Oroxylin A (CAS: 480-11-5) – Product Overview & Technical Information Botanical Origin: Oroxylum indicum (L.) Vent.Type of Compound: Flavonoid 1. What is Oroxylin A? Oroxylin A is a naturally occurring flavonoid mainly isolated from Oroxylum indicum and Scutellaria baicalensis. It is wide...

Fresh Batch of Celastrol 98% (CAS: 34157-83-0) Released — Ready for Global Shipment! November 6, 2025 Fresh Batch of Celastrol 98% Now Available November 6, 2025 Dear Valued Customers and Partners, We are delighted to announce that a new batch of Celastrol 98% (CAS: 34157-83-0) has been freshl...

Fresh Batch of Naringenin 98% Now AvailableOctober 14, 2025 Dear Valued Customers and Partners, We are pleased to announce that a new batch of Naringenin 98% (CAS: 480-41-1) has been freshly produced and is now available in stock at Nanjing Spring & Autumn Biological Engineering Co., Ltd. Our Na...

Dear Valued Customers and Partners, Thank you for your continuous trust and support to Nanjing Spring & Autumn Biological Engineering Co., Ltd. Please be informed that our company will be closed for the upcoming National Day and Mid-Autumn Festival Holiday from October 1st (Wednesday) to October...

Broccoli (Brassica oleracea var. italica L.), a representative cold-season crop of the Brassicaceae family, has gradually become a research focus in functional foods and agricultural economics due to its rich bioactive compounds and sustainable potential. This article introduces the phytochemical co...

FOR IMMEDIATE RELEASENanjing Spring & Autumn Biological Engineering Co., Ltd. ?? High-Purity Epicatechin: Power Your Formulations with Elite BioactivityWe proudly launch our new batch of Epicatechin ≥98% (CAS: 490-46-0), a clinically revered flavonoid extracted from Camellia si...

At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we specialize in unlocking the power of nature through advanced extraction technologies. Our recent production of high-purity Xanthohumol, a remarkable bioactive compound derived from hops (Humulus lupulus), exemplifies our commi...

FOR IMMEDIATE RELEASENanjing Spring & Autumn Biological Engineering Co., Ltd. ?? High-Purity Tangeretin 98%: Unlock Advanced Bioactive Benefits We proudly announce the global release of our new batch of Tangeretin 98% (CAS: 481-53-8), a potent citrus flavonoid extracted from Citrus re...

FOR IMMEDIATE RELEASENanjing Spring & Autumn Biological Engineering Co., Ltd.  07/07/2025   ?? Premium Nobiletin 98%: Purity Meets Power We are thrilled to announce the successful outbound shipment of our latest batch of Nobiletin 98% (CAS: 478-01-3), a high-purity citr...

Nanjing, China  – Nanjing Spring & Autumn Biological Engineering Co., Ltd. is honored to announce its official recognition as a Science and Technology Small and Medium-sized Enterprise (SME) by Jiangsu Provincial authorities. This prestigious designation validates our innovative...

Nanjing, China  – Nanjing Spring & Autumn Biological Engineering Co., Ltd. proudly announces the successful attainment of Environmental Impact Assessment (EIA) certification, a critical milestone underscoring our dedication to sustainable operations and ecological responsibility. Thi...

Nanjing, China – Nanjing Spring & Autumn Biological Engineering Co., Ltd. is proud to announce the successful attainment of the ISO 9001:2015 Quality Management System certification. This milestone underscores our unwavering commitment to excellence, operational efficiency, and custo...