Natural Ovarian Failure Female Time Immobile. Experiment 5: (Phyto-low or Phyto-600 diet exposure from conception to until the end of the experiment at 365 days of age. All females experienced NOF at around 295 days old).Down yellow triangle Phyto-600 time immobile significantly lower than Phyto-low animals. Down orange triangle Phyto-low After time immobile significantly decreased compared to Before time immobile. Before refers to 1st Porsolt test, After refers to 2nd Porsolt test, all data expressed as the mean ± the standard error of the mean (SEM).