Study on the Extraction of Lysozyme from Eggshell;

Study on the Preparation of Calcium Citrate in Eggshell;

Utilizing value of wasted eggshell and its resource-making way and technique;

A feasible way to produce lactulose, employing milk ultrafiltrate as source of lactose and egg shell as catalyst, is proposed as an alternative means for utilising these industrial wastes.

The optimal conditions are shown as following: the egg shell was reduced to ashes at 1000℃ for 2h, then put water (10mL) into the ash (1g) so as to form lime.

The technological processing of calcium Pyruvate form egg shell is studied.

Introducing a method of using egg shells to produce a new type of nutritional agent citrate -malate calcium.

Hyaluronic acid has been extracted from eggshell membrane by enzymic hydrolysis.

Separating of eggshell membrane and preliminary application;

Investigation and exploiture of eggshell and eggshell membrane;

Extraction and partial characterization of hyaluronic acid from eggshell membrane;

Preparation of calcium lactate gluconate from egg shells;

The paper introduces the principle,process,and final result of preparing Calcium Citrate Malate from egg shells.

Proper conditions of making calcium acetate from egg shells are as follows:burning egg shells for one hour at 1000℃ for a complete decomposition;concertration of acetic acid ranges from 15 to 17mol·L-1 in neutralization reaction with excessive 0.