You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which substance is responsible for the taste sensation marked in blue? and explain in detail?
Taste sensation marked in purple denotes Umami taste. 1. Sweet Taste (Pink): sugars, glycols, alcohols, aldehydes, ketones, amides, esters, some amino acids, some small proteins, sulfonic acids, halogenated acids, and inorganic salts of lead and beryllium 2. Salty Taste (Purple): cations of the salts, especially sodium cations 3. Sour Taste (Green): approximately propoional to the logarithm of the hydrogen ion concentration 4. Bitter taste (Yelllow): Long-chain organic substances that contain nitrogen and alkaloids 5. Umami (Blue): Umami, a Japanese word meaning "delicious," designates a pleasant taste sensation. Umami is the dominant taste of food containing L-glutamate, such as meat extracts and aging cheese.