Factory supply 10:1 black walnut powder extract, black walnut extract

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Black walnut (Juglans Nigra.), Also known as black walnut, is a well-grown walnut with an average height of 20-30m, a diameter of 1m-1.5m, and a density of about 0.560.67 g / cm3. The black walnut heart and sapwood are clearly distinguished, the sapwood is light yellow-brown to light chestnut brown, the heartwood is reddish brown to chestnut brown, sometimes purple, with dark stripes, and the air is chocolate-colored, and the growth wheels are obvious. Invasive fillings are common, with thin wood rays, obvious under a magnifying glass, axial thin-walled tissue under a magnifying glass, ray streaks on the radial section, and no wave marks

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