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Revista Ciência Agronômica

Print version ISSN 0045-6888On-line version ISSN 1806-6690

Rev. Ciênc. Agron. vol.48 no.2 Fortaleza Apr./June 2017 

Food Engineering

Brazilian organic sugarcane spirits: Physicochemical and chromatographic profile1

Cachaças orgânicas brasileiras: perfil físico-químico e cromatográfico

Felipe Cimino Duarte2 

Maria das Graças Cardoso3  * 

Wilder Douglas Santiago3 

Ana Maria Resende Machado2 

David Lee Nelson2 

2Departameto de Ciências dos Alimentos, Universidade Federal de Lavras, Lavras-MG, Brasil,,,

3Departamento de Química, Universidade Federal de Lavras/UFLA, Câmpus Universitário, Lavras-MG, Brasil, 37.200-000,,


There has been a growing demand for products from organic agriculture for the food market. Brazil leads the production of sugarcane spirits and produces about 1.6 billion liters/year. New technologies have been sought throughout the supply chain to improve production, and organic raw material has been used in the production of sugar cane for the production of beverages. This study aimed to define the physicochemical and chromatographic profiles of eleven organic sugarcane spirits samples from various Brazilian states. The secondary components and contaminants were identified and quantified through physicochemical analyses, HPLC and gas chromatography (GC). A significant percentage of the organic sugarcane spirits samples contained concentrations of components that were above the limits required by the Ministry of Agriculture, Livestock and Provisioning (MAPA), specifically the esters (18.20%), copper and dry extract (9.10%). This contamination is caused by bad conditions employed during the production process, which are not in compliance with the good manufacturing practices determined and legislated by Brazilian law.

Key words: Identification; Quantification; Volatile Compounds; Ethyl carbamate


Ultimamente, no mercado de alimentos vem crescendo a demanda por produtos provenientes da agricultura orgânica. O Brasil lidera a produção de cachaça e produz cerca de 1,6 bilhões de litros/ano. Para a melhoria do produto, tem-se buscado novas tecnologias em toda a cadeia produtiva e utilizado matéria-prima orgânica na produção de cana-de-açúcar para a obtenção da bebida. O presente trabalho teve por objetivos traçar o perfil físico-químico e cromatográfico de onze amostras de cachaça orgânica provenientes de alguns estados brasileiros. Foram identificados e quantificados os componentes secundários e contaminantes por meio das análises físico-químicas, cromatografia líquida de alta eficiência (CLAE) e análises cromatográficas em fase gasosa (CG). Pelos resultados encontrados observou-se um percentual significativo das cachaças orgânicas pesquisadas, onde estas apresentaram parâmetros fora dos limites exigidos pelo Ministério da Agricultura, Pecuária e Abastecimento (MAPA), sendo encontrado valores inadequados de 18,20% para ésteres, 9,10% para cobre e extrato seco. Esta contaminação é acarretada pela má condução durante o processo pelos produtores, onde não estão observando as boas práticas de fabricação determinadas e/ou normatizadas pela legislação brasileira.

Palavras-chave: Identificação; Quantificação; Compostos voláteis; Carbamato de etila


The organic sugarcane spirits are characterized by being produced without the addition of any pesticide type and/or additives of a chemical nature, because in such spirits only the use of organic products that occur in the planting of the sugarcane is allowed. When considering an organic system of agricultural production it is necessary to verify that the whole process adopts specific techniques with ecological principles of preservation of life and nature as foreseen in Law No. 10.831, of 12/23/2003 (BRASIL, 2003). The organic sugarcane spirits fall under the requirements specified by that law, as well as the sugarcane spirits from cultivations without pesticides (WOP). The sugarcane destined for the production of organic sugarcane spirits is cultivated under crop rotation, recycling of organic residues, green fertilizers, rock-minerals, management and biological control of pests and diseases, always striving to maintain the soil fertility to supply the plant nutrition and their health and, with that, generate healthy products free from planted.

The characteristics of the organic sugarcane spirits differ those of the sugarcane spirits WOP and from the conventional, in that the sugarcane spirits WOP do not present the addition of chemical products in the soil cultivation, however some type of applied chemical product can be used in the plantation. In the sugarcane spirits of conventional cultivation, the cane is produced with the use of pesticides and synthetic pesticides, that can influence the soil negatively, unless correct administration of the dosages of those substances in the sugarcane plantations occurs and phytosanitary problems are avoided or excluded. In that process the acceleration of the maturation of the cane used for sugarcane spirit production by the addition of chemical products can also occur.

