3.1. Chemical composition of the tested flour:
Brown rice (BRF), quinoa (QF) and chickpea flour (CPF) were selected for the preparation of gluten-free pasta. The gluten-free flour samples were compared chemically with the semolina flour samples (flour of control pasta), as shown in Table (2). The moisture content of all the flour samples ranged from 11.53–13.28%. Compared with semolina, CPF was characterized by greater protein (23.19%) and fat (6.04%) contents (8.60% protein and 1.22% fat). The lowest total carbohydrate content was found in QF and CPF, where the total carbohydrate content decreased to 57.15 and 57.52.71%, respectively. The results obtained for semolina flour agreed with those of Raffo et al. (2003) and Graziano et al. (2019). A greater fat content was detected in QF (6.07%) and CPF (6.04%), while the fat content decreased in BRF and Semolina to 2.3 and 1.22%, respectively. Additionally, QF and CPF contained higher fiber contents than did BRF and Semolina. These results are in agreement with those of Abugoch et al. (2008), and Roushdi et al. (2016) reported that rice flour contains 6.65% protein, 0.38% crude fiber, 0.54% ash and 83.33% carbohydrates. Additionally, Motawei et al. (2022) reported that rice flour contains 7.80% crude protein, 0.85% ash, 0.45% fiber and 90.20% available carbohydrates. Furthermore, several investigators have evaluated the chemical composition of previously selected free gluten flour, i.e., Abou Arab et al., (2010), El-Hadidy et al. (2020), Karla and Claudia (2020) and Yegrem (2021).
In addition to the chemical composition, the total caloric content was calculated to evaluate the expected caloric content from the selected gluten-free flour. The results indicated that the total energy of the tested gluten-free flour ranged between 357 and 339.71%.
Table 2
Gross chemical constituents of the tested flour.
| Semolina | BRF | QF | CPF | L.S.D at 0.05 |
Moisture (%) | 11.65b ± 0.11 | 12.01ab ± 0.17 | 13.28a ± 0.29 | 11.53b ± 0.28 | 0.733 |
Protein (%) | 10.90c ± 0.19 | 8.60d ± 0.27 | 14.12b ± 0.25 | 23.19a ± 0.48 | 0.066 |
Fat (%) | 1.22c ± 0.05 | 2.30b ± 0.05 | 6.07a ± 0.03 | 6.04a ± 0.07 | 0.075 |
Ash (%) | 0.79d ± 0.02 | 1.25c ± 0.07 | 2.38b ± 0.01 | 2.48a ± 0.03 | 0.067 |
Fiber (%) | 0.81d ± 0.03 | 1.49c ± 0.32 | 7.0a ± 0.37 | 4.05b ± 0.02 | 0.336 |
T. Carbohydrate (%) | 74.63a ± 0.72 | 74.35b ± 0.56 | 57.15c ± 0.85 | 52.71d ± 0.75 | 0.090 |
Total calories K Cal | 353.1 | 353.22 | 339.71 | 357.96 | |
Mean ± SD Brown rice flour (BRF). Quinoa flour (QF). Chickpea flour (CPF),
The obtained results represent the mean value of three representative samples. The same letter in a row indicates no significant difference.
3.2. Mineral contents of the tested flour.
The mineral contents of the semolina flour, brown rice flour, quinoa flour and chickpea flour are shown in Table 3. The results indicated that, the highest calcium, potassium and iron contents were found in chickpea flour, followed by quinoa flour and Semolina flour. Brown rice flour is characterized by a higher zinc content than the other selected flours. The results obtained for brown rice flour agreed with those of Gunzer (2018), quinoa flour agreed with those of Al-Sayed et al. (2019), and chickpea flour agreed with that of Vilod et al. (2023).
Table 3
Mineral contents of the tested flour (mg/100 g).
