Evaluation of Changes in Some Textured and Qualitative Properties of Cake Enriched with Wheat Germ

Document Type : Research Article

Authors

• S. Mostafa Sadeghi ¹
• Mandana Tayefe ²
• Leili Fadayi Eshkiki ³
• Kambiz Ghiasvand ⁴

¹ Associate Professor, Department of Agronomy and Plant breeding, Lahijan branch, Islamic Azad University, Lahijan, Iran

² Assistant Professor, Department of Food Science and Technology, Lahijan Branch, Islamic Azad University, Lahijan, Iran,

³ 3Msc graduated of Food Science and Technology, Lahijan Branch, Islamic Azad University, Lahijan, Iran

⁴ M.Sc graduated of Food Science and Technology, Lahijan Branch, Islamic Azad University, Lahijan, Iran

https://doi.org/10.22067/ifstrj.2023.77230.1185

Abstract

Introduction
Bakery products such as cakes are consumed in a relatively large amount all over the world due to their ready to eat format. Among different foods, bakery products provide a great opportunity to use edible portions of seeds, vegetables or other unconventional food sources. On the other hand, cakes are susceptible to oxidation due to high amounts of fat and consequently reduce shelf life. Therefore, due to the high nutritional value of cake, improving its characteristics seems necessary. Wheat germ is the richest known source of vitamin E of plant origin. Consumption of wheat germ can prevent artery- clogging and also helps fight against free radical damage and procrastination are effective in the aging process of cells and preventing coronary disease. Despite the beneficial properties of wheat germ, it is difficult to keep it raw in the formulation of crops due to the presence of high unsaturated fatty acids and lipase enzymes. However, by performing thermal processes such as steam, fluidized substrate or thermal dryer, enzymes such as lipase and lipoxygenase can be deactivated.  In this study, the effect of adding wheat germ as a rich source of fiber, tocopherols and essential fatty acids as well as ascorbyl palmitate as antioxidant compound on the qualitative and structural properties of cake was investigated.
 
Materials and Methods
In this study, five treatments of oil cake including control, ascorbyl palmitate (100 ppm), wheat germ (5, 10 and 15%), were prepared and physic-chemical properties including the moisture, firmness and volume of cake at the beginning of storage period, peroxide number and acidity during 14-day storage period were investigated. In order to evaluate the texture of the cake, texture analyzer  was performed with dimensions of 25 mm and penetration of 50% in the sample at a speed of 2 mm/s and a 30-second stop between the first and second compressions. The specific volume of the produced samples and moisture of the middle part of the samples were measured 3 hours after baking.
 
Results and Discussion
The results showed that addition of L-ascorbyl palmitate had no significant effect on moisture content, hardness and cake volume. However, wheat germ increased hardness (in amounts more than 5%), decreased moisture content and specific volume of cake. Also, with increasing the amount of wheat germ, a significant decrease in peroxide and acidity of the samples were observed during the storage period. However, the values of the mentioned indices in the sample containing palmitate ascorbyl were lower than those containing wheat germ. According to the results, it seems that the sample containing 5% processed wheat germ can be recommended as a suitable formulation for cake enrichment.
 
Conclusion
Considering that oxidation of cakes and reduction shelf life in different type of cakes are probable due to the presence of considerable amounts of fatty acids, in this study the effect of adding L-ascorbyl palmitate as a common antioxidant and  processed wheat germ due to its antioxidant behavior on the moisture content, hardness, specific volume, texture and shelf-life characteristics of the oil cake was investigated. The overall results show that by adding L-ascorbyl palmitate, there was no significant effect on moisture content, hardness and specific volume. However, processed wheat germ increased hardness (in amounts more than 5%), decreased moisture content and specific volume of cake. Also, with increasing the amount of wheat germ, a significant decrease in peroxide value and acidity of the cake was observed during the storage period. However, the values of moisture content, hardness and specific volume in the sample containing palmitate ascorbyl were lower than samples containing wheat germ. According to the results, it seems that sample containing 5% processed wheat germ can be recommended as a suitable formulation for cake enrichment and artificial antioxidant replacement.
 

Keywords

• Antioxidant
• Ascorbil palmitate
• Bakery products
• Oxidative
• Processed wheat germ

Main Subjects

• Food Technology

©2023 The author(s). This is an open access article distributed under Creative Commons Attribution 4.0 International License (CC BY 4.0), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source.

