tartaric acid crystals in polarized light

abstract acid additive agent antioxidant background baking chemical chemics chiral chirality color colorful crystal crystalline diprotic esthetical experiment food laboratory leavening levotartaric light macro microcrystal microphoto microphotography microscope microscopic pattern polarisation polarization polarized psychedelic rainbowcolored science scientific shape sour spectral spectralcolored spectrum structure tartar tartrate texture wine