Sample | Semolina (S) | BRF | QF | CPF | LSD at 0.05 |
Calcium | 50.89b ± 0.11 | 31c ± 0.09 | 47b ± 0.13 | 105a ± 0.17 | 4.71514 |
Phosphor | 120c ± 0.15 | 32.4d ± 0.19 | 457a ± 1.12 | 366b ± 0.82 | 5.35837 |
Potassium | 205.33c ± 0.52 | 182d ± 0.33 | 563b ± 0.65 | 875a ± 2.13 | 5.07138 |
Sodium | 630.18a ± 0.52 | 22.9b ± 0.13 | 5c ± 0.03 | 24b ± 0.05 | 4.59139 |
Iron | 2.35c ± 0.05 | 1.6d ± 0.01 | 4.57b ± 0.05 | 6.24a ± 0.09 | 0.22838 |
Zinc | 3.36b ± 0.03 | 12.15a ± 0.10 | 3.1b ± 0.07 | 3.43b ± 0.03 | 0.27996 |
* Values are the mean ± SD (n = 3). a-d Means in the same row with different superscripts are significantly different.
3.3. Total amino acid contents of semolina, brown rice, quinoa and chickpea flour.
The amino acid content of foods plays an important role in evaluating their nutritional value. Therefore, the amino acid contents of selected gluten-free flour samples were determined and are presented in Table 4. The results indicated that, compared with the selected free gluten flour, the semolina flour had a lower total essential amino acid content (29.95 g/100 g). The total essential amino acid content was highest in chickpea (38.9 g/100 g) and brown rice (38.1 g/100 g), followed by quinoa (34.04 g/100 g). Leucine was the first limited amino acid in chickpea flour (8.70 g/100 g), and lysine was the second limited amino acid. Furthermore, the biological value (BV) was highest for chickpea flour, followed by brown rice flour, quinoa flour and semolina, where the values reached 97, 90.13, 84.89 and 77.29%, respectively. The computed protein efficiency ratio (C-PER) also exhibited the same trend as that of the BV (Ibrahim, 2022).
Table 4
Amino acid composition of the tested flour (g/100 g protein).
Amino acids | Semolina (S) | BRF | QF | CPF |
Essential amino acids (NEAA) | | |
Tryptophan (TRP) | 1.14 | 0.15 | 1.10 | 0.9 |
Therionine(THR) | 3.36 | 4.71 | 3.35 | 3.1 |
Valine(VAL) | 2.85 | 6.60 | 4.40 | 4.6 |
Methionine | 1.33 | 1.72 | 2.75 | 1.1 |
Isoleucine(ILE) | 3.90 | 5.63 | 3.55 | 4.8 |
Leucine(LEU) | 5.15 | 7.39 | 6.20 | 8.7 |
Phenylalanine(PHE) | 4.22 | 5.54 | 2.75 | 5.5 |
Hisitidine(HIS) | 2.33 | 2.84 | 5.90 | 3.0 |
Lysine(LYS) | 2.02 | 3.52 | 4.0 | 7.2 |
Total EAA | 29.95 | 38.1 | 34.04 | 38.9 |
Nonessential amino acids(NEAA) | | |
Serine(SER) | 4.95 | 3.91 | 4.70 | 3.7 |
Glutamic(GLU) | 28.11 | 13.85 | 14.30 | 17.3 |
Proline(PRO) | 9.22 | 4.95 | 4.00 | 3.8 |
Glycine(GLY) | 3. 37 | 5.51 | 5.50 | 3.7 |
Alanine(ALA) | 3.38 | 5.30 | 4.45 | 4.8 |
Aspartic (ASP) | 10.02 | 10.51 | 9.50 | 11.0 |
Tyrosine(TYR) | 2.33 | 3.20 | 2.65 | 3.0 |
Argnine(ARG) | 4.6 | 8.30 | 8.60 | 8.3 |
Cystine(CYS) | 1.11 | 1.50 | 2.15 | 0.60 |
Total NEAA | 73.80 | 57.03 | 55.85 | 56.2 |
Computed B.V. (%) | 77.267 | 90.135 | 84.891 | 97.00 |
C-PER (g) | 2.599 | 3.821 | 3.323 | 4.473 |
C-PER = Computed protein efficiency ratio calculated as follows: C-PER = 0.684 + 0.456 (leucine) − 0.047 (proline).