The commercialization of the sugarcane spirits of conventional cultivation is done on a wide scale, that provides low cost reduction in relation to the production of the organic sugarcane spirits, that requires higher care and control during its planting and for presenting a lower production yield because chemical compounds are not used as in the others (CARDOSO, 2013).

It is known that the production of sugarcane spirits in Brazil reaches the figure of 1.6 billion liters annually, representing 87% of the national production in relation to other drinks. The sugarcane spirits have good acceptance in foreign countries. In 2011, sugarcane spirits exports reached the figure of US$ 17.3 million (APEX, 2012; SEBRAE, 2014). However, Sebrae (2014), Cardoso (2013) and Alcarde, Souza and Belluco (2010) indicate that the famous sugarcane spirits brands that dominate the market, both domestic and foreign, are in the hands of the large producers, while there are about 30 thousand small and medium producers. Many of them are devoted to the production of the drink in artisanal stills, therefore, the commercialization of the drink being restricted to the Brazilian market.

Few studies have been presented on organic sugarcane spirits. Thus, the formation of a physiochemical and chromatographic profiles of different samples of organic sugarcane spirits produced in some Brazilian states is justified due to the growing demand in the food sector for organic products divulging more relevant information to increase and improve the production of the drink.

This study sought to define the physicochemical and chromatographic profiles of eleven samples of organic sugarcane spirits from various Brazilian states. The secondary components and contaminants were identified and quantified through physicochemical analyses, HPLC and gas chromatography.


Obtaining samples

The samples were acquired from cane spirit stores and the Central Market, in Belo Horizonte. To acquire the product, we observed that the stamp of certification identified the product as organic sugarcane spirits. The origin (State where produced) of the samples was not considered. Of the 11 studied samples, six were manufactured in Minas Gerais, one in Ceará, one in Paraná and three in Bahia (artesanal production).

In the conduction of the physiochemical and chromatographic profile of the different samples, the brand labels were removed from the sugarcane spirits that, soon afterwards, were poured into identical bottles. Subsequently, each bottle was numbered, aiming to analyze and profile them.

Physico-chemical and chromatographic analysis

In the of Liquor Physiochemical Analyses Laboratory of the Federal University of Lavras (UFLA) the analysis regarding the Alcohol content, Dry extract, Copper, Volatile acidity, Superior alcohols, Methanol, Furfural, Aldehydes and Esters was undertaken. The Analyses Methods for Fermented, Distilled, No-alcoholic Drinks and Vinegar established by the Regulation by MAPA (BRASIL, 2005) were adpoted for the tests with the researched samples. For the high-performance liquid chromatography (HPLC) and ethyl carbamate (EC) the method of Madrera and Valles (2009) and Park et al. (2007) modified by Anjos et al. (2011) and Santiago et al. (2014a) were used.

The gas phase chromatographic analysis of ethyl acetate and methyl, sec-butyl, propyl, isobutyl, butyl, and isoamyl alcohols were performed in the Departamento de Química do Centro Federal de Educação Tecnológica (CEFET-MG) in Belo Horizonte, MG, Brazil. Analytical grade reagents were used in all the physicochemical analyses; those used in the analysis of GC and HPLC were of chromatographic grade.

Gas chromatography analysis

The quantification of those compounds was carried out via analytical curve, preparing six concentration levels of the standards in 40% alcoholic solution. The apparatus used was an Agilent Technologies 6890 N gas chromatograph, with ion flame detector (FID). An INNOWAX (30 m; 0.32 mm; 0.25 µm) column was used with a 1 µL injection volume. Hydrogen was used as carrier gas, besides synthetic air and nitrogen gas. The chromatographic conditions were the following: initial temperature of 43 ºC for four minutes, heating ramp of 14 ºC per minute up to 100 ºC, remaining at that temperature for four minutes and a ramp of 5 ºC per minute up to 180 ºC, remaining for two minutes. The injector temperature was 220 ºC, detector temperature, 270 ºC and the split ratio 20:1.

Linear regression was used in GC, plotting the relationship of the peak areas of the standards versus concentration. The detection and quantification limits were determined by standard dilutions to get a signal:noise ratio of 3 and 10, respectively. The straight line equations obtained for the analytical curves as well as the correlation coefficients are described in Table 1.

