Brazilian Journal of Poultry Science Revista Brasileira de Ciência Avícola Effect of Marination with Fruit and Vegetable Juice ISSN 1516-635X Jul - Sept 2016 / v.18 / n.3 / 481-488 on the Some Quality Characteristics of Turkey Breast http://dx.doi.org/10.1590/1806-9061-2016-0225 Meat Author(s) ABSTRACT Gök VI The effect of marination with antioxidant-rich fruit and vegetable Bor YI juices, including black carrot juice, black mulberry juice, black grape and pomegranate juice, mixed vegetable juice (yellow carrot, tomato, I Faculty of Engineering, Food Engineering zucchini, pepper, black carrot, cucumber and lettuce) for 24 and 48 Department, Afyon Kocatepe University, Afyonkarahisar, Turkey hours on chemical, textural and sensorial properties of turkey breast meat was investigated. Moisture content of the samples marinated for 24 hours and cooked varied between 58.85 and 70.51%, with the control sample presenting the moisture highest value. The samples marinated in red grape juice for 48 hours had the highest cooking loss (49.11%), while the lowest cooking loss was recorded in the samples marinated in black carrot juice (40.61%). Moreover, the phenolic content of the samples marinated for 24 hours (250.12-1354.76 mg ga/L) was higher than those marinated for 48 hours (210.56-1156.43 mg ga/L). Reduced hardness values were obtained in turkey breast meat marinated in pomegranate (1.36 kg) and red grape (0.86 kg) juices, suggesting that these juices may potentially to be used as processing ingredients. Marination for 48 hours promoted better sensorial properties than marination for 24 hours. INTRODUCTION Mail Address Corresponding author e-mail address The association between good health and eating habits have led Veli Gök people to pay more attention to their daily eating habits, or diets, which Engineering Faculty, Food Engineering Department, Afyon Kocatepe University, consist of different components. In this aspect, the consumption of Ahmet Necdet Sezer Camp., Gazligöl foods that promote good health is preferred, provided that these foods Street, Afyonkarahisar, 03200, Turkey Ph: 0090272281423 are economically affordable. From this point of view, turkey meat is an Fax: 0090272281422 attractive source that can be compared with beef in terms of nutritional Email: [email protected] value (Sipahi, 2006). Turkey meat is a protein source of animal origin that can be safely Keywords consumed by people of different ages because of its highly nutritious content. Since the fat is mainly located under the skin, turkey muscle Antioxidant, marination, phenolic compounds, turkey meat, texture. fat content is low. Therefore, fat intake when consuming turkey meat is not high when the skin is not consumed. While the cholesterol content of beef and lamb is 68 mg/100g and 71 mg/100 g, respectively, turkey breast meat contains 65 mg/100 g cholesterol (İşeri, 2007). Turkey meat contains less unsaturated fat than beef and pork (Stadelman et al., 1988). Amino acids, such as alanine, serine, aspartic acid, methionine, glutamic acid, and tyrosine are present, and lysine content, for which the need of children is 2.5-3.5 times higher than for adults, of turkey meat is high (Masiero, 1993). Moreover, it contains minerals, such as iron, zinc, copper, potassium, magnesium, phosphorus and manganese, Submitted: February/2016 and vitamins, including ascorbic acid, thiamine, riboflavin, pentatonic Approved: May/2016 acid, B6, B12 and Vitamin A (Özbay, 2009). 481 Gök V, Bor Y Effect of Marination with Fruit and Vegetable Juice on the Some Quality Characteristics of Turkey Breast Meat Although the nutritive value of turkey meat is high, hours. The control treatments contained only distilled its consumption is limited. One of the most popular water. ways to increase the market share of meat products is Phenolic content marination, which enhances aroma and flavor, corrects color defects, improves tenderness, etc. (Barbanti & The phenolic content of the marinades and of the Pasquini, 2004). Various marination ingredients, such turkey breast meat after marination was analyzed as salts, phosphates, acids, sugar, aroma, flavors, and using Folin Ciocalteu Calorimetric Method (Singleton antioxidants are available in the market (Parks et al., and Rossi, 1965), and read at 765 nm wave length in a 2000; Barbanti & Pasquini, 2004; Lyon et al., 2005; spectrometer (Shimadzu UV-1601, Kyoto, Japan). Goli et al., 2006; Alvarado and McKee, 2007; Smith Meat pH and Young, 2007). Antioxidants are substances that occur naturally in The pH of the turkey breast meat and of the fruits and vegetables and block free radicals in foods, marinades was measured before and after marination helping to extend their shelf life and to maintain their (Landvogt, 1991). The pH was measured in a quality during their life-cycle and in the body cells, homogenate prepared by blending 10 g of sample protecting consumers’ health and preventing diseases, with 90 mL of distilled water for 30 s. Readings were such as cancer, cardiovascular