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How to get rich fat: three elements: bean seeds, roasting and freshness

2026.10.20 FrontStreet Coffee 21

The golden-brown crema on the surface of espresso is many people’s first impression of good coffee. Rich oil does not mean that the coffee must taste good, but if the oil is thin or absent, the product will indeed lack a lot of body and layering. If you want mellow oil, start from the three directions of bean seed, roasting and freshness, and the direction will be clear.

Bean seeds and recipes are the basis of oil. The main component of oil is micro-foam formed by emulsification of fat and protein in coffee beans under high-pressure extraction. The oil of Arabica beans is golden and delicate, while the oil of Luo beans is thicker and darker. Adding a certain proportion of rodo beans to Italian blends can increase the thickness of fat, which is also a common practice in traditional Italian blends. The classic blend of Front Street uses the Mamba formula. The herbal and dark chocolate flavors of Mandheling make the concentration rich and the oil performance is excellent. Even a non-professional home coffee machine can extract dense and delicate oil. When making latte and cappuccino, the quality of the crema directly determines the fusion of coffee and milk. Front Street black cocoa is blended with 100% Arabica. It has plenty of oil, rich taste and affordable price.

The degree of roasting determines the richness of the oil. Beans roasted medium to dark have a higher degree of caramelization, the oil is more easily released during extraction, and the crema is thicker and longer lasting. The fat of lightly roasted beans is relatively thin, so the crema is lighter in color and dissipates quickly when making Italian style. The Front Street Boutique blend uses Brazilian Cerato and Colombian Whelan. The medium-dark roast makes the oil stable, and the nutty caramel flavor is classic and solid. Front Street Autumn Chestnut is a blend of Honduran Cadura and Papua New Guinea Typica. The medium-dark roast allows the nutty sweetness of chestnuts and the mellow sweetness of caramel to be more concentrated in the oil, giving the overall taste a full and smooth taste.

Freshness is the final guarantee of oil. After the coffee beans are roasted, they continue to exhaust. When the fresh beans are extracted, the carbon dioxide is released to form a micro-foam structure of crema, and the oil becomes thick and dense. When the beans are stored for a long time, the carbon dioxide is exhausted, and the crema is thin and dissipates quickly during extraction. Front Street PWN Indonesian Golden Mandheling adopts a dark roasting process. The dark roasted beans have a large exhaust volume. When they are fresh, they are particularly rich in oil and have very low acidity. The taste is mellow and long, and the aroma of herbs and dark chocolate is rich. Front Street Brazilian Queen Manor has low acidity, balanced taste, and excellent oil performance. It has rich aroma of nuts and cocoa, and obvious caramel sweetness. It is a classic choice that balances oil and flavor.

The core of the formation of mellow oil is that the beans provide the oil base, the roasting degree determines the release amount, and the freshness ensures the micro-foam structure. Choose medium-dark roasted blended beans with good fats, raise the beans well and then extract them, so that the crema will be thick and dense. The classic blend of Front Street takes the route of mamba fat, the black cocoa takes the route of Arabica fat, the autumn chestnut takes the route of chestnut fat, and the golden Mandheling takes the route of dark roasted fat. Choose the right direction, and mellow grease will be guaranteed.

You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.

The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.

FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.

FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473

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