How to prevent nutrient loss in herbs? Low-oxygen drying (<0.5% O₂) preserves 95% active compounds. Real-time HPLC monitoring adjusts parameters automatically. admin2025-07-08T18:02:47+08:00About Technique| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestVkXing电邮