The product is a neutral polysaccharide produced in the process of culturing Aureobasidium pullulans. 3 glucose through α-1,4 glycosidic bonds to form maltotriose, and then repeated bonding through α-1,6 glycosidic bonds to make the structure of the pullulan.

This standard specifies the specifications, technical indicators and requirements, test methods, inspection rules, criterion rule and requirements of product packaging, labeling, transportation and storage of empty pullulan capsules.This standard is applicable to empty pullulan hard capsules made of pullulan and auxiliary materials and pullulan should meet relevant requirements.

Pullulan polysaccharide hollow capsule is a pure natural product, a complete plant source, without the need to add any preservatives during its production. With advanced technology and reasonable formula, this capsule is suitable for the use of various filling machines, and the upper rate can be comparable with ordinary gelatin capsules. The pullulan capsules produced by our company provide better guarantee for the safe use of medicines and health products, and also provide more choices for vegetarians.

The raw materials of empty capsules can generally be divided into gelatin capsules and vegetarian capsules. Gelatin is a white or light yellow, translucent, micro-glossy sheet or powder that is degraded by collagen in connective tissue such as animal skin, bone, and sarcolemma. It is a hydrophilic colloid of macromolecules and is a low-calorie health food with high nutritional value. Another large class of capsules are plant capsules. The outer shell of a plant capsule is generally prepared from a material such as starch, HPMC, Pullulan.