Table 1 Correlation coefficients of analytical curves obtained for the secondary alcohols and other compounds accompanied by the of detection and quantification limits 

Componente R2 Concentration range (mg 100 mL a.a-1) DL (mg 100 mL a.a-1) QL (mg 100 mL a.a-1)
Ethyl acetate 0.9961 2 - 250 2.0 6.7
Methyl alcohol 0.9986 1 - 50 1.03 3.4
sec-Butyl Alcohol 0.9992 1 - 30 1.1 3.6
Propyl alcohol 0.9976 2 - 250 2.3 7.6
Isobutyl alcohol 0.9981 2 - 250 2.5 8.3
Butyl alcohol 0.9993 1 - 9 1.7 5.6
Isoamyl alcohol 0.9992 2 - 250 2.0 6.7

Liquid chromatography analysis

The identification and quantification of EC by HPLC was conducted according to the method of Anjos et al. (2011) and Santiago et al. (2014a), using external standardization with derivatization of the samples prior to HPLC analysis. The reagents employed for the analysis were the EC standard (Acros Organics), ethanol, propanol, hexane, hydrochloric acid, ethyl acetate, sodium acetate, HPLC grade acetonitrile (Merck), ultrapure water, and 9-xanthydrol (Acros Organics).

A stock EC solution was prepared at a concentration of 10 mg L-1 in ethyl acetate for the quantitative analysis. For the construction of the analytical curve, dilutions of the stock solution in 50% ethanol were performed to furnish work solutions at concentrations that varied from 5.0 to 160.0 µg L-1. The analytical curve presented six points; the linearity was verified through the linear regression method.

Sample derivatization was achieved in an amber flask with 4.0 mL of sugarcane spirits, to which was added 0.8 mL of 0.02 mol L-1 xanthydrol solution (prepared in propanol). After stirring, 0.4 mL of 1.5 mol L-1 HCl was added and stirring was continued for one minute. The mixture was kept at rest for 60 minutes and filtered through 0.45 µm (Millipore) polyethylene membranes.

The EC analyses were conducted in a Shimadzu liquid chromatograph, equipped with two of high pressure LC-6AD pumps, a DGU-20A3 degasser, an automatic injector with autosampler (model SIL-10AF), a model CBM-20A interface, and a fluorescence detector (FLD; model RF-10AXL). The separations were achieved using an Agilent - Zorbax Eclipses AAA column (4.6 x 150 mm, 5 µm) connected to a Agilent - Zorbax Eclipses AAA 4-Pack pre-column (4.6 x 12.5 mm, 5 µm).

The external standardization method was employed for EC quantification. The excitation and emission wavelengths used were 233 and 600 nm, respectively. The flow rate used in the analysis was 0.75 mL min-1, and the injected sample and standards volumes were 20 µL. The mobile phase was composed of 20 mM sodium acetate solution (Solvent A) and acetonitrile (Solvent B). The elution was conducted in a gradient type system: 0 to 5 min (40-60% B); 5 to 10 min (60-70% B); 10 to 18 min (70-80% B); 18 to 19.5 min (80-90% B); 19.5 to 25 min (90-40% B); and 25 to 30 min (40% B).

The quantification of EC in the sugarcane spirit samples was conducted through the construction of an analytical curve obtained by linear regression (y = 10592.61x + 8200.84; where y = area of the peak and x = concentration of EC), correlating the area of the peak versus the concentration of the respective standard solution. The determination coefficient (R2) obtained was 0.9998. The quantification (QL) and detection (DL) limits were estimated from the parameters obtained for the analytical curve, being calculated from the respective mathematical ratios: QL = 10SD/m and DL = 3SD/m (where SD = estimate of the standard deviation of the regression line and m = angular coefficient of the calibration line) (HARRIS, 2008). More detailed data regarding the validation of the method proposed for the EC determination in sugarcane spirits can be verified in the work of Anjos et al. (2011), who carried out the validation and comparison of different methods for the analysis of that pollutant in the beverage, this being an application of the method already validated by that author. All of the samples were analyzed in duplicate, while the standard work solutions were analyzed in triplicate.


The values obtained for physiochemical analyses are represented in Table 2. It can be observed that 36.40% of the samples were outside the standard recommended by MAPA as to the content of esters (18.20%), copper (9.10%) and the dry extract (9.10%).

