TABLE 1.

Fatty acid compositions of C. parvum whole oocysts and oocyst walls

Fatty acid	Melting point (°C)a	Occurrenceb in:
		Oocyst walls	Whole oocysts
Dodecanoic acid	44.2		+
Tetradecanoic acid	53.9		+
6-Hexadecenoic acid	ND	+
cis-9-Hexadecenoic acid	ND		+
Hexadecanoic acid	63.1	+	+
6-Octadecenoic acid	33.0	+
cis-9-Octadecenoic acid	16.3		+
9-(Z)-Octadecenoic acid	44.5	+
Octadecanoic acid	69.6	+	+
3-OH-octadecanoic acid	ND		+
9,15-Octadecadienoic acid	ND	+
cis-Eicosadienoic acid	ND		+
11,14-Eicosadienoic acid	ND	+
3-OH-tetracosanoic acid	ND	+

^aData are from CRC Handbook of Microbiology (26). ND, not determined.

^b+ indicates the presence of the fatty acid.