Global Pharmaceutical Gelatin Market Assessment, By Type [Type A, Type B], By Source [Bovine, Porcine, Others], By Application [Hard Gelatin Capsules, Soft Gelatin Capsules, Others], By Function [Stabilizing, Thickening, Gelling and Others], By End-user [Pharmaceutical Companies, Biotechnology Companies, Academic and Research Institutions], By Region, Opportunities and Forecast, 2017-2031F