Bioconversion and bioeconomics of thorn stringray skin waste (Dasyatis sp.) as a commercial leather products

Abstract

Stingray skin can be utilized and processed into commercial products with high economic value. The aim of the research is to maximize the use and increase the economic value of thorn stingray skin waste through the processing of commercial products (wallet and bracelets) that consumers prefer. The research method used product design & processing, added value, and consumer preferences. The number of stingray skins used for processing 1 (one) men’s/women’s wallet-bag is two skin sheets (IDR. 100,000). The commercial leather products produced are women’s wallets-bag (hanging model, type 3-in-1, maroon, moss green, light brown, pink) and men’s wallet-bag (handle model, type 3-in-1, black and light brown), with four pieces of pearl bracelet and two beaded bracelet. Based on the analysis results, it is known that the selling value of women’s wallet-bags is IDR 950,000 per piece & men’s wallet-bags is IDR. 1,500,000; pearl bracelet is IDR. 200,000 & beaded bracelet is IDR 150,000. The economic value obtained from processing 1 item of stingray leather wallet-bag (for women) is IDR 1,500,000 & added value is IDR 1,400% while for men is IDR 2,050,000 & added value 1,950%. The level of consumer preference of the main products is women’s wallet-bag are 85% very likes & 15% likes and men’s wallets are 90% very likes & 10% like. Derivative products are pearl bracelets (100% very like) and bead bracelets (87% very like & 13% like). The total economy value, added value & consumer preferences of the stingray leather product of men’s wallet are higher than women’s wallets.