In article <143493 at netnews.upenn.edu>, lhyatt at mail.sas.upenn.edu (Laura Hyatt) writes:
>Help! I'm trying to extract seeds for a predation experiment from some
>on-site collected fruits (Phytolacca americana, Rubus allegheniensis).
1. Have you tried a juicer? (Dry down the pulp and sieve).
2. For Rubus, pectinase (available in wine-making supply shops) will
probably remove most of the slime. I've found tannic acid (1M) to be
a very good solution for removing protein slimes. -RSW
>Extraction is difficult, esp. to separate the skin of the fruit and the
>pulp from the individual seeds. Has anyone out there spent time pulling
>seeds out of fruits by a more sophisticated method than mashing the seeds
>and sitting down with tweezers while listening to NPR? Weak acid has been
>suggested, but I'm worried about the effect this will have on the
>palatability of seeds.
RICHARD WINDER Title: Visiting Fellow
Forestry Canada Phone: (604) 363-0600
Victoria, B.C. Internet: RWINDER at A1.PFC.Forestry.CA