Castel Frères, now known as the Castel Group, is a large, family-owned French beverage company founded in 1949 by Pierre Castel and his siblings.It is a major wine producer and trader, owning numerous wineries and vineyards in Bordeaux, the Loire, and other French regions, as well as international properties.Beyond wine, Castel also produces beer and soft drinks and operates the Nicolas wine retail chain.

Languedoc-Roussillon, stretching along France’s Mediterranean coast, is one of the country’s largest and most diverse wine regions. Known for its sunshine-rich climate, with hot, dry summers and mild winters, the area is ideal for grape growing. The region benefits from varied soils—limestone, clay, schist, and gravel—contributing complexity and character to its wines.

Traditionally a volume-focused region, Languedoc-Roussillon has undergone a quality revolution in recent decades. Today, it produces expressive, terroir-driven wines across a wide spectrum of styles. Red blends dominate, featuring Grenache, Syrah, Mourvèdre, and Carignan. These wines are typically full-bodied with ripe black fruit, spice, garrigue (wild herb) notes, and earthy undertones. Whites, made from grapes like Picpoul, Grenache Blanc, and Marsanne, offer fresh acidity and citrus, stone fruit, or floral flavours.

The region is also known for crisp Picpoul de Pinet, aromatic Muscat, and traditional method sparkling wines from Limoux—the latter believed to predate Champagne. Roussillon, with its Catalan influence, excels in fortified sweet wines (vins doux naturels) like Banyuls and Maury, rich with dried fruit, chocolate, and nutty flavours.

Sauvignon Blanc is a highly aromatic white grape variety that originated in the Loire Valley of France, where it still thrives in appellations like Sancerre and Pouilly-Fumé. Its name is derived from the French words sauvage (wild) and blanc (white), reflecting its vigorous growth and bright, zesty character.

Viticulturally, Sauvignon Blanc is an early-ripening variety that prefers cooler climates, where it retains its hallmark acidity and intense aromatics. It is sensitive to terroir, with soil and climate having a strong influence on flavour expression. The grape is prone to high yields and requires careful canopy management to preserve fruit quality and aromatic intensity.

Today, Sauvignon Blanc is grown globally, with significant plantings in France, New Zealand, Chile, South Africa, the United States (notably California), and Australia. New Zealand’s Marlborough region has become especially renowned for producing vibrant, intensely aromatic examples.

Sauvignon Blanc is known for its crisp acidity and lively flavours, typically showcasing notes of gooseberry, green apple, lime, passion fruit, and fresh herbs. In cooler regions, it leans towards grassy and citrusy, while warmer climates bring out tropical fruit. Styles range from unoaked and fresh to barrel-aged and textural, and it’s also used in sweet wines, such as Sauternes when blended with Sémillon.