Duasa, Jarita; Husin, Afifah Muhamad; Asmy Mohd Thas … - In: Journal of Islamic Marketing 13 (2021) 11, pp. 2232-2253
Purpose: The sources of collagens and gelatins are recently being questioned because it sourced from porcine or non-halal slaughtered animals. There are also concerns regarding the transfer of diseases from animal sources of collagen to human users. This study aims to propose an alternative...