1-ISIRI. 2008. Yogurt- test propertiese. Numer standard: 645. 4th edition.
2- SHIBY, V. & MISHRA, H. 2013. Fermented milks and milk products as functional foods—A review. Critical reviews in food science and nutrition, 53, 482-496.
3- Sandoval-Castilla, O., Lobato-Calleros, C., Aguirre-Mandujano, E. & Vernon-Carter, E. J. (2004). Microstructure and texture of yogurt as influenced by fat replacers. International Dairy Journal, 14, 151-159.
4- Kowalski, A. Jachnowicz, A. Z., & Babuchowski, A. 2000. Yoghurt market in the United Kingdom. Natural Sciences, 6: 131- 141.
5- Şahan, N, K, Yasar, A A, Hayaloglu, 2008, Physical, chemical and flavour quality of non-fat yogurt as affected by a b-glucan hydrocolloidal composite during storage, Food Hydrocolloids, 22: 1291-1297.
6- Uven, M., & Karaca, O.B. (2002). The effects of varying sugar content & fruit concentration the physical properties of vanilla & fruit ice cream type frozen yogurt. International Journal of Dairy Technology, 55, 27-31.
7- AACC. (2001). The definition of dietary fiber. Cereal Foods World, 46: 112–126
8- Sendra, E., Fayos, P., Lario, Y., Fernandez- Lopez, J., Sayas-Barbera, E. and Jose Angel,P.A. (2008). Incorporation of citrus fibers in fermented milk containing probiotic bacteria. Food Microbiology, 25: 13–21.
9- Thiago, L. R. and Kellaway, R. C. (1982). Botanical composition and extent of lignifications affecting digestibility of wheat and oat straw and pastalum hay. Animal Feed Science and Technology, 7: 71–81.
10-Aghazadeh, M., Mohammadi,Kh., Totonchi, S., Farahanian, Z. 2010. Producing set yogurt using corn starch and gelatin. Food science and nutrition. 3:65-73(In persian).
11- Zomorodi, S. H. (2012). Physicochemical, rheological and sensory properties of stirred fruit yoghurt fortified by wheat fiber. Journal of Food Research, 22 (4): 443-454.
12- Guggisberg, D., Cuthbert-steven, J., Piccinali, P., Butikofor, U., & Eeberhand, P. (2009). Rheological, microstructural and sensory characterization of low-fat and whole milk Set yoghurt as influenced by inullin addition. Internation Dairy Journal, 19, 107-115.
13- AOAC, 2002. Official Methods of Analysis of AOAC International, 17th ed. AOAC International, Gaithersburg, MD.
14- Farnsworth, J.P., Lia, J., Hendricks, G.M. and Guo, M.R. 2006. Effects of transglutaminase treatment on functional properties and probiotic culture survivability of goat milk yogurt. Small Ruminant Research. 65: 113-121.
15- Karim.G. 2015. Tehran university press. 6th edition (In persian).
16- Lourens-Hattingh, A., Viljoen, B.C. (2001). Yogurt as probiotic carrier food. Int Dairy J; 11: 1-17.
17-Shakeri, M. 2000. Using of butter waste in production of probiotic yogurt. Msc thesis of Ferdowsi University (In persian).
18- King, L. 1996. Whey protein concentrate as ingredients. Food Tech. Europe. 3(1).
19- Anonymous. (2004). Position of the American Dietetic Association: Use of Nutritive and Nonnutritive Sweeteners. Journal of the American Dietetic Association 104(2):255-275.
20- Lucey, J. A. 2004. Formation, structural properties and rheology of acid-coagulated milk gels. In Cheese: Chemistry, Physics and Microbiology. Vol. 1. General Aspects (Ed. P. F. Fox, P. L. H. McSweeney, T. M. Cogan and T. P. Guinee). 3rd ed. Elsevier Academic Press, London. pp. 105-122.
21- Dello Staffolo, M., Bertola, N., Martino, M. and Bevilacqua, A. (2004). Influence of dietary fiber addition on sensory and rheological properties of yogurt. International Dairy Journal, 14: 263–268.
22- Bebggeen, R. E. L. (1938). The effect of gelatin on the curd tension of milk. Journal of Dairy Science, 21(8), 463-474.
23- Akalm, A.S., Karagözlü, C., and Ünal, G. 2008. Rheological properties of reduced-fat and low-fat ice cream containing whey protein isolate and inulin. European Food Research and Technology, 227: 889-895.
24- Capela, P., Hay, T. K. C. and Shah, N. P. (2006). Effect of cryoprotectants, prebiotics and microencapsulation on survival of probiotic organisms in yoghurt and freeze-dried yoghurt. Food Research International, 39: 203–211.