Dear team, I have tried making cream. น้ำมันมะพร้าว with the following ingredients: 1. Water 74% 2. น้ำมันมะพร้าว Extraction Cool 20 % 3. Soft Cream Maker™ 5% 4 . Mild Preserved Eco™ ( Preservative-Free ) 1 % Made it out and kept for about 2 weeks. The cream started to smell sour. I want to know wha...