The latest science research revealed that phenylethanoid glycosides in cistance tubulosa has obvious restraining function for rate-limiting enzyme that compound melanin.So it has fine whiting efficacy... The main active active ingredients in phenylethanoid glycosides are echinacoside and acteoside. The main efficacy is strengthing kidney, improving memory, anti-ultraviolet, whiting, improving immunity,etc… At the present, it is one of the biggest companies to produce the extract of Cistanche tubulosa. It has 100 tons production line of the extract of Cistanche tubulosa. Our cistanche tubulosa extract uses UF membrane separation, membrane purified condensation technology which have independent Intellectual Property Rights and the whole processstrictly accordance with GMP (100 thousand level purification workshop) to make the quality of our product achieve international standards.
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