diseases, diabetes, etc. made using a WTW, model pH 521, digital pH-meter (Hertog et al., 1993; McLarty, 1997; Weisburger, 1999; and a WTW, type E56, combination electrode (WTW Pokorny, 2001; Virgili & Scaccini, 2001). - Wissensehaftlich-Technische Werkstaetten GmbH, Weilheim, Germany). In recent years, there is growing body of research on natural antioxidant sources, antioxidant compounds, Moisture content relationship between antioxidants and good health, Moisture content (%) of the samples was deter- and effects of antioxidants on food quality. Therefore, mined according to standard procedures pf the AOAC the aim of this study was to investigate the effect (1990). of marination with mixed vegetable juice, black mulberry juice, red grape juice, black carrot juice Cooking loss and pomegranate juice on the phenolic content, After marination for 24hours or 48 hours, samples chemical, textural, and sensorial properties of turkey were allowed to drain for 10 minutes at room breast meat. temperature and then placed on trays lined with aluminum foil. Samples were cooked for 30 minutes MATERIALS AND METHODS in a convection oven (Beko, Istanbul, Turkey) at 150 ˚C. Sampling Cooking loss was calculated as the weight difference before and after cooking. Boneless turkey breast meat was obtained from a commercial poultry processing plant (Bolca Hindi, Bolu, Color measurement Turkey). The turkey breast meat was cut into 1.5-cm After marination and cooking, samples were thick, 13-cm long slices weighing 200 g. A commercial placed into the clear petri dishes, and then Hunter Lab mixed vegetable juice (Sunpride Co., Bursa, Turkey), parameters (L*, a*, and b*) were measured on the consisting of seven different vegetable juices (carrot, surface of the samples using a colorimeter (Minolta, tomato, zucchini, black carrot, cucumber and lettuce) model CR 400, Osaka, Japan). was purchased. Pure black mulberry juice, red grape juice, black carrot juice, and pomegranate juice were Texture profile analysis (TPA) obtained from a local manufacturer (Targid Food and TPA parameters of the samples, including hardness Agricultural Prods. Inc, Mersin, Turkey) and contained (peak force on first compression), adhesiveness no additives. Distilled water was added to pure juices (the time that the samples remained adhered to the to produce marinades adjusted to 14˚ brix. probe), cohesiveness (positive force ratio between the second and first compression cycle), and chewiness Marination (energy needed to chew a solid sample to a steady Meat slices were randomly immersed in the state of swallowing) were determined according to marinade solutions at the ratio of 1:1 (meat:marinade) the procedures suggested by Bourne (1978) and Ruiz in plastic bags, and stored at +4 ˚C for 24 hours or 48 de Huidobro et al. (2005). TPA tests were performed 482 Gök V, Bor Y Effect of Marination with Fruit and Vegetable Juice on the Some Quality Characteristics of Turkey Breast Meat using a Texture Analyzer (TA-XT plus, Stable Micro Table 1 – Phenolic content of the marinate solutions and Systems Ltd., UK) and following specifications were turkey breast meat after marination for 24 and 48 hours applied: cylindrical probe with 35-mm diameter, 50- (mg ga/L). Marinade kg maximum cell loading, 1 mm/s velocity before the Marinade 24 Hour 48 Hour test and 5 mm/s velocity during and after the test, 5 solution e e e 3 Mixed Vegetable 2150.56 250.12 210.56 g trigger force. Samples measuring 1x1x1 cm were Black Mulberry 10895.16b 1210.45b 1022.16b analyzed and five replicate measurements were carried Red Grape 9600.50c 1120.16c 985.15c out for each sample. Black Carrot 4800.12d 368.14d 318.97d Pomegranate 12232.66a 1354.76a 1156.43a Sensory evaluation Means within a column with different letters are significantly different (p<0.05). Sensory panel was performed in two steps. The The pH values of the marinade solutions before and pre-trial panel and the experimental panel consisted of after marination for 24 and 48 hours are shown in Table 10 trained panelists from Afyon Kocatepe University, 2. The pH values of the marinades were between 3.80- Food Engineering Department. Each marinated 7.10, with the lowest pH measured in pomegranate sample was cut into 2.00×2.00×2.00 cm pieces juice and the highest in the control solution (p<0.05). and randomly identified with three-digit-codes. The Similarly, Obuz & Cesur (2009) found that the chicken samples were served to the panelists under artificial breast meat marinated in pomegranate juice presented light (incandescent) at room temperature (22°C) in a the lowest pH value. The pH values of the marinade random order on the same occasion. Apple juice and solutions, except for the control solution (distilled bread were offered between samplings to neutralize water), increased after marination (p<0.05). the residual flavor under fluorescent light. Samples were scored as follows: 7-8 very good, 4-6 good, and Table 2 – pH values of the marinade solutions before marination and after marination for 24 and 48 hours.