KWV's uses Rooibos bark instead of chemicals to make sulphur-free Pinotage

Link2media, the South African press release service: KWV launches world's first 'natural' pinotage using patented technology
Landbou.com: Rooiboshout vir natuurlike wyn
The UK-based The Drinks Business: KWV ditches sulphur for Rooibos
The South African Hospitality Marketplace website: KWV Launches World's First Natural Pinotage Using Patented Technology
Wine sommelier Miguel Chan's Wine Journal: KWV Launches World's First Natural Pinotage Using Patented Technology