Table 2 Results of physical and chemical analysis of organic sugarcane spirits 

Samples Copper mg L-1 Dry Extract g L-1 Alcohol Content (%) Volatile Acidity* Total higher alcohols* Furfural* Aldehyde* Esters* Methanol*
01 3.69 0.57 39.91 37.54 228.94 0.02 13.49 222.43 Nd
02 2.79 0.70 39.75 71.63 312.03 0.27 21.37 221.18 Nd
03 4.79 0.38 42.23 102.92 215.33 0.93 20.17 129.09 Nd
04 5.33 0.25 41.23 59.98 179.91 0.08 19.35 196.19 Nd
05 1.09 0.43 38.59 102.92 196.49 0.74 14.23 185.03 Nd
06 2.72 0.18 43.05 43.52 218.98 0.04 22.58 194.03 Nd
07 4.60 0.22 39.25 57.23 292.53 0.03 4.11 199.38 Nd
08 4.09 0.26 39.58 75.80 264.91 0.10 21.46 55.12 2.75
09 0.05 0.10 40.74 18.40 64.32 0.06 16.28 70.65 4.21
10 1.04 0.19 39.06 43.68 286.80 0.01 21.46 40.26 8.63
11 1.40 43.78 39.31 33.96 183.92 0 16.26 31.11 9.10
Legal limit** 5.0 6.0 38-54.0 150.0 360.0 5.0 30.0 200.0 20.0

Note: Nd = not detected;

*mg in 100 mL of anhydrous alcohol.

**(BRASIL, 2005)

The results for the parameters of alcohol content, volatile acidity, higher alcohols, furfural, aldehydes and methanol were within the limits established by MAPA, corroborating various research works that evaluated sugarcane spirits produced from conventionally cultivated cane. In those works, high diversity in the results was also found, some with limits above those required by the legislation (BARCELOS et al., 2007; MIRANDA et al., 2008; PEREIRA et al., 2003; SOUZA et al., 2009; VILELA et al., 2007; ZACARONI et al., 2011).

The high ester content of the samples 01 and 02 can be explained by the fact that the studied drinks are aged, esterification reactions occurring during that period. Miranda et al. (2008) observed that, after 390 days of storage in a glass container, there was a 57% increase in the ester concentration. Those compounds increase due to the esterification reactions among alcohols and carboxylic acids that occur over time. However, if the compound is in high concentrations, it will lead to an undesirable and rich flavor in the drink (BARCELOS et al., 2007; CARDOSO, 2013; SANTIAGO et al., 2014b).

The high copper content in Sample 04 probably occurred due to the lack of sanitation of the still that, in most of the artisanal spirit distilleries, is constructed with that metal. During the distillation process of the drink, the acid vapors carry the basic copper carbonate [(OH)2 CO3] (verdigris), formed on the internal walls of the stills, thus leading to the contamination of the product. Another factor that can contribute to the contamination by the metal is the incorrect cut-off of the fractions, using the drink head and heart fractions (CARDOSO, 2013).

Regarding the high content of the dry extract in Sample 11, an addition of sugar to the drink by the producer probably occurred. Under the current Brazilian legislation, the addition of up to 6 g L-1 of sugars is allowed for sugarcane spirits and cane liquor (BRASIL, 2005).

Table 3 shows the results of the analyses conducted by gas phase chromatography, which are consistent and close to those found by Gabriel et al. (2012), on studying the influences of two types of yeast (natural and commercial) used as raw material for the production of their organic sugarcane drink.

