It explains the propensity for oversalting their food, but not the kind of sweet tooth that produces ghetto kool-aid.
I made the SNP post while in a massive flu stupor and Im on meds so I may now add info I left out and correct some that I did the math a little wonky on thanks for reminding me. This should also be a bit less dense and easier to pull from as it will be simplified somewhat.
Sweetness
SNP: rs35874116 (T/G)
The G allele is linked to high sweetness sensitivity.
It's frequency in populations is: Asians: ~30-40% Europeans: ~40-50% Africans: ~50-60% G allele. lowest in Asians, Highest in Africans.
Umami/Savory
SNP: rs34160967 (C/T)
The C allele is linked to stronger sensitivity for Umami.
It's frequency in populations is: Asians: 60-70% C allele. Europeans :~30-40% C allele. Africans: ~25-35% C allele. Highest in Asians, lowest in Africans.
Spiciness/Capsaicin
SNP: rs8065080
The C allele is linked to stronger sensitivity for Capsaicin.
It's frequency in populations is: Asians: 60-70% C allele. Europeans: ~40-50% C allele. Africans: ~30-40% C allele. Highest in Asians, lowest in Africans.
Sourness
SNP: rs967931
The A allele is linked to stronger sour sensitivity.
It's frequency in populations is: Asians: 60-70% C allele. Europeans: ~40-50% A allele. Africans: ~30-40% A allele. Highest in Asians, lowest in Africans.
Salt
SNP: rs239345
The T allele is linked to higher salt sensitivity.
It's frequency in populations is: Asians: ~30-40% T allele. Europeans: ~40-50% T allele.. Africans: ~50-60% T allele. Highest in Africans, lowest in Asians.
Fat
SNPs: rrs1761667 and rs1527483
AA genotype: Individuals perceive dietary fat less intensely and may consume higher-fat foods to achieve satisfaction.
G allele:Linked to greater ability to detect fat in foods, potentially leading to reduced fat intake.
It's frequency in populations is: Asians: ~35-45% AA , ~55-65%GG. Europeans: ~30% AA , ~70%GG. Africans: ~35-45% AA, ~55-65% GG. AA: Asians and Africans tied for the higher value. GG Euros highest Asians and Africans lower.
Bitterness
SNP: rs713598
Three Variants:
PAV/PAV(supersensitive),
PAV/AVI("normal"),
AVI/AVI("non-taster") (color coded for east of reading)
The data: For some reason I think in my flu addled mind I think I combined both PAV/PAV and PAV/AVI percents, heres a more accurate breakdown:
Europeans:
PAV/PAV ~20-30%,
PAV/AVI ~40-50%,
AVI/AVI ~30-40%
Africans:
PAV/PAV ~30-40%,
PAV/AVI ~40-50%,
AVI/AVI ~20-30%
Asians:
PAV/PAV ~30-40%,
PAV/AVI ~50-60%,
AVI/AVI ~10-20%
Apologies for previous fuck ups this all should be much better. And as per the kool aid question, they have the highest sweet sensitivity so I assume they get super addicted to it like many other drugs they love. But thats just my theory,