Product name  Piper Longum Extract Latin name Piper longum Extract Part used SEED Appearence Yellow Brown Fine Powder Specification  10:1 Test Method UV TLC  Supplier XI’AN IMAHERB BIOTECH CO., LTD. Shelf life 2 Years When Properly Stored Storage Store in Cool & Dry Places.Please Keep Away From Strong Light -Introduction-Piper longum extract Long pepper reached Greece in the sixth or fifth century BCE, though Hippocrates, the first writer to mention it, discussed it as a …