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Farinograph at

Manufactured by Brabender
Sourced in Germany

The Farinograph-AT is a lab equipment designed for the analysis of dough rheology. It measures the resistance to mixing of a dough sample, providing data on dough consistency and development over time.

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8 protocols using farinograph at

1

Evaluating Grain Quality and Dough Rheology

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Total plot was harvested and threshed using a mini-Vogel machine for recording yield. Two kilos of seeds were randomly picked from each grain sample to evaluate grain processing quality. Grain samples were stored for three months before milling. Milling was done on a Brabender Quadromat Juniors® (Brabender GmbH & Co. KG, Germany). Samples were conditioned to 14.0% moisture before milling. The grain protein content (GPC), zeleny sedimentation value (SV), wet gluten content (GC) and gluten index (GI) were determined following GB/T 17320–2013, by an automatic azotometer (Kjelec 8400; FOSS, Denmark), a zeleny analysis system (CAU-B, China) and a glutomatic 2200 system (Perten, Sweden), respectively. Dough rheological properties were tested by Farinograph®-AT (Brabender GmbH & Co. KG, Germany) with Mixer*50.
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2

Farinograph and Extensograph Dough Analysis

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Farinograph properties were determined according to AACC Method no. 54-21.02 [29 ] using a Farinograph-AT equipped with a 300-g stainless steel bowl (Brabender GmbH and Co KG, Duisburg, Germany). The dough properties of water absorption (WA, %), development time (DDT, min), stability time (ST, min), and degree of softening (DS, UF) were recorded for analysis. Extensograph properties were carried out according to AACC Method no. 54-10.01 [30 ] using an Extensograph-T (Brabender GmbH and Co KG, Duisburg, Germany). The extension (mm), extension area (cm2), tensile resistance (BU), and maximum tensile resistance (BU) of dough were summarized at 45, 90, and 135 min.
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3

Standardized Bread Baking Protocol

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The test laboratory baking was carried out using the international method AACC 10-10.03 [18 ]. The recipe of the obtained samples is presented in Table 1 [10 (link)].
The amount of water was calculated based on the water absorption capacity of the flour at the rate of 650 E.F. (± 20) on the Brabender Farinograph equipment. The water temperature was 22 ± 2°C. The rheological properties dough were determined in accordance with the AACC 54-21.02 (2010) method on a Farinograph-AT (Brabender, Germany). The volume of bread was determined by the seed displacement according to the method AACC 10-05.01, 2010. The bread was weighed, and its specific volume was calculated. The moisture content of the bread crumb was determined according to AACCI 44-15.02, 2010.
The dough was divided by hand into portions of 450 g, and fermentation was carried out in a controlled fermentation chamber (Atrepan 18/10, Italy), at 30 ± 1°C and a relative humidity of 80% for 90 minutes. Baking was carried out in a laboratory oven (Fin Bake II 5 D Digital, Slovenia) at 220°C for 20 minutes. The bread was cooled at 20 ± 2°C and tested after 3 and 72 hours.
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4

Whole Wheat Flour Moisture and Farinograph

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The moisture contents of whole wheat flour samples were determined using the AACCI Method 44-15A [16 ]. The farinograph properties of the whole wheat flour samples were tested using a farinograph (Brabender Farinograph-AT, Duisburg, Germany) equipped with a 50-g bowl according to AACCI Method 54-21 [16 ]. The farinograph curve yields the development time (min.), water absorption (14% moisture base), stability (min.), softening degree (BU, 12 min. after max.), and farinograph quality number.
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5

Whole Wheat Flour Bread Formulation

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For the use of whole wheat flour from sprouted wheat grain in the production of bread, mixtures of RF and WWF were prepared in the following proportions: (a) 90 : 10, (b) 90 : 20, and (c) 70 : 30.
The rheological properties of the RF and WWF dough were determined in accordance with the AACC 54-21.02 (2010) method on a Farinograph-AT (Brabender, Germany).
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6

Wheat Flour Dough Rheological Properties

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Alveograph measurements of WF were performed using an Alveograph MA 82 (Chopin, Tripette et Renaud, Villeneuve La Garenne, France) and the standard AACC method 54-30 [18 ]. The parameters obtained were: dough tenacity (P), dough extensibility (L), dough strength (W), and the ratio between P and L (P/L).
The farinograph test of both flours WF and WWF flours were performed with a Farinograph-AT (Brabender, Duisburg, Germany) according to the AACC method 54-21 [19 ]. The parameters obtained were: water absorption, dough development time (DDT), stability, and dough softening.
Alveograph and farinograph were performed in duplicate.
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7

Flour Composition and Rheological Properties

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Before steamed bread preparation, chemical composition and rheological properties of the potato–wheat formulated flour samples (S0, S5, S10, S15, S20, S25, S30, S35, and S40) and basic flour–gluten formulated flour samples (S35+W6.0, S35+W6.5, and S35+W7.0) were tested. Moisture, ash, protein, and gluten index were determined according to the AACC methods 44‐15A, 08‐21.01, 46‐12.01, and 38‐12.02, respectively (AACC, 2000). Farinograph test was performed according to the ICC method No.115/1 by Farinograph‐AT (Brabender) (ICC, 2010). Extensograph test was carried out according to the ICC method No. 114/1 by Extensograph‐E (Brabender) (ICC, 2010).
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8

Comprehensive Whole Wheat Flour Analysis

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(1) Physico-Chemical Analysis of Whole Wheat Flour. The moisture content was determined using the international method AACC 44-15.02. The protein content in whole wheat flour was calculated using the Kjeldahl micromethod [10 ]. The mass fraction of fat in whole wheat flour was determined by 30-25.01; the ash content according to AACC 08-12.01; the total amount of starch, AACC 76-13.01; and the index and gluten content, AACC 38-12.02 [10 ]; the dough was kneaded in accordance with the AACC 54-21.02 (2010) method on the Farinograph-AT (Brabender, Germany).
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