An Enduring Mystery. ARTICLE SUMMARY In recent years, controversy has erupted over whether vitamin D 2 or vitamin D 3 is the predominant form of vitamin D in cod liver oil. Research in the 1930s suggested that there were at least four if not six forms of vitamin D in cod liver oil.

Peanut/ Groundnut Shelling Machine-Automatic Nut

Advantages of Peanut Shelling Machine. 1. Cheap price, high efficiency, and low energy consumption 2. It can shell peanut completely; separate shells and kernels purely and almost without damage to the kernel; and the shelling rate can be 鈮?5%, the breaking rate is鈮?%.