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Studies on Hemagglutinins in California Wild Flower Seeds¹

From the Department of Biology, Graduate School, Immaculate Heart College, Los Angeles, California

Abstract

Saline extracts of 215 varieties of California wild flower seeds belonging to 42 families were tested for the presence of hemagglutinins specific for human blood factors. No specificity for A, B, O, M, N or Rh antigens was found.

Of the 215 extracts studied, 31 showed hemolytic activity and 158 were inactive. Twenty-six were nonspecific; of these, 7 were nonspecific in saline and 19, although nonreactive in saline, were nonspecific after the addition of polyvinyl pyrrolidine.

Footnotes

This work was supported in part by a grant-in-aid from the Research Division of the National Institutes of Health.