Table 3 Average results of gas chromatography analysis 

Concentration mg 100 mL of anhydrous ethyl alcohol (aa)-1
Sample Ethyl acetate Methyl alcohol sec-Butyl Alcohol Propyl alcohol Isobutyl alcohol Butyl alcohol Isoamyl alcohol Higher alcohols*
01 155.72 ± 2.78 <DL 4.56 ± 0.91 35.52 ± 4.22 49.85 ± 5.02 1.01 ± 0.21 134.81 ± 2.98 220.18
02 154.73 ± 1.23 <DL 6.07 ± 1.01 49.92 ± 5.01 65.47 ± 4.98 2.8 ± 0.21 185.13 ± 4.98 300.52
03 90.47 ± 1.23 <DL 3.3 ± 0.24 34.45 ± 3.27 47.4 ± 3.67 1.03 ± 0.09 129.06 ± 4.89 207.91
04 139.16 ± 1.54 <DL 2.01 ± 0.15 26.98 ± 2.54 42.73 ± 4.98 1.72 ± 0.09 104.54 ± 2.86 174.25
05 133.27 ± 1.78 <DL 5.71 ± 0.87 32.4 ± 4.89 45.02 ± 2.98 1.54 ± 0.32 110.86 ± 4.65 188.28
06 133.87 ± 1.45 <DL 3.32 ± 0.91 31.78 ± 2.35 50.09 ± 4.01 1.65 ± 0.12 130.07 ± 3.98 211.94
07 143.55 ± 2.56 <DL 2.92 ± 0.35 51.72 ± 5.02 62.15 ± 3.25 1.46 ± 0.31 172.05 ± 5.09 285.93
08 39.05 ± 0.67 2.65 ± 0.19 3.28 ± 0.54 42.24 ± 3.45 53.84 ± 4.01 2.64 ± 0.12 158.08 ± 3.87 254.16
09 60.86 ± 0.89 4.03 ± 0.19 1.28 ± 0.76 12.24 ± 1.25 13.75 ± 1.90 0.67 ± 0.02 35.09 ± 0.98 61.08
10 27.78 ± 0.45 8.34 ± 0.16 6.4 ± 0.97 41.76 ± 4.76 62.19 ± 4.87 2.87 ± 0.15 171.06 ± 2.96 275.01
11 22.39 ± 0.21 9.12 ± 0.98 3.66 ± 0.78 29.28 ± 2.14 40.28 ± 3.19 1.87 ± 0.17 106.09 ± 2.65 175.65
Norm** 200 20 10 - - 3 - 360


*Sum of higher alcohols: Propyl alcohol + 2-Methyl-propanol + Isoamyl alcohol;

**Norm Nº 13 (BRASIL, 2005)

Figure 1 shows the chromatograms of Sample 11 (A) and the standards (B) of the alcohols and the ethyl acetate.

Figure 1 Chromatogram of a standard solution (A) and Sample 11 (B) of alcohols and ethyl acetate 

The butyl, sec-butyl and methyl alcohols, are sugarcane spirit pollutants and they should not be found and/or only detected in low values. No sample presented content above that permited for those pollutants.

The main factor for the formation of butyl alcohol in sugarcane spirits is the contamination by aceto-butylic bacteria during the fermentation process. That contamination can be reduced by not leaving the sugar cane near stables and milking locations (CARDOSO, 2013; MAIA; CAMPELO, 2006).

The methyl alcohol content detected was below the limit established by the legislation. That result corroborates the current research that has been showing content below the allowed limit, that is 20 mg 100 mL in aa-1 (BOGUSZ JUNIOR et al., 2006; MASSON et al., 2012; MIRANDA et al., 2006; PARAZZI et al., 2008).

The values of the higher alcohols were obtained by the sum of the isobutyl, isoamyl and propyl alcohols. No sample exceeded the limit stipulated by the legislation. There was wide variation in the concentration of the higher alcohols, covering a wide range with the minimum from 61.08 to 300.52 mg 100 mL in aa-1, corroborating those presented by Barcelos et al. (2007) on studying samples of sugarcane spirits from the South of Minas, the Jequitinhonha Valley and Zona da Mata.

As to the propyl alcohol content, it was verified that there was great variation among the samples, comprising the range from 12.24 to 51.74 mg 100 mL in aa-1, in keeping with the results presented by Bogusz Júnior et al. (2006). According to the authors, the great variation of the content of that compound is due to the lack of technical knowledge about the fermentation process and distillation. Propanol is not produced during the fermentation by the alcohol yeasts, but may occur due to the secondary fermentations by the action of polluting bacteria.

Cleto and Mutton (1997) verified that the use of corn maize flour in the fermentation, a common practice among the informal producers, reduces the propanol concentration and reduces the total acidity of the drink, thus causing improvement in its quality. Those authors also concluded that the corn contains approximately 0.39% threonine and that the increase of that amino acid in the fermentation can influence the regulation processes of the propanol biosynthetic route.

