≥98%
≥98%(GC)
98%
96%
≥98%(HPLC)(T)
97%
≥98%(HPLC)
≥98%, contains 0.10% alpha-tocopherol as antioxidant
95%
≥97%
≥98%(GC)(T)
≥97%(T)
≥97%(HPLC)