BV = the computed biological value was calculated using the following equation: BV = 49.9 + 10.53C-PER
3.4. Pasting profile (RVA) of the raw materials.
The pasting properties of rapid- viscoanalyzer (RVA) for the gluten-free flour samples were determined and are presented in Table 5. Five formulas of brown rice, quinoa, and chickpea flour mixtures were prepared as shown in Table (1) and compared with control samples of 100% semolina and 100% brown rice. The peak viscosity decreased gradually with increasing percentage of quinoa flour, where the highest peak viscosity reached 3516 and 3462 cP in the control samples of semolina and brown rice, respectively. However, the lowest peak viscosity decreased to 2620 cP in PRQ5. The same trend was also observed for the Trough, breakdown, Final viscosity Setback and Pasting temperature parameters. Additionally, the obtained peak viscosity data indicated that, compared with those of the control sample, the brown rice, BRQ1 and PRQ2 samples were the best formulas (semolina), where the percentages of decrease in peak viscosity compared with that of the control sample were 1.5, 2.1, and 13.9%, respectively. The obtained results agreed with those of Gómez et al. (2008), who stated that peak viscosity, breakdown, and setback decreased when chickpea flour was used instead of wheat flour. The low carbohydrate content and different carbohydrate and protein compositions of chickpea flour likely affect viscosity measurements (Adebowale et al., 2005). The pasting temperature may be related to the material's capacity to bind water. The lowest peak, trough, breakdown, final, and setback viscosities and lowest pasting temperatures were found for the flour blends, according to the RVA properties of the flour samples (Hallén et al., 2004 and Muralikrishna and Nirmala 2005). Because gluten-free flour was used in place of regular flour, the amylose/amylopectin ratios of various starches changed, and a decrease in gluten content was observed (Renzetti and Arendt et al., 2009).
Table 5
RVA parameters of blends from Semolina, brown rice, quinoa flour and chickpea flour.
Samples | Peak Vis. (cP) | Trough1 (cP) | breakdown (cP) | Final Vis. (cP) | Setback (cP) | Peak Time (min) | Pasting Temp. (°C) | Peak Temp. (°C) |
cP | Decline % |
Control | 3516 | --- | 1470 | 1700 | 3399 | 458 | 12.0 | 60.2 | 94.8 |
BR | 3462 | 1.5 | 1150 | 1770 | 3185 | 445 | 10.8 | 64.5 | 94.7 |
BRQ1 | 3389 | 2.1 | 1121 | 1890 | 3047 | 342 | 10.9 | 62.0 | 94.7 |
BRQ2 | 3027 | 13.9 | 840 | 1742 | 2882 | 330 | 10.7 | 61.6 | 94.7 |
BRQ3 | 2890 | 17.8 | 795 | 1650 | 2750 | 305 | 10.10 | 60.0 | 93.5 |
BRQ4 | 2750 | 21.8 | 750 | 1580 | 2630 | 280 | 11.5 | 58.5 | 92.0 |
BRQ5 | 2620 | 25.5 | 680 | 1470 | 2410 | 265 | 10.9 | 56.5 | 89.5 |
Decline (%) = Decline in the percentage of peak viscosity compared to that of the control sample (Semolina).
BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour.
3.5. Chemical composition of gluten-free pasta.
The chemical compositions of pasta prepared from 100% semolina flour, 100% brown rice flour (BRF) and blends of BRF and quinoa flour (QF) at different levels ( 10 to 50%) with 10% chickpea flour were studied, and the obtained results are presented in Table 6. In comparison to pasta made from 100% semolina (the control) and 100% BRF, all the pasta blends contained more crude protein, oil, ash, and crude fiber. On the other hand, compared to pasta made from 100% semolina or BRF, the mean value of total carbs decreases in all pasta blends. This might be because semolina flour and BRF contain less crude protein than chickpea flour and QF. These results are in accordance with Olaoye et al. (2007), Osorio-Díaz et al. (2008), Wani et al. (2014), Makpoul & Ibrahem (2015) and Abdelazim et al. (2019).
