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单词 usnic acid
释义

usnic acid

/ˈʌznɪk /
noun [mass noun] Biochemistry
A yellow crystalline compound which is present in many lichens and is used as an antibiotic.
  • A tricyclic phenol; chemical formula: C18H16O7.
Bitter orange, aristolochic acid and usnic acid are all used for weight loss....
  • Although several synthetic compounds inhibit this key pigment enzyme, the scientists found that usnic acid was over 10 times more effective than others tested.
  • I don't know anyone else who's working on the toxicity of usnic acid besides me.

Origin

Mid 19th century: usnic from medieval Latin usnea (from Arabic ushnah 'moss') + -ic.

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更新时间:2026/8/15 2:08:55