https://nationallecithin.com/2021/07/sunflower-lecithin-vs-soy-lecithin-whats-the-difference/
UNFLOWER LECITHIN VS SOY LECITHIN: THE DIFFERENCE
Are there any differences between sunflower lecithin and soy lecithin? Yes! Besides being derivatives of natural plant sources, soy and sunflower lecithin are both similar and different in their own unique ways:
Extraction Method
The cold press, which is the extraction of sunflower lecithin, is considered healthier and more natural as no additional solvent is required. The natural process makes the Lecithin healthy and trustable among consumers.
中药材也应该冷冻打粉以避免用硫磺干燥保持.云南冻干三七粉是冷冻打粉.板蓝根也应该冷冻打粉后真空包装.这样更安全.
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