Among the higher alcohols, the isoamyl alcohol is predominant in the samples and in the other alcoholic drinks, such as wines, beers, rum, whiskey and cognac, followed by the isobutyl alcohols and propyl (NÓBREGA, 2003). The isoamyl alcohol odor threshold value in water, 1000 µg L-1, is relatively high. Therefore, it is important to take into consideration that the odor characteristics of the volatile compounds depend on their concentrations, so that very high amounts can modify odor characteristics, considered by the scientific literature in the threshold of "pleasant", to "extremely unpleasant. This verifies that its formation occurs via the main higher alcohol formation route, that is the secondary catabolism in the sugar yeasts and amino acids, preferentially of the latter, during the alcohol fermentation. As such, several factors interfere in the formation of the related higher alcohols, almost exclusively, with the fermentation stage, like the weak activity of the ferment that causes a delay in the fermentation process. In the must, the alcohol content, the amino acid concentration, the pH and the temperature are important variables in the formation of those compounds. Furthermore, the prolonged time between fermentation and distillation also contributes to the increase of the higher alcohol concentration in the drink (BARCELOS et al., 2007).

In the detection and quantification limits of HPLC, values of 4.65 and 15.51 µg L-1, respectively were found. Figure 2 displays the chromatogram obtained for the EC standard. The average retention time obtained for EC was 13.3 ± 0.1 min, values near those found by (ANJOS et al., 2011; MACHADO et al., 2013; MASSON et al., 2014; SANTIAGO et al., 2014a; ZACARONI et al., 2011).

Figure 2 Chromatogram of an EC solution at a concentration of 100.00 μg L-1 

For the data described in Table 4, it is observed that the presence EC was detected only in Sample 01, with a concentration of 24.46±2.11 µg L-1, proven by the chromatogram depicted in Figure 3.

Table 4 Average liquid chromatography performance 

Samples Ethyl carbamate (μg L-1)
01 24.46
02 < DL
03 < DL
04 < DL
05 < DL
06 < DL
07 < DL
08 < DL
09 < DL
10 < DL
11 < DL

Note: <DL below detection limit

Figure 3 Chromatogram of sugarcane spirits sample 01 

As Sample 01 is an aged sugarcane spirit, it is believed that the formation of that compound occurred in a gradual way during the storage period of the drink. Another factor that can increase or induce EC formation is the reaction between the ethanol and the urea formed by the degradation of nitrogenated precursors, intrinsic to the production process of the drink, the principal ones being the amino acids arginine, ornithine and citrulline. Besides these, other nitrogenated compounds have been studied as possible precursors for the formation of EC before and after the distillation process, as is the case of carbamyl phosphate and the cyanide ion (CARDOSO, 2013; MENDONÇA et al., 2016; SANTIAGO et al., 2014a; ZACARONI et al., 2011).

The organic sugarcane spirits are characterized by being produced from cane that did not undergo any type of synthetic fertilizer addition, mainly those that have nitrogen in their composition. It is believed that EC arises from substances added during the production stages of the drink. However, according to work of Machado et al. (2013), who used nitrogenated fertilizers in the cultivation of the cane to produce sugarcane spirits, varying the concentration of two nitrogen sources (urea and ammonium nitrate) in concentrations from 0 to 160 kg of N ha-1, relates that there was no direct relationship between the increase of the fertilizer concentration and EC and its presence in the distillate, finding the maximum value of the pollutant at the concentration of 38.29 µg L-1 in the highest fertilizer addition.

Mendonça et al. (2016) determined the ethyl carbamate contents during the production processes involving different types of fermentation in which some yeasts contained nitrogen in their composition. The authors concluded that the sugarcane utilized had no influence on the formation of ethyl carbamate and that the concentrations encountered are in agreemente with the current legislation. However, the highest concentrations of ethyl carbamate were found in cachaça produced with yeast rich in nitrogen.

Andrade Sobrinho et al. (2009), affirm that the artisanal cane liquors (still) tend to present an EC content below that of the industrial liquors (column) due to the separation of the artisanal distillate into the fractions head, heart and tail, a fact that corroborates this work due to the fact that all of the samples were of artisanal production.


Among the eleven samples that were used to trace the physico-chemical and chromatographic profiles of organic sugarcane spirits, 36.40% of the samples were found to be outside the limits recommended by the MAPA with respect to the ester (18.20 %), copper (9.10%) and solids (9.10%) contents. These representative percentages demonstrate the fact that producers of these beverages are not observing the good manufacturing practices determined by law.

1Projeto de pesquisa do primeiro autor apresentado no Programa de Pós-Graduação em Ciência dos Alimentos da Universidade Federal de Lavras (DCA/UFLA)


The authors acknowledge the support of the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), the Fundação de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG) and the Coordenação de Aperfeiçoamento de Pessoal de Nivel Superior (CAPES) for a PVNS fellowship (D. L. Nelson).


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Received: February 14, 2013; Accepted: June 22, 2016

*Autor para correspondência

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