Determination of Vitamin C, b-carotene and Riboflavin Contents in Five Green Vegetables Organically and Conventionally Grown.

摘要: As consumer interest in organically grown vegetables is increasing Malaysia, there a need to answer whether the are more nutritious than those conventionally grown. This study investigates commercially available and conventionally, purchased from retailers analyse β-carotene, vitamin C riboflavin contents. Five types of green were selected, namely Chinese mustard (sawi) (Brassica juncea), kale (kai-lan) alboglabra), lettuce (daun salad) (Lactuca sativa), spinach (bayam putih) (Amaranthus viridis) swamp cabbage (kangkung) (Ipomoea aquatica). For analysis, reverse-phase high performance liquid chromatography was used identify quantify β -carotene, riboflavin. The findings showed that not all higher vitamins found only highest contents among entire samples studied. various nutrients be analysed for generation database on nutritional value which important future research.