Thanks for your explanation Harry. The subject is fraught, is it not? I am wondering if I should blow my $60 per sample to get HPLC tests done or not Michael Bailes, The Fragrant Garden, Portsmouth Road, Erina. N.S.W. 2250 Australia. (OZ) Int fax 61 243 651979 Phone 61 243 677322 EMAIL: frgntgar@ozemail.com.au Web page at: http://www.ozemail.com.au/~frgntgar/ 1998 Chilli Festival 8/9 March. http://www.ozemail.com.au/~frgntgar/chili/festival1998.html Free newsletter at http://www.ozemail.com.au/~frgntgar/newsletters/index.html