HomeMust Know(Coffee)Temperature and environment of roasting beans
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The secret of tasty Sunvirtue coffee

Coffee roaster, like the artist and also like the scientist

The fine skill of coffee roaster is the key to disclose the aroma within each coffee bean. The coffee master could fine the best timing and temperature to roast their coffee beans. They know that during the roasting the carbohydrates of coffee bean must be balance with heat and timing, such skills could magically produced high quality, better aroma, and tasty cup of coffee.
Ming-Te Huang is a coffee specialist; he holds the license of SCAA taster and evaluator of coffee association, and he is coffee consultant of SUNVIRTUE. Twenty years of devotion and passion to coffee industries, Mr. Huang is still striving to find better quality of coffee beans and the best way of roasting coffee. Coffee tree are easy to grow and harvest; simply given them the right temperature and enough of water, then they can be flourish, and fruity. Apollo is a ranch of ROYAL BASE, and it is a best place to grow coffee tree. Apollo’s farmers are putting their devotion into coffee tree from the very beginning of breeding, fertilizing, nursery, picking out big red coffee berries from trees and finally processed coffee beans. Every step is carefully monitored; we making sure Apollo’s coffee had best quality. Mild roast of coffee beans could hold the richness and uniqueness of taste of APOLLO SPECIALIST and KOPI LUWAK. Every sip from cup is full of aroma and wonderful taste, they are so irresistible. And we are proudly present "SUNVIRTUE" the best coffee bean producer in the world.

 

Temperature and environment
of roasting beans

Temperature of bean>100℃
Color of green bean change from light yellow to green; bean become dehydrated, and have smell of roasted toast.

Temperature of bean >120~130℃
Color of green bean change from green to brown.

Temperature of bean proximally 150℃
Coffee bean has smell like burning hey.

Temperature of bean proximally 180℃
The ignition-caused smoke releases amount of carbon monoxide and carbon dioxide. The coffee beans’ color will turn grown and become bigger.

Temperature between 180℃~ 270℃
Coffee beans turned to darker color while temperature were rise. The heat triggering the coffee beans to release it’s aroma from within, and the coffee bean expend it’s size.

Temperature of bean proximally 270℃
The steamy smoke from the coffee bean decreasing, the color of coffee bean turned to dark and dull, and the size of the beans stop expending.

Temperature of bean proximally 300℃
The coffee bean turned to black,fragile,no aroma, and carbonize.

Practical range of roasting
temperature of coffee bean

When range of roasting temperature of coffee bean between 210~230℃ it is acceptable for most of coffee drinker.
Range of roasting temperature of coffee bean above 230℃,
it's over roasting.