noun
artificial flavoring
Refers to synthetic substances used to impart flavor to food, beverages, or other products.
このお菓子には人工香料が使われている。
Artificial flavoring is used in this candy.
noun
synthetic perfume
Refers to man-made fragrance compounds used in perfumes, cosmetics, or scented products.
その香水は天然香料ではなく人工香料で作られている。
That perfume is made with synthetic perfume, not natural fragrance.
天然香料 refers to natural flavoring or fragrance derived from plants or animals, while 人工香料 is synthetic.
Compound of 人工 (じんこう, 'artificial') and 香料 (こうりょう, 'flavoring' or 'fragrance').