Table 6
Proximate analysis (%) of gluten-free brown rice pasta formulated with quinoa flour and chickpea flour.
Samples | Moisture | Protein | Oil | Ash | Fiber | Carbohydrate | Total calories |
Control | 6.50b ± 0.20 | 11.00bc ± 0.41 | 1.05g ± 0.05 | 0.92f ± 0.05 | 0.83g ± 0.03 | 86.20a ± 0.72 | 398.25 |
BR | 6.90b ± 0.07 | 8.50e ± 0.25 | 2.35f ± 0.02 | 1.35e ± 0.03 | 1.25f ± 0.05 | 86.55a ± 0.55 | 401.35 |
BRQ1 | 7.20ab ± 0.08 | 10.70d ± 0.32 | 2.70e ± 0.06 | 1.65d ± 0.09 | 1.80e ± 0.07 | 83.15b ± 0.72 | 399.7 |
BRQ2 | 7.40b ± 0.13 | 11.10cd ± 0.44 | 3.00d ± 0.09 | 1.80c ± 0.11 | 2.40d ± 0.13 | 81.70c ± 0.79 | 398.2 |
BRQ3 | 7.65b ± 0.11 | 11.75b ± 0.27 | 3.50c ± 0.05 | 2.05b ± 0.13 | 2.80c ± 0.11 | 79.90d ± 0.85 | 398.1 |
BRQ4 | 7.80a ± 0.09 | 12.30a ± 0.32 | 4.00b ± 0.03 | 2.30a ± 0.15 | 3.40b ± 0.15 | 78.00d ± 0.69 | 397.2 |
BRQ5 | 7.90a ± 0.10 | 12.75a ± 0.38 | 4.50a ± 0.11 | 2.42a ± 0.19 | 4.10a ± 0.17 | 76.23e ± 0.84 | 396.42 |
L.S.D at 0.05 | 0.80396 | 0.54598 | 0.12382 | 0.11862 | 0.07673 | 1.06002 | |
* Values are the mean ± SD (n = 3). a-d Means in the same row with different superscripts are significantly different |
BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour |
3.6. Cooking Quality of Pasta.
The quality of pasta may be impacted by cooking variables such as weight increase, volume increase, and cooking loss. The pasta gained 210 to 300% more weight and 160 to 215% more volume. The results revealed that for different blends of BRF with QF, the weight and volume increased in comparison with those of the control sample (Table 7). This may be because the protein content of QF and chickpea flour increased, resulting an increase in the weight of the cooked pasta (Mercier et al., 2016). A high level of protein and fiber in the QF may be responsible for the improvement in cooking quality indicators.
One of the primary criteria used to assess the quality of pasta cooking is cooking loss (Zaky et al., 2022). This value indicates the amount of dry matter lost into the cooking water (Sozer et al. 2007). As the QF increased, cooking losses decreased. This result might be the result of a dough matrix reinforced by gluten and QF, which can trap starch in the resulting network; this matrix is also associated with the amount of dry matter lost in the cooking water (Özyurt et al.,2015). Cooking losses of various types of semolina pasta range from 6 to 11% (Cacak-Pietrzak et al.,1997). The cooking losses for the pasta control sample, BR sample and BRQ5 sample were 2.5%, 1.65% and 1.30%, respectively. The cooking loss of the pasta samples was ≤ 8%, which is regarded as acceptable technologically (Dick and Youngs 1998). The cooking water thickens as a result of certain soluble starch and non-starch polysaccharides leaching into it during the cooking of the pasta. The findings of Özyurt et al. (2015), Hussein et al. (2021) and Fouad et al. (2022) agree with the findings of the present study.
There were significant differences in cooking loss among the samples (P > 0.05); therefore, adding quinoa and chickpea at these levels affected cooking loss.
Table 7
Cooking quality of gluten-free brown rice formulated with quinoa flour and chickpea flour.
