Explanation

Bile juice is yellowish-green or greenish-blue alkaline (pH-7.7) fluid. It contains about 90% water, 60% bile salts, 3% bile pigments, etc. The common bile salts are sodium chloride, sodium bicarbonate, sodium glycocholate and sodium taurocholate. Cholecystokinin directly stimulates contraction of gall bladder and bile flow starts.