Volume-weighted (D[4,3]) and surface-weighted (D[3,2]) mean particle diameters, D[4,3] – D[3,2], apparent viscosity at 200 s–1, and backscattering (%BS; BS0 h, BS24 h bottom, BS24 h top, BS72 h bottom, and BS72 h top) of rice bran O/W emulsions (Φm = 0.25) obtained after three cycles of homogenization at 150 bar
Formulation*
D[4,3] (µm)
D[3,2] (µm)
D[4,3] – D[3,2] (µm)
Apparent viscosity (mPa.s)
BS0 h (%)
BS24 h top (%)
BS24 h bottom (%)
BS72 h top (%)
BS72 h bottom (%)
F1
34.52 ± 8.06DEF
3.78 ± 2.99EF
30.75 ± 17.73DE
56.49 ± 1.49C
89.08 ± 0.99A
86.54 ± 0.69AB
88.19 ± 0.91A
90.23 ± 2.38A
89.18 ± 2.11A
F2
27.41 ± 7.39EFG
8.34 ± 3.49CD
19.06 ± 14.13EFG
25.52 ± 1.78EF
89.67 ± 1.19A
88.36 ± 2.21A
88.20 ± 2.04A
87.47 ± 3.45AB
88.34 ± 1.88AB
F3
88.51 ± 12.99B
20.81 ± 2.02B
67.70 ± 12.47B
255.12 ± 4.18B
87.01 ± 1.59AB
86.72 ± 2.27AB
87.41 ± 1.13A
86.15 ± 1.65ABC
86.88 ± 0.61ABC
F4
32.47 ± 7.15DEFG
12.37 ± 1.04C
20.11 ± 7.12EFG
46.65 ± 9.38CD
88.81 ± 1.98A
87.95 ± 3.21AB
87.65 ± 1.81A
88.05 ± 3.06AB
88.27 ± 1.64AB
F5
62.18 ± 3.34BCD
4.85 ± 1.74DE
57.33 ± 3.85BC
46.97 ± 1.24CD
82.49 ± 0.68BCDE
82.43 ± 0.51BC
81.43 ± 1.28BC
80.62 ± 2.27BCDE
81.74 ± 1.66CDE
F6
25.84 ± 0.48EFG
1.16 ± 0.91EF
24.69 ± 9.67EF
43.85 ± 3.73CD
86.04 ± 2.90ABC
86.58 ± 1.09AB
83.88 ± 1.52AB
81.07 ± 2.48BCDE
82.46 ± 3.64BCDE
F7
246.60 ± 38.80A
39.54 ± 2.49A
178.98 ± 7.01A
34.03 ± 10.26DE
32.83 ± 1.54F
21.24 ± 1.96E
20.76 ± 1.03E
21.41 ± 0.96F
19.59 ± 0.48F
F8
2.39 ± 0.390G
1.75 ± 0.08EF
0.64 ± 0.31G
11.79 ± 0.07F
86.91 ± 2.10AB
86.50 ± 1.48AB
86.48 ± 1.13AB
77.28 ± 4.24DE
81.08 ± 4.04CDE
F9
1.51 ± 0.20G
0.34 ± 0.01F
1.18 ± 0.19G
19.42 ± 0.45EF
88.23 ± 0.83A
87.43 ± 1.94AB
87.61 ± 0.25A
86.10 ± 3.82ABC
86.59 ± 2.02ABCD
F10
1.83 ± 0.90G
0.34 ± 0.02EF
1.49 ± 0.88FG
24.01 ± 0.08EF
84.85 ± 1.96ABCD
82.28 ± 1.87BC
84.65 ± 0.42AB
85.80 ± 2.23ABC
85.49 ± 1.42ABCD
F11
56.36 ± 10.81CDE
17.68 ± 2.25B
38.69 ± 8.81CDE
325.82 ± 9.88A
87.63 ± 1.10A
87.57 ± 1.98AB
87.13 ± 0.53AB
85.33 ± 2.99ABCD
86.30 ± 2.56ABCD
F12
52.24 ± 18.71CDE
0.65 ± 0.11EF
51.60 ± 18.61BCD
12.87 ± 4.35F
79.71 ± 1.80E
76.89 ± 2.35C
76.89 ± 1.66C
76.51 ± 1.65E
78.81 ± 1.76E
F13
17.76 ± 12.59FG
1.23 ± 0.81EF
16.53 ± 12.78EFG
22.86 ± 1.57EF
85.41 ± 1.62ABCD
77.17 ± 0.59C
83.72 ± 1.07AB
84.35 ± 3.36ABCDE
83.95 ± 1.45ABCDE
F14
56.69 ± 0.88CDE
19.16 ± 3.71B
37.54 ± 3.65CDE
54.89 ± 0.71C
80.31 ± 2.24DE
67.77 ± 0.97D
67.61 ± 3.66D
78.99 ± 2.01CDE
79.20 ± 1.37E
F15
63.61 ± 3.04BC
3.67 ± 0.94EF
59.94 ± 2.52BC
43.67 ± 0.03CD
81.74 ± 1.50CDE
70.88 ± 2.70D
76.11 ± 4.88C
80.51 ± 2.05BCDE
80.48 ± 1.03DE
* Formulation numbers correspond to Figure 1. Different superscript letters are indicating significant differences (P < 0.05)
Declarations
Acknowledgments
Marcos Malvasio was beneficiary of the scholarship from the National Interuniversity Council of Argentina (Beca de Estímulo a las Vocaciones Científicas EVC-CIN 2021-2022). Raúl Petelin is beneficiary of a doctoral scholarship from the National Council for Scientific and Technical Research of Argentina (Beca interna doctoral cofinanciada UNER - CONICET, RESOL-2022-259-APN#DIR#CONICET) and Daiana Monetta is beneficiary of a doctoral scholarship from the National Council for Scientific and Technical Research of Argentina (Beca interna doctoral cofinanciada CONICET-Delegación Argentina de la Comisión Técnica Mixta de Salto Grande, RESOL-2022-517-APN-DIR#CONICET). Mercedes Rasia is beneficiary of the postdoctoral scholarship from the National Council for Scientific and Technical Research of Argentina (Beca Postdoctoral Cofinanciada CONICET-UNER, RESOL-2022-907-APN-DIR#CONICET). Juan Manuel Castagnini is a beneficiary of the grant (ZA21-028) for the requalification of the Spanish university system from the Ministry of Universities of the Government of Spain, modality “Maria Zambrano”, financed by the European Union, NextGeneration EU through the project “Extraction of bioactive compounds from food matrices using innovative and sustainable technologies (EXTRABIO)”.
This work is supported by the Universidad Nacional de Entre Ríos for the Research Project Desarrollo de un producto bebible emulsionado apto para ser incluido en la dieta cetogénica [PID 8106]. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
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