Poppy seeds are less than a millimeter in length and are minute: it takes 3 300 poppy seeds to make up a gram and a pound contains between 1 and 2 million seeds. According to The Joy of Cooking “the most desirable come from Holland and are a slate-blue color.”
Turmeric powder is a bright yellow spice powder made from dried turmeric rhizomes. While its slightly peppery and warm flavor; vibrant color; and preservative properties make it a great culinary ingredient, the presence of 'curcumin' makes it suitable for cosmetic and medicinal purposes too.