National Toxicology Program (NTP)的文件也有:
How much aloin is in a typical drink?
This is not clear. Industry usually processes the Aloe vera leaf to make a decolorized whole leaf extract to remove aloin. Industry has a self-regulated upper limit standard of 10 ppm of aloin in orally ingested products, but there are no labeling requirements for aloin content.
摘要: 一般飲料中的蘆薈素量沒有特殊標準, 工業界中有一個共通標準為10 ppm的限量值
來源: https://www.niehs.nih.gov/health/materials/aloe_vera_508.pdf