References

1. (1999). Approved Methods of the American Association of Cereal Chemists. Method 2005. The Association, St Paul, MN.
2. Asadi, Z., Masoudnia, A., & Ziabari, F. (2021). Study of physicochemical and sensory properties of gluten-free functional flat bread by replacing wheat germ flour, lentils, mash. Iranian Food Science and Technology Journal, 18(120). (In Persian)
3. Baiano, A., & Del Nobile, M.A. (2005). Shelf life extension of almond paste pastries. Journal of Food Engineering, 66, 487-495. https://doi.org/10.1016/j.jfoodeng.2004.04.020
4. Baiano, A., Romaniello, R., Lamacchia, C., & La Notte, E. (2009). Physical and mechanical properties of bread loaves produced by incorporation of two types of toasted durum wheat flour. Journal of Food Engineering, 95(1), 199-207. https://doi.org/10.1016/j.jfoodeng.2009.04.029
5. Brenes, M., García, A., Dobarganes, M.C., Velasco, J., & Romero, C. (2002). Influence of thermal treatments simulating cooking processes on the polyphenol content in virgin olive oil. Journal of Agricultural and Food Chemistry, 50(21), 5962-5967. https://doi.org/10.1021/jf020506w
6. Esfandiary, M., Farajpoor, P., Bagheri, H., & Mirarab Razi, F.(2021). Investigating the possibility of low fat cup cakes using of inulin and xanthan gum. Iranian Journal of Food Science and Technology, 12(18). (In Persian)
7. Gill, S., Vasanthan, T., Ooraikul, B., & Rossnagel, B.(2002). Wheat bread quality as influenced by the substitution of waxy and regular barley flours in their native and extruded forms. Journal of Cereal Science, 36(2), 219-237.
8. Gómez, M., González, J., & Oliete, B.(2012). Effect of extruded wheat germ on dough rheology and bread quality. Food and Bioprocess Technology, 5(6), 2409-2418. https://doi.org/10.1007/s11947-011-0519-5
9. Hassanein, M.M.M.; & Abedel-Razek, A.G. (2009). Chromatographic quantitation of some bioactive minor components in oils of wheat germ and grape seeds produced as byproducts. Journal of Oleo Science, 58, 227-233. https://doi.org/10.5650/jos.58.227
10. Hosensy, R.C. (1998). Principles of Cereals Sciences and Technology. American Association of Cereal Chemists, St Paul, MN.
11. Iranian National Standardization Organization. 15813, (2018), Hazelnut butterSpecifications and test methods.
12. Iranian National Standardization Organization. 4179, (2017), Animal and vegetable fats and oils - Determination of peroxide value - Iodometric (visual) endpoint determination.
13. Javidipour, I., Tüfenk, R., & Baştürk, A. (2015). Effect of ascorbyl palmitate on oxidative stability of chemically interesterified cottonseed and olive oils. Journal of Food Science and Technology, 52(2), 876-884. https://doi.org/10.1007/s13197-013-1086-8
14. Karami, Z., Peyghambardoost, H., Hesari, J., & Akbari Adregani, B. (2018). Isolation and identification of peptides with antioxidant properties from wheat germ protein using Pepsin enzyme, Iranian Journal of Nutrition Sciences and Food Technology, 13(4), 39-50. (In Persian)
15. Keskin, S.O., Sumnu, G., & Sahin, S.(2004). Bread baking in halogen lamp–microwave combination oven. Food Research International, 37(5),489-495. https://doi.org/10.1016/j.foodres.2003.10.001
16. Khodadadzadeh, M., & Nasehi, B. (2018). Evaluation of physicochemical properties, sensory and textural sponge cake enriched with bagasse fiber powder, JFST, 78(15). (In Persian)
17. Kiakajoori, A., & Jafarian, S. (2019). The effect of different levels of L-ascorbyl palmitate on oxidative depravity of oil cake. 3rd International and 26th National Iranian Food Science and Technology. (In Persian)
18. Matsakidou, A., Blekas, G., & Paraskevopoulou, A. (2010). Aroma and physical characteristics of cakes prepared by replacing margarine with extra virgin olive oil. LWT-Food Science and Technology, 43(6), 949-957. https://doi.org/10.1016/j.lwt.2010.02.002
