IWA Publishing

Table 2

Summary of the Ascaris egg viability results for each test temperature of the current study

Temperature (°C)	Damage not visible	Visible damage	Complete die-off^b
60 °C	30 seconds	3 minutes	–
65 °C	15 seconds	3 minutes	–
70 °C	5 seconds	2 minutes	15 seconds
75 °C	5 seconds	1 minute	10 seconds
80 °C	5 seconds	5 seconds	5 seconds
80 °C – Short^a	1 second	4 seconds	4 seconds

Temperature (°C)	Damage not visible	Visible damage	Complete die-off^b
60 °C	30 seconds	3 minutes	–
65 °C	15 seconds	3 minutes	–
70 °C	5 seconds	2 minutes	15 seconds
75 °C	5 seconds	1 minute	10 seconds
80 °C	5 seconds	5 seconds	5 seconds
80 °C – Short^a	1 second	4 seconds	4 seconds

^aShort refers to the repeated 80 °C experiment with exposure times between 1 and 10 seconds.

^bComplete die-off was confirmed by microscopic analysis post-incubation.