Complex sentence: He soon noticed that there was a gap in the market for high quality herbal ingredients, this, combined with his interest in the increasingly growing organic movement sparked his decision to establish a business to supply herbs and spices to the retail sector.
Split into simpler sentences: He soon noticed that there was a gap in the market for high quality herbal ingredients. This, combined with his interest in the growing organic movement sparked his decision to establish a business to supply herbs and spices to the retail sector.