active ingredient

常见例句

It was widely thought, however, that the effect only works if the patient believes that the treatment they are receiving contains an active ingredient.
不过，人们普遍认为只有在病人坚信他们所接受的治疗含有有效成分时安慰剂效应才会发生。
By 1897 a synthetic derivative (acetyl salicylic acid) of the plant’s active ingredient (salicin) was created. This allowed aspirin to become the most widely used medicine in the world.
1897年，这种植物中的有效成分的人工合成衍生物诞生了，于是阿司匹林变成了世界上应用最广泛的药品。
"Not only did we make it absolutely clear that these pills had no active ingredient and were made from inert substances, but we actually had 'placebo' printed on the bottle, " said Kaptchuk.
“我们不仅清楚明了地表示了这些药丸不含任何有效成分，只是用一些无效物做的，而且实际上我们还在药瓶上贴上了‘安慰剂’标志，”普彻克说到。

Glyphosate, the active ingredient in Monsanto's hit herbicide Roundup, was going off patent the next year.
FORBES: Magazine Article
Per 100 grams, baobab actually has more soluble fiber than psyllium, the active ingredient used in laxatives.
FORBES: The Superfruit That's Truly Super: Baobab Boosts Health, Poor African Families & Gin
The Fenilox didn't contain any active ingredient, meaning the drug wouldn't prevent bones from weakening and breaking.
FORBES: Magazine Article