Samples | Weight increase (%) | Volume increase (%) | Cooking loss (%) |
Control | 210f ± 1.11 | 160f ± 1.61 | 2.50a ± 0.11 |
BR | 235e ± 1.42 | 170e ± 1.75 | 1.65b ± 0.15 |
BRQ1 | 250d ± 2.15 | 180d ± 1.65 | 1.50c ± 0.17 |
BRQ2 | 270c ± 2.25 | 190c ± 1.50 | 1.45cd ± 0.21 |
BRQ3 | 280b ± 1.55 | 200b ± 1.75 | 1.40de ± 0.25 |
BRQ4 | 285b ± 2.20 | 210a ± 2.35 | 1.35de ± 0.22 |
BRQ5 | 300a ± 2.45 | 215a ± 2.65 | 1.30e ± 0.19 |
L.S.D at 0.05 | 9.52489 | 7.35281 | 0.12246 |
* Values are the mean ± SD (n = 3). a-d Means in the same row with different superscripts are significantly different |
BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour |
3.7. Color parameters of pasta.
The color of the pasta is an essential indicator for determining its quality (Petitot et al., 2010). In Table 8, the color profiles of the raw and cooked pasta samples are shown. The dry pasta made from BRF, QF and chickpea flour was significantly darker than was the dry brown rice pasta and dry semolina pasta (p ˂0.05). As the amount of QF in the recipe increased, the lightness of the dried pasta samples decreased. For pasta that has 50% more QF added, this observation is more obvious (p ˂0.001). As the quantity of QF increased, the a* values decreased (greenness decreased, and redness increased). The yellow color of the quinoa variety employed in our study was responsible for the large increase in b* (yellowness) for dry pasta that had been enriched with 50 g/100 g of QF. Additionally, pasta enriched with 50 g/100 QF presented the most yellow color (b*). The yellow QF employed in the present study has a bearing on this value. Compared with dry pasta, cooked pasta was characterized by greater lightness, greater greenness, and reduced yellowness. The degradation and dissolution of pigments by hot water may be the cause of the decreased yellow color of cooked pasta (Giuberti et al., 2015). Regardless of the type of quinoa utilized, differences in color coordinates were less than they were for dried pasta.
Table 8
Color quality of uncooked and cooked gluten-free brown rice pasta formulated with quinoa flour and chickpea flour.
Pasta samples | Uncooked Pasta Sample | Cooked Pasta Sample |
L* | a* | b* | L* | a* | b* |
Control | 73.02a ± 1.15 | 4.25a ± 0.05 | 13.85g ± 0.22 | 78.55a ± 0.97 | 2.20g ± 0.10 | 18.30a ± 0.32 |
BR | 71.15b ± 0.65 | 3.30b ± 0.07 | 16.30f ± 0.16 | 70.20b ± 0.30 | 2.70f ± 0.07 | 18.15b ± 0.29 |
BRQ1 | 68.10c ± 0.29 | 3.10c ± 0.03 | 20.89e ± 0.25 | 67.18c ± 0.22 | 2.90e ± 0.05 | 17.85c ± 0.24 |
BRQ2 | 65.15d ± 0.48 | 2.85d ± 0.09 | 22.35d ± 0.19 | 64.30d ± 0.23 | 3.10d ± 0.11 | 17.65d ± 0.20 |
BRQ3 | 63.22e ± 0.60 | 2.50e ± 0.11 | 23.40c ± 0.15 | 62.35e ± 0.35 | 3.31c ± 0.13 | 16.70e ± 0.25 |
BRQ4 | 61.19f ± 0.40 | 2.35f ± 0.04 | 24.52b ± 0.22 | 60.60f ± 0.35 | 3.50b ± 0.17 | 15.90f ± 0.17 |
BRQ5 | 59.18g ± 0.35 | 2.28f ± 0.03 | 25.60a ± 0.15 | 58.55g ± 0.35 | 3.70a ± 0.12 | 15.15g ± 0.13 |
L.S.D at 0.05 | 0.10592 | 0.10273 | 0.08432 | 0.08797 | 0.06831 | 0.10091 |
* Values are the mean ± SD (n = 3). a-d Means in the same row with different superscripts are significantly different.
BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour.
3.8. Sensory properties.
Table 9, shows the color, flavor, appearance, tenderness, stickiness, and overall acceptability of pasta made from semolina, BRF, and BRF supplemented with QF at different concentrations (10.0, 20.0, 30.0, 40.0, and 50.0%) in combination with 10% chickpea flour. As shown in Table 9, consumers preferred pasta with a lower QF substitution percentage; as the QF mixing level increased, the pasta color significantly decreased. The color of the cooked pasta varied from 9.80 for the control group to 9.80 for the BR treatment group, with significant differences among them; the worst score was 6.60 for BRQ5. This result agreed with the obtained whiteness (L) of the Hunter color parameter, as shown in Table (8), where if the amount of QF increased, the lightness of the dried pasta or cooked pasta decreased. Flavor scores ranged from 9.65–6.90. The lowest qualification score was obtained for the BRQ5, with a score of 6.90. Similarly, surface stickiness was analyzed; in this case, even though the scores ranged from 9.80 to 8.81, significant differences were found among all the samples. All formulations were acceptable, as they received scores ranging from 48.45 to 35.21. There were significant differences in overall acceptability for all the samples compared with the control (48.45%). The overall acceptable results indicated that all pasta samples had good sensory scores, but the most preferable score was that the pasta was enriched with 10–20% QF (BRQ1-BRQ2). It should be mentioned that younger generations may be more willing to accept higher QF ratios because they are more inclined to accept others and are more interested in tasting new meals. Therefore, QF has potential use in pasta applications.
Table 9
Mean values of the sensory characteristics of cooked gluten-free pasta.
Pasta samples | Color (10) | Flavor (10) | Appearance (10) | Tenderness (10) | Stickiness (10) | overall acceptability (50) |
Control | 9.80a ± 0.35 | 9.65a ± 0.31 | 9.60a ± 0.38 | 9.60a ± 0.54 | 9.80a ± 0.65 | 48.45a ± 1.19 |
BR | 9.10b ± 0.41 | 9.30b ± 0.42 | 8.65b ± 0.42 | 9.11b ± 0.45 | 9.50c ± 0.56 | 46.02b ± 1.28 |
BRQ1 | 8.60c ± 0.32 | 8.40c ± 0.39 | 7.90c ± 0.40 | 8.80c ± 0. 40 | 9.40d ± 0.48 | 43.10c ± 1.51 |
BRQ2 | 7.70d ± 0.60 | 8.05d ± 0.51 | 7.55d ± 0.50 | 7.70d ± 0.50 | 9.15e ± 0.65 | 40.15d ± 1.32 |
BRQ3 | 7.40e ± 0.50 | 7.80e ± 0.45 | 7.02e ± 0.60 | 7.10e ± 0.60 | 9.65b ± 0.63 | 38.97e ± 1.12 |
BRQ4 | 7.00f ± 0.35 | 7.50f ± 0.52 | 6.60f ± 0.45 | 6.80f ± 0.53 | 9.17e ± 0.52 | 37.07f ± 1.22 |
BRQ5 | 6.60g ± 0.28 | 6.90g ± 0.45 | 6.40g ± 0.35 | 6.50g ± 0.60 | 8.81f ± 0.52 | 35.21g ± 1.19 |
L.S.D at 0.05 | 0.07018 | 0.07527 | 0.07769 | 0.06991 | 0.06858 | 0.07911 |
* Values are the mean ± SD (n = 3). a-d Means in the same row with different superscripts are significantly different; BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour |
quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour |
3.9. Texture Parameters of Pasta.
The textural characteristics of pasta prepared from semolina, BRF, and BRF augmented with QF at different concentrations (10, 20, 30, 40, and 50%) with 10% chickpea flour before and after cooking are shown in Tables 10 and 11. The texture parameters of the pasta and the pasta enhanced with QF were determined using the sample's maximum shearing force in a Brookfield Texture Analyzer device. The hardness (N) of the uncooked control and BR pasta samples reached 104.02 and 93.8, respectively. The amount of uncooked pasta with added QF ranged from 10 to 50%, ranging from 40.06 to 25.03 N. In contrast, pasta without QF was associated with increased effort and increased hardness due to its low moisture content. Consumers can tell when pasta is firm, and regardless of moisture content, this could be related to the product's cell structure and expansion. In general, consumers want pasta that is firm, chewy, and nonsticky. These findings agree with those of Coello et al. (2021) and Pasqualone et al. (2017). According to the texture profile results, mixing with QF at varying concentrations (10 to 50%) decreased the pasta hardness (N), deformation at hardness (mm), deformation at hardness (%), hardness work (mJ), and fracturability (N) with a 1% load sensitivity. On the other hand, the hardness decreased as the QF concentration in the pasta formulations increased. The matrix structure network of starch, gluten, other proteins, and other ingredients has a significant effect on the texture properties of pasta (Chang et al., 2008).
Table 10
Texture profile analysis of uncooked gluten-free brown rice pasta formulated with quinoa flour and chickpea flour.
Pasta samples | Hardness (N) | Springiness Index | Chewiness Index |
Control | 104.02 | -1.07 | 0.18 |
BR | 93.80 | 0.18 | 0.20 |
BRQ1 | 40.06 | 0.50 | 0.22 |
BRQ2 | 35.60 | 0.60 | 0.45 |
BRQ3 | 30.70 | 0.82 | 0.60 |
BRQ4 | 28.50 | 0.92 | 0.75 |
BRQ5 | 25.03 | 1.02 | 0.90 |
BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour.
Table 11
Texture profile analysis of cooked gluten-free brown rice pasta formulated with quinoa flour and chickpea flour.
| Control | BR | BRQ1 | BRQ2 | BRQ3 | BRQ4 | BRQ5 |
Hardness (N) | 0.89 | 0.60 | 1.33 | 1.40 | 1.50 | 1.60 | 1.72 |
Deformation at hardness (mm) | 4.25 | 4.40 | 4.60 | 4.70 | 4.90 | 5.05 | 5.35 |
% Deformation at hardness (%) | 13.30 | 14.45 | 18.30 | 20.50 | 22.18 | 24.50 | 27.20 |
Hardness work (mJ) | 37.00 | 33.00 | 40.00 | 50.00 | 60.00 | 65.00 | 70.00 |
Load at Target (N) | 0.85 | 0.70 | 1.0 | 1.25 | 1.50 | 1.75 | 1.90 |
Peak Stress (N/m2) | 51600 | 44962 | 48584 | 55133 | 57160 | 59275 | 61940 |
Strain at Peak Load | 0.18 | 0.16 | 0.19 | 0.22 | 0.25 | 0.27 | 0.30 |
Fracturability (N) | 0.08 | 0.10 | 0.35 | 0.50 | 0.65 | 0.80 | 1.05 |
Fracture Load Drop Off (N) | 0.02 | 0.01 | 0.03 | 0.05 | 0.07 | 0.09 | 0.10 |
Cohesiveness | 0.35 | 0.22 | 0.42 | 0.44 | 0.47 | 0.52 | 0.55 |
Springiness | 6.10 | 5.50 | 5.60 | 5.80 | 6.10 | 6.30 | 6.50 |
Gumminess | 0.32 | 0.28 | 0.35 | 0.40 | 0.60 | 0.72 | 0.85 |
Chewiness | 18.00 | 16.00 | 19.00 | 20.00 | 23.00 | 25.00 | 28.00 |
Adhesiveness | 1.00 | 1.00 | 2.00 | 3.00 | 4.00 | 5.00 | 6.00 |
Resilience | 0.18 | 0.15 | 0.18 | 0.22 | 0.30 | 0.35 | 0.40 |
BR: Brown Rice; BRQ1: Brown Rice with 10% quinoa flour; BRQ2: Brown Rice with 20% quinoa flour; BRQ3: Brown Rice with 30% quinoa flour; BRQ4: Brown Rice with 40% quinoa flour; BRQ5: Brown Rice with 50% quinoa flour