Welcome to Xi’an Rainbow Biotech Co., Ltd – your trusted partner in high-purity botanical ingredients. With over 16 years of expertise, we specialize in extracting premium active compounds from plants and mushrooms, including polysaccharides, saponins, polyphenols, and flavones. From nature’s finest sources to advanced scientific processing, we deliver reliable, high-quality extracts, natural pigments, fruit & vegetable powders, and functional mushroom ingredients for nutraceuticals, food & beverages, cosmetics, and animal nutrition.
Our processing center, BioconNutri Biotech, which comprises 3,500 square meters of space, has been fully operational since 2019. Backed by certifications including ISO, Halal, EU/USDA Organic, Kosher, FAMI-qs, and FSSC, we ensure traceability, sustainability, and uncompromising quality. We also offer full-service OEM/contract manufacturing – from custom formulations to tablets, capsules, gummies, and private-label finished products.
Depending on high-class local plant resources, Rainbow engaging in R&D, production of natural herb products and plant extracts has been working on supplying high-quality natural products for food, health care products, cosmetics, natural pigment, animal nutrition and other industries over the years.
Here at Rainbow® biotech, we are providing premium quality products and maintaining high levels of service to our customers. no matter the standards extraction or an OEM mixed proportional, you can find proper solutions here.
Our products are under highly controlled extraction processes and recognized certifications. The strict quality control practices and a highly experienced team constantly guarantee quality for the final product at every step of the production.
With over a decade of experience in the fields of Echinacea purpurea and other botanical extraction, Rainbow®’s highly experienced team is responsible for customers by guaranteeing quality from the research and development of the product.
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