Taste underlying mustard and mace ingredients first of all

• Taste found in aged cheese
• Savory food quality
• Rich, savory flavor
• Savoury taste sensation produced by glutamates — I, a mum (anag)
• Soy sauce taste
• "Fifth taste" found in soy sauce and shiitake mushrooms and cock-a-leekie
• Savory taste first identified in Tokyo
• Taste that's not sweet, sour, bitter or salty
• Taste enhanced by shrimp paste

Wiktionary Word definitions in Wiktionary
n. 1 One of the five basic tastes, the savory taste of foods such as seaweed, cured fish, aged cheeses and meats 2 The taste of flavor enhancers added to food to accentuate savoriness, notably monosodium glutamate