Table 2.

A list of AHR Ligand abundant in diet

Dietary	AHR ligand	References
Brassica vegetables	Indolyl glucosinolates	Li et al. 2011 [205]
	I3C	Bjeldanes et al. 1991; Hammerschmidt-Kamper et al. 2017; Ito et al. 2007 [80, 355, 356]
	LTr-1	Bjeldanes et al. 1991[80];
	DIM	Bjeldanes et al. 1991; Yin et al. 2012 [80, 357]
	ICZ	Bjeldanes et al. 1991; Jellinck et al. 1993 [80, 358]
Tryptophan and microbial metabolism	IA	Vyhlídalová. et al. 2020 [359]
	IAA	Miller 1997; Jin et al. 2014 [360, 361]
	IPA	Aoki R et al. 2018 [354]
	IAld	Bjeldanes et al. 1991; Zelanteet al. 2013 Alexeev et al. 2018[20, 80, 110]
	IAAld	Agus et al. 2018 [362]
	ILA	Meng et al. 2020 [363]
	Skatole	Weems and Yost et al. 2010; Hubbard 2015 [113, 364]
SCFA	Butyrate	Marinelli et al. 2019 [365]
Natural plant extracts	Berberin	Jing et al. 2021 [366]
	Resveratrol	Casper et al. 1999 [367]
	Mangosteen ketones	Tocmo et al. 2020 [368]
	Flavonoids	Zhang et al. 2003 [79]
	Indigo naturalis	Adach et al. 2001 [118]