Anti-inflammatory peptide that may facilitate successful blood feeding of ticks and may lead to immunotolerance in its host. Inhibits the secretion of inflammatory factors in rat splenocytes, such as tumor necrosis factor-alpha (TNF), interleukin-1, interleukin-8 (CXCL8) and interferon-gamma (IFNG). In addition, shows strong free radical scavenging and antioxidant activities in vitro. In vivo, inhibits adjuvant-induced paw inflammation in mouse models. Salivary glands.