Product Introduction
I+G, also known as disodium 5'-inosinate and disodium 5'-guanylate, is a food additive, that enhances the umami taste in various food products [1]. The main ingredients are IMP (inosine monophosphate) and GMP (guanosine monophosphate), which are nucleotides [2]. It is typically derived from yeast extract or produced through microbial fermentation [3]. I+G is commonly used in snacks, sauces, instant noodles, and processed foods to enhance flavor [4].
Production Process
The production of I+G generally involves several steps. Firstly, IMP and GMP can be obtained from yeast extract through RNA extraction and enzymatic hydrolysis [5]. Alternatively, microbial fermentation is employed using microorganisms to produce IMP and GMP [6]. The obtained IMP and GMP are then converted to disodium 5'-inosinate and disodium 5'-guanylate through chemical or enzymatic reactions [7]. Purification, crystallization, and drying processes are used to obtain the final I+G product [8]. Quality control measures are implemented throughout the production to ensure the purity and safety of the additive [9].
Product Efficacy and Function
I+G enhances the umami taste, providing a savory and delicious flavor profile to foods [10]. It exhibits a synergistic effect when combined with monosodium glutamate (MSG), amplifying the umami sensation [11]. I+G can improve the overall palatability and acceptance of food products [12]. At the same time, it allows for reducing the amount of salt required in food formulations without sacrificing taste [13]. I+G contributes to flavor enhancement and savory taste profiles in various processed foods [14].
Product Application Scenarios
I+G is widely used in the food industry across a variety of applications. It is commonly added to snack foods such as chips, crackers, and flavored nuts to enhance their savory flavor [15]. Sauces, dressings, and condiments often contain I+G to improve their umami taste and overall flavor complexity [16]. Instant noodles, soups, and bouillon cubes also benefit from the flavor-enhancing properties of I+G [17]. Processed meats, seafood products, and vegetable-based dishes incorporate I+G to enhance their savory profile [18].
Packaging and Storage
I+G is typically packaged in multi-layer packaging bags or containers to protect it from moisture, light, and air [19]. Proper labeling includes the product name, ingredient information, manufacturer details, and storage instructions [20]. It should be stored in a cool, dry, and well-ventilated area to maintain its quality and prevent degradation [21]. The recommended storage temperature is generally below 25°C [22]. Keeping the product away from direct sunlight and high humidity will prolong its shelf life [23].
Citations:
[1] Chandrashekar, J., Hoon, M. A., Ryba, N. J., & Zuker, C. (2006). The receptors and cells for mammalian taste. Nature, 444(7118), 288-294.
[2] Kuninaka, A. (1967). Nucleic acids as food additives. Chemical Senses and Flavor, 2(4), 387-404.
[3] Leuchtenberger, W. (1996). Amino acids—technical production and uses. Applied Microbiology and Biotechnology, 46(6), 541-572.
[4] Yamaguchi, S. (1991). Use of monosodium glutamate in improving the taste of foods. Food Reviews International, 7(1), 1-22.
[5] Eyal, A., & Baniel, A. (1982). Extraction of RNA from baker's yeast by means of liquid-liquid extraction. Biotechnology and Bioengineering, 24(3), 687-696.
[6] Teshiba, S., & Furuya, A. (1983). Production of nucleic acid-related substances by microorganisms. Trends in Biotechnology, 1(1), 13-18.
[7] Ogata, K., Kinoshita, S., Tsunoda, T., & Aida, K. (1976). Microbial production of nucleic acid related substances. Kodansha.
[8] Belitz, H. D., Grosch, W., & Schieberle, P. (2009). Food chemistry. Springer Science & Business Media.
[9] Walker, R. (1990). Naturally occurring food toxicants. Trends in Food Science & Technology, 1(4), 156-162.
[10] Kurihara, K. (2009). Umami the fifth basic taste: Emergence of umami receptors. Trends in Food Science & Technology, 20(1), 4-17.
[11] Yamaguchi, S., & Ninomiya, K. (2000). Umami and food palatability. Journal of Nutrition, 130(4S), 921S-926S.
[12] Bellisle, F. (1999). Sensory effects of dietary amino acids. Amino Acids, 17(3), 263-277.
[13] Roininen, K., Lähteenmäki, L., & Tuorila, H. (1996). Effect of umami taste on pleasantness of low-salt soups. Food Quality and Preference, 8(5-6), 413-419.
[14] Maga, J. A. (1983). Capsicum. CRC critical reviews in food science and nutrition, 18(4), 371-409.
[15] Potter, N. N., & Hotchkiss, J. H. (1998). Food science. Springer Science & Business Media.
[16] Hui, Y. H. (2006). Handbook of food and beverage fermentation technology. CRC press.
[17] Wilson, B. (1994). Instant noodles. Food Reviews International, 10(1), 1-39.
[18] Pearson, A. M., & Gillett, T. A. (1999). Processed meats. Springer Science & Business Media.
[19] Coles, R., McDowell, D., & Kirwan, M. J. (2003). Food packaging technology. Blackwell Publishing.
[20] Kilcast, D., & Subramaniam, P. (2000). The stability and shelf-life of food. CRC press.
[21] Robertson, G. L. (2013). Food packaging: principles and practice. CRC press.
[22] Labuza, T. P. (1982). Shelf life dating of foods. Food & Nutrition Press.
[23] Singh, R. P., & Heldman, D. R. (2013). Introduction to food engineering. Academic press.
As the plant manager, I focus on the precise formulation and efficient production of food additives. We rigorously control the production process to ensure the quality and safety of each product, meeting industry standards. 🍴










