根据第四段中的“This is because tea polyphenols and caffeine help bees remember smells.(这是因为茶多酚和咖啡因有助于蜜蜂记住气味。)”可知,this指的是前文提到的茶多酚和咖啡因有助于蜜蜂记忆,故选D。 反馈 收藏
People who are pregnant, breastfeeding, and have certain medical conditions may need to limit their caffeine, even if they do not have any of the symptoms above. It is always a good idea to talk to your healthcare provider to determine whether and how much caffeine is safe for you. These...
Caffeine sources and consumption Caffeine is produced by a variety of beans, leaves, and fruit where its bitterness acts as a deterrent to pests. Caffeine is found in coffee, black tea, and chocolate, as it is produced naturally in the beans and leaves of the plants used to manufacture thes...
Coffea canