ130 | J130 | J90 | J90c | |
---|---|---|---|---|---|
Phenolic content | |||||
mg GAE/100 g | 48.88 ± 2.82 a | 178.97 ± 5.75 b | 236.79 ± 9.03 c | 249.551 ± 6.67 cd | 257.67 ± 9.23 d |
mg GAE/100 g d.m. of dried material | 495.40 ± 28.62 c | 187.93 ± 6.04 a | 246.62 ± 9.40 b | 258.98 ± 17.29 b | 266.21 ± 9.54 b |
Betalain content | |||||
mg betalain/100 g | 28.59 ± 0.30 a | 307.48 ± 16.41 b | 352.99 ± 14.26 c | 677.31 ± 9.72 e | 551.17 ± 11.85 d |
mg betalain/100 g d.m. of dried material | 289.75 ± 3.00 a | 322.87 ± 17.23 b | 367.64 ± 14.85 c | 702.90 ± 10.08 e | 569.42 ± 12.24 d |
CUPRAC | |||||
mg Trx/100 g in 70% acetone | 121.99 ± 4.53 a | 287.31 ± 9.40 b | 406.42 ± 17.23 c | 517.58 ± 15.43 d | 544.43 ± 15.98 d |
mg Trx/100 g in buffer | 274.53 ± 3.34 a | 1324.50 ± 22.20 b | 2263.60 ± 182.32 c | 2907.14 ± 204.98 d | 3310.76 ± 263.27 e |
mg Trx/100 g d.m. of dried material in 70% acetone | 1236.36 ± 45.93 d | 301.70 ± 9.87 a | 423.29 ± 17.94 b | 537.13 ± 16.01 c | 562.47 ± 16.51 c |
mg Trx/100 g d.m. of dried material in buffer | 2782.45 ± 27.60 c | 1390.80 ± 23.31 a | 2357.55 ± 189.89 b | 3016.95 ± 212.73 c | 3420.42 ± 271.99 d |
DPPH | |||||
mg Trx/100 g in 70% acetone | 32.43 ± 0.98 a | 192.31 ± 4.87 b | 219.06 ± 5.72 b | 218.76 ± 38.12 b | 300.43 ± 10.61 c |
mg Trx/100 g d.m. of dried material in 70% acetone | 328.70 ± 9.96 b | 201.94 ± 5.11 a | 228.16 ± 5.96 a | 227.02 ± 39.56 a | 310.38 ± 10.96 b |
ABTS | |||||
mg Trx/100 g in 70% acetone | 155.46 ± 4.70 a | 554.83 ± 12.80 b | 618.35 ± 12.03 c | 634.78 ± 17.24 cd | 661.77 ± 9.86 d |
mg Trx/100 g in buffer | 1755.69 ± 76.16 a | 1558.04 ± 145.05 a | 2006.53 ± 339.51 a | 2805.99 ± 163.44 b | 2497.44 ± 144.20 b |
mg Trx/100 g d.m. of dried material in 70% acetone | 1575.66 ± 47.60 c | 582.60 ± 13.44 a | 644.02 ± 12.53 b | 658.76 ± 17.89 b | 683.69 ± 10.19 b |
mg Trx/100 g d.m. of dried material in buffer | 1,7794.47 ± 771.86 d | 1636.03 ± 152.31 a | 2089.81 ± 353.61 ab | 2911.98 ± 169.61 c | 2580.16 ± 148.98 bc |
CBA | |||||
mg Trx/100 g in 70% acetone | 46.85 ± 0.67 a | 153.52 ± 8.04 a | 226.97 ± 10.59 c | 281.69 ± 10.24 d | 325.61 ± 17.72 e |
mg Trx/100 g in buffer | 26.17 ± 0.78 a | 272.48 ± 4.77 b | 310.15 ± 10.36 b | 456.93 ± 18.62 c | 546.19 ± 34.16 d |
mg Trx/100 g d.m. of dried material 70% acetone | 474.86 ± 6.76 e | 161.21 ± 8.45 a | 236.39 ± 11.03 b | 292.33 ± 10.63 c | 336.40 ± 18.30 d |
mg Trx/100 g d.m. of dried material in buffer | 265.24 ± 7.89 a | 286.12 ± 5.00 ab | 323.02 ± 10.79 b | 474.19 ± 19.32 c | 564.28 ± 35.29 d |
Chelating FE (II) | |||||
mg Fe/100 g | 56.41 ± 0.73 d | 32.60 ± 0.78 a | 44.47 ± 4.36 b | 49.59 ± 1.02 c | 49.34 ± 1.34 bc |
mg Fe/100 g d.m. of dried material | 571.77 ± 7.45 c | 34.23 ± 0.82 a | 46.31 ± 4.54 b | 51.46 ± 1.06 b | 50.97 ± 1.39 b |
JM130 | JN130 | JMD130 | JK130 | |
---|---|---|---|---|
Phenolic content | ||||
mg GAE/100 g | 151.09 ± 2.18 b | 156.74 ± 3.90 b | 137.65 ± 5.46 a | 153.30 ± 6.75 b |
mg GAE/100 g d.m. of dried material | 203.82 ± 3.08 a | 214.97 ± 5.39 a | 189.54 ± 7.54 a | 212.94 ± 9.40 a |
Betalain content | ||||
mg betalain/100 g | 229.51 ± 8.12 a | 250.43 ± 7.42 b | 235.08 ± 2.56 a | 240.51 ± 9.14 ab |
mg betalain/100 g d.m. of dried material | 182.23 ± 6.44 a | 194.72 ± 5.77 b | 182.48 ± 1.99 a | 188.44 ± 7.16 ab |
