उभयं कुष्ठगन्धि च । इति ॥ कZ_०२.११.६८ ॥
ubhayaṃ kuṣṭhagandhi ca | iti
两者(前述品种)也都有如kuṣṭha(木香/costus)般的气味;如此(鉴别)即已说明。
Smell is a practical anti-adulteration test; defining it in the text standardizes enforcement and reduces revenue leakage from misgraded goods.