標準參考物質苦橙

Bitter Orange，also known as Seville orange, sour orange, and Zhi shi, has been used in traditional Chinese medicine and by indigenous people of the Amazon tropical rain forest for nausea, indigestion and constipation.苦橙，也被稱為塞維利亞橙，酸橙和芝士，已被用於中藥和亞馬遜熱帶雨林的土著人民的噁心，消化不良和便秘。 Currently, bitter orange are used for heartburn, loss of appetite, nasal congestion and weight loss.目前，苦橙用於胃灼熱，食慾不振，鼻充血和體重減輕。 Furthermore, it has also been applied to skin for fungal infections such as ringworm and athlete's foot.此外，它還被用於皮膚感染，例如癬和腳癬等真菌感染。
Bitter orange has been used as a substitute for ephedra, a dietary supplement for weight loss but now banned by the US Food and Drug Administration (FDA).苦橙已被用作麻黃的替代品，麻黃是減肥的膳食補充劑，但現在被美國食品和藥物管理局（FDA）禁止使用。 The dried fruit and peel of bitter orange - and sometimes the flowers and leaves - are taken by mouth in extracts, tablets and capsules.乾果和苦橙皮-有時是花朵和葉子-通過提取物，片劑和膠囊劑經口攝取。 Bitter orange oil also can be applied to the skin.苦橙油也可以塗在皮膚上。 The National Institute of Standards and Technology supplies standardized samples of bitter orange in three forms that represent different analytical measurement challenges: ground fruit, extract and solid oral dosage form (tablets).美國國家標準技術研究所以三種形式提供了代表不同分析測量挑戰的苦橙標準化樣品：磨碎的水果，提取物和固體口服劑型（片劑）。