CUPRAC | ||||
mg Trx/100 g in 70% acetone | 224.23 ± 7.78 a | 254.89 ± 8.38 b | 216.44 ± 1.92 a | 242.33 ± 11.52 b |
mg Trx/100 g in buffer | 2648.88 ± 169.71 b | 1431.17 ± 142.91 a | 1292.96 ± 288.88 a | 1326.77 ± 17.34 a |
mg Trx/100 g d.m. of dried material in 70% acetone | 291.17 ± 10.98 a | 351.07 ± 11.58 b | 297.67 ± 2.65 a | 335.93 ± 16.05 b |
mg Trx/100 g d.m. of dried material in buffer | 3739.08 ± 239.55 b | 1978.36 ± 197.55 a | 1784.23 ± 398.65 a | 1848.06 ± 24.15 a |
share of carrier activity in 70% acetone [%] | 6.89 | 0.36 | 0.34 | 0.48 |
share of carrier activity in buffer [%] | nd | nd | nd | nd |
DPPH | ||||
mg Trx/100 g in 70% acetone | 118.11 ± 2.60 a | 138.45 ± 4.12 b | 118.59 ± 4.62 a | 126.14 ± 6.62 a |
mg Trx/100 g d.m. of dried material in 70% acetone | 161.95 ± 3.68 a | 191.39 ± 5.69 b | 162.86 ± 6.38 a | 174.86 ± 9.22 a |
share of carrier activity [%] | 2.86 | nd | 0.48 | 0.48 |
ABTS | ||||
mg Trx/100 g in 70% acetone | 362.81 ± 15.39 a | 364.67 ± 10.90 a | 348.24 ± 16.05 a | 350.43 ± 13.19 a |
mg Trx/100 g in buffer | 2179.75 ± 44.28 b | 1421.78 ± 97.43 a | 1534.14 ± 29.49 a | 1380.41 ± 129.90 a |
mg Trx/100 g d.m. of dried material in 70% acetone | 466.01 ± 21.73 a | 486.94 ± 15.06 a | 461.66 ± 22.15 a | 470.98 ± 18.37 a |
mg Trx/100 g d.m. of dried material in buffer | 3076.87 ± 62.50 b | 1965.38 ± 134.69 a | 2117.04 ± 40.69 a | 1922.77 ± 180.94 a |
share of carrier activity in 70% acetone [%] | 7.71 | 3.40 | 3.93 | 3.51 |
share of carrier activity in buffer [%] | 6.75 | 0.73 | 0.61 | 0.75 |
CBA | ||||
mg Trx/100 g in 70% acetone | 138.56 ± 2.65 a | 120.05 ± 22.36 a | 133.22 ± 8.29 a | 137.39 ± 4.80 a |
mg Trx/100 g in buffer | 288.34 ± 1.73 b | 248.00 ± 4.99 a | 235.22 ± 7.43 a | 230.81 ± 20.15 a |
mg Trx/100 g d.m. of dried material in 70% acetone | 185.59 ± 3.73 a | 162.71 ± 30.91 a | 180.30 ± 11.44 a | 187.74 ± 6.68 a |
mg Trx/100 g d.m. of dried material in buffer | 298.00 ± 2.45 a | 342.82 ± 6.90 b | 324.60 ± 10.25 ab | 321.49 ± 28.07 ab |
share of carrier activity in 70% acetone [%] | 5.11 | 1.95 | 1.92 | 1.90 |
share of carrier activity in buffer [%] | 26.79 | nd | nd | nd |
Chelating Fe (II) | ||||
mg Fe/100 g | 37.19 ± 0.40 a | 33.98 ± 1.18 a | 33.90 ± 1.43 a | 35.09 ± 4.68 a |
mg Fe/100 g d.m. of dried material | 31.09 ± 0.56 a | 46.97 ± 1.63 b | 46.78 ± 1.98 b | 48.87 ± 6.52 b |
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Barańska, A.; Jedlińska, A.; Wołosiak, R.; Witrowa-Rajchert, D.; Derewiaka, D. Volatile and Antioxidant Compounds of Beetroot Powder Obtained by Dehumidified Air Spray Drying of Cloudy Juice. Appl. Sci. 2024, 14, 7316. https://doi.org/10.3390/app14167316
Barańska A, Jedlińska A, Wołosiak R, Witrowa-Rajchert D, Derewiaka D. Volatile and Antioxidant Compounds of Beetroot Powder Obtained by Dehumidified Air Spray Drying of Cloudy Juice. Applied Sciences. 2024; 14(16):7316. https://doi.org/10.3390/app14167316
Chicago/Turabian StyleBarańska, Alicja, Aleksandra Jedlińska, Rafał Wołosiak, Dorota Witrowa-Rajchert, and Dorota Derewiaka. 2024. "Volatile and Antioxidant Compounds of Beetroot Powder Obtained by Dehumidified Air Spray Drying of Cloudy Juice" Applied Sciences 14, no. 16: 7316. https://doi.org/10.3390/app14167316