a fluid that is secreted in small quantities in the small intestine, is highly variable in constitution, and contains especially various enzymes (as erepsin, lipase, lactase, enterokinase, and amylase)
Intestinal juice, clear to pale yellow, watery secretion composed of hormones, digestive enzymes, mucus, and neutralizing substances released from the glands and mucous-membrane lining of the small and large intestines.
Intestinal juice also contains hormones, digestive enzymes, mucus, substances to neutralize hydrochloric acid coming from the stomach and erepsin which further digests polypeptides into amino acids, completing protein digestion.