(info at lgberry dot com) 1. The test method: UV 2. The active ingredient: Anthocyanin 3. Specification: 5% Anthocyanin, 10% Anthocyanin, 15% Anthocyanin, 20% Anthocyanin, 25% Anthocyanin, 33% Anthocyanin, our highest content of Anthocyanin up to 35%, or according to the requirement of clients. 4. Character: It has its own character about the color according to different specifications. For ...