This value has been used previously to study spreading of spray and epidemical cases.
Zi-Niu Wu, Juan Li, Chen-Yuan Bai 2017, 'Scaling Relations of Lognormal Type Growth Process with an Extremal Principle of Entropy',Entropyhttp://www.mdpi.com/1099-4300/19/2/56. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
However, inconsistent results between in vitro and in vivo studies or between laboratory tests and epidemical studies are observed.
Zhuo-Yu Cai, Xu-Min Li, Jin-Pei Liang, Li-Ping Xiang, Kai-Rong Wang, Yun-Long Shi,Rui Yang, Meng Shi, Jian-Hui Ye, Jian-Liang Lu, Xin-Qiang Zheng, Yue-Rong Liang 2018, 'Bioavailability of Tea Catechins and Its Improvement', Moleculeshttp://www.mdpi.com/1420-3049/23/9/2346. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)