Disclosed are: a Kenaf seed powder which is gluten-free and includes a high content of protein and a food product made of wheat flour or the like by using the Kenaf seed powder. The Kenaf seed powder includes: 1) a ground and milled whole Kenaf seed, or a mixture of the ground and milled whole Kenaf seed and a different type of a powder and 2) a powder manufactured by grinding defatted Kenaf seed meal (DKSM), milling the same, and mixing the milled DKSM and a different type of a powder (including a powder made of a whole Kenaf seed).COPYRIGHT KIPO 20161) 통 케나프씨(씨앗)(Kenaf seed)를 빻기(grinding)/제분(milling)하여 그 자체 또는 다른 가루와 혼합한 것 및 2) DKSM(Defatted Kenaf seed meal)을 빻기(grinding)/제분(milling)하여 다른 형태의 가루(통 케나프씨로 만들어진 가루를 포함)와 혼합한 것으로 만들어진 가루가 밀가루 등으로 만들어진 식용 제품과 같이 개시된다.