Practical Super tasters by Luciana Torquati https://padlet.com/ltorquati1/3qpa481o27sbx2bt This is a summary of what happened in this session en-us 2021-10-26 11:36:14 UTC 2025-10-06 13:00:12 UTC hello@padlet.com 1. Assessing the bitter response to different foods ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844673722 In this first part we got students to taste different food and drinks, and rate their bitterness and sweetness]]> 2021-10-26 11:48:40 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844673722 We randomised the order of samples and blinded samples where possible ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844705816 2021-10-26 12:04:42 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844705816 Food samples were prepared as per handout ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844706380 2021-10-26 12:05:00 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844706380 ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844856246 2021-10-26 13:01:55 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844856246 ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844866403 2021-10-26 13:05:09 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844866403 C ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844868808 2021-10-26 13:05:52 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844868808 A ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844875145 2021-10-26 13:07:50 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844875145 B ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844877177 2021-10-26 13:08:24 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844877177 We used PTC paper strips for PROP test ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844889073 2021-10-26 13:11:51 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844889073 2. Screening for Supertasters ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844891803 This is the second part of the prac, where we use PTC paper strips and food colorant to identify supertasters]]> 2021-10-26 13:12:40 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844891803 Can you spot the supertaster? ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844914168 (check fungiform papilae density - pink large ones)]]> 2021-10-26 13:18:52 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844914168 ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844985893 2021-10-26 13:38:27 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1844985893 Students tastes samples and rated bitterness ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845001223 2021-10-26 13:42:35 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845001223 Recorded ratings in handout ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845007323 2021-10-26 13:44:17 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845007323 Then 'painted' our tongues with blue food colorants ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845042361 2021-10-26 13:53:21 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845042361 The pink spots that did not take on blue colour, were counted in a delimited area ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845049892 2021-10-26 13:54:55 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845049892 3. Data analysis and crunching number ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845077155 2021-10-26 14:01:55 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845077155 Data was collected into handout tables ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845095891 2021-10-26 14:06:53 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845095891 Participants rated bitterness ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845133334 2021-10-26 14:16:42 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845133334 Data was plotted into figures to look for trends/association ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845144440 2021-10-26 14:19:42 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845144440 There was no association between fungiform papillae and PROP scoring ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845242562 2021-10-26 14:45:35 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845242562 Higher PROP scorers rated grapefruit juice as bitter ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845249316 2021-10-26 14:47:27 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845249316 Higher PROP scorers rated higher bitterness for caffeine ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845263160 2021-10-26 14:51:08 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845263160 In conclusion, there were some associations between being a 'super taster' and rating foods as very bitter. ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845289815 But the most clear result is the qualitative assessment of fungiform papillae (nr and size) in the higher PROP scores (7= B and 8=C)]]> 2021-10-26 14:58:31 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845289815 7-9 scores = supertaster (ability to taste PTC) ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845302450 2021-10-26 15:01:57 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845302450 What did you think about this practical? Post your toughts below ltorquati1 https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845317624 2021-10-26 15:06:04 UTC https://padlet.com/ltorquati1/3qpa481o27sbx2bt/wish/1845317624