Amino acids such as glutamic acid and proline are fundamental building blocks of proteins and play crucial roles in food chemistry, particularly in flavor enhancement and nutritional value. Glutamic acid is primarily responsible for the umami taste sensation and occurs naturally in many foods including tomatoes, cheese, and fermented products. It is also the key component of monosodium glutamate (MSG) used as a flavor enhancer in spices and processed foods. Proline contributes to sweetness perception and participates in Maillard browning reactions during cooking, generating aroma compounds. Both are essential in human nutrition, with glutamic acid serving as a neurotransmitter precursor and proline important for collagen structure. These compounds exhibit high stability under typical food processing conditions and are widely studied in peer-reviewed food science literature for their sensory and functional properties.