Proceedings of the 5th International Seminar on Science and Technology (ISST 2023)

Session: Chemistry

3 articles
Proceedings Article

Bioactivity of Sinbiotics Products Based on Banggai Sweet Potato (Dioscorea sp) and Seaweed (Eucheuma cottonii) Caragenance

Nurhaeni, Jusman, Syamsuddin
One of the local agricultural commodities of Central Sulawesi is Banggai sweet potato (Dioscorea sp) and seaweed (Eucheuma cottonii) which contain nutrients to support public health. This study aims to find a synbiotic drink formulation with the highest bioactivity and best sensory value based on Banggai...
Proceedings Article

Determination of Gold Phytoavailability in Soil by Diffusive Gradients in Thin Films and Brassica juncea L Plant

Khairuddin Khairuddin, Ruslan Ruslan, Muhammad Mirzan, Ahmad Fauzan Tambuak
Diffusive gradients in thin films (DGT) techniques, a recently developed approach for assessing gold (Au) phytoavailability is beginning to gain traction due to its advantages over conventional soil extractants. A greenhouse study was conducted to determine Au thresholds and the phytoavailability of...
Proceedings Article

Conversion of α-Pinene into More Valuable Compounds by Using Rahims 3rd Generation Catalyst

Erwin Abdul Rahim, Yunianty Indar Sari, Masashi Shiotsuki
The hydration reaction of α-pinene and the isomerization reaction of α-pinene were studied with Rahims 3rd generation catalyst. The aim of this study was to determine the level of terpineol compounds formed in the hydration reaction of α α-pinene and the product compounds formed in the isomerization...