I don't know who put that chart together, but it is incorrect.
I witnessed the drama over blood fractions in the 1960's with my own eyes. An extended family member, the child of Witness parents needed gamma globulin administered as a transfusion and thereafter needed regular injections for years. This was in the mid-1960's
So-called "Minor" blood fractions (Major plasma proteins) were first allowed in 1958. Over the years, four separate rationales have been offered for the allowance of fractions
1958: Rationale #1 (The Watchtower September 15, 1958 p. 575)
Serums, such as the diptheria antitoxin (Post exposure vaccines) are allowed. This would include gamma globulin, (Specifically mentioned) and serum albumin which these injections all contain either as an adjuvant or excipient.
This was reiterated in the November 15, 1964, the August 22, 1965 and the June 1, 1974 Watchtowers. In the June, 15, 1978 issue on page 31, this position was softened further. RhoGAM injections and Cryoprecipitate (Clotting factors) were also allowed.
1982: Rationale #2 Blood components are classified as either "Major" or "Minor" on the basis of volume. Minor components are allowed. (The Watchtower, June 22, 1982 pp. 25-27)
This was a new rationale, but the same divisions remained.
1990: Rationale #3 Blood components are divided up on the basis of whether or not they cross the placental barrier during gestation. (The Watchtower June 1, 1990 pp. 30,31)
Another new rationale, but the same divisions remained
2000: Rationale #4 Blood components are divided into "Primary" and "Secondary" components. Secondary components are allowed (The Watchtower June 15 200 pp. 29-31)
This rationale allowed additional fractions from components other than plasma. These include hemoglobin based blood substitutes, platelet gels, platelet cytokines, interleukin preparations, etc.