19. Matucci, A., Veneri, G., Dalla Pellegrina, C., Zoccatelli, G., Vincenzi, S., & Chignola, R. (2004). Temperaturedependent decay of wheat germ agglutinin activity and its implications for food processing and analysis. Food Control, 15, 391-5.
20. Moghimi, M. (2017). Physicochemical, antioxidant and sensory properties of oil cake containing wheat germ and sesame meal. Food Science and Technology of Iran, 14(69), 318-307.
21. Nasir, M., Butt, M.S., Anjum, F.M., Jamil, A.M.E.R., & Ahmad, I.J.A.Z. (2009). Physical and sensory properties of maize germ oil fortified cakes. International Journal of Agriculture and Biology, 11, 311-315.
22. Pınarlı, İ., İbanoğlu, Ş., & Öner, M.D. (2004). Effect of storage on the selected properties of macaroni enriched with wheat germ. Journal of Food Engineering, 64(2), 249-256. https://doi.org/10.1016/j.jfoodeng.2003.10.005
23. Qavidel, R., Ghiafeh, M., Karimi, M., & Dehghan, M. (2014). The effect of adding processed wheat germ on the quantitative and qualitative properties of oil cake. Journal of Innovation in Food Science and Technology, 3(6), 59-65.
24. Rahbari, M., & Alamy, M. (2014). Wheat germ from flour waste to health-boosting, 1st National Conference on Snacks, Food Science and Technology Research Institute. (In Persian)
25. Renzetti, S., Dal Bello, F., & Arendt, E.K. (2008). Microstructure, fundamental rheology and baking characteristics of batters and breads from different gluten-free flours treated with a microbial transglutaminase. Journal of Cereal Science, 48(1), 33-45. https://doi.org/10.1016/j.jcs.2007.07.011
26. Rosental, A.J. (1995). Application of aged egg in enabling increased substitution of sucrose by Littese (polydextrose) on high ratio cakes. Journal of the Science of Food and Agriculture, 68, 127-31. https://doi.org/10.1002/jsfa.2740680120
27. Sohrabi, Y., Mohammadzadeh-Aghdash, H., Baghbani, E., Dehghan, P., & Dolatabadi, J.E.N. (2018). Cytotoxicity and genotoxicity assessment of ascorbyl palmitate (AP) food additive. Advanced Pharmaceutical Bulletin,8(2), 341-346. (In Persian). https://dx.doi.org/10.15171%2Fapb.2018.039
28. Sowmya, M., Jeyarani, T., Jyotsna, R., & Indrani, D. (2009). Effect of replacement of fat with sesame oil and additives on rheological, microstructural, quality characteristics and fatty acid profile of cakes. Food Hydrocolloids, 23(7), 1827-1836. https://doi.org/10.1016/j.foodhyd.2009.02.008
29. Srivastava, A.K., Sudha, M.L., Baskaran, V., & Leelavathi, K. (2006). Studies on heat stabilized wheat germ and its influence on rheological characteristics of dough. Journal of European Food Research Technology, 224, 365–372.
30. Sudha, M.L., Srivastava, A.K., & Leelavathi, K. ( 2007). Studies on pasting and structural characteristics of thermally treated wheat germ. European Food Research and Technology, 225(3), 351-357. https://doi.org/10.1007/s00217-006-0422-x
31. Zarenejad, F., Azadmard-Demirchi, S., Peyghambardoost, H., Nemati, M., & Rafat, S. (2013), Changes in functional compounds and some chemical properties in cake enriched with wheat germ, Journal of Research and Innovation in Food Science and Technology, 2(2), 53-66. (In Persian)
32. Zarenejad, F., Peyghambardoust, H., & Azadmard Demirchi, S. (2014). The effect of adding raw and stabilized wheat germ on the qualitative properties of mold cake. Iranian Journal of Food Science and Technology Research, 10(3). (In Persian). https://dx.doi.org/10.22067/ifstrj.v10i3.38297
33. Zhu, K., Lian, C., Guo, X., Peng, W., & Zhou, H. (2011). Antioxidant activities and total phenolic contents of various extracts from defatted wheat germ. Food Chemistry, 126, 1122-1126. https://doi.org/10.1016/j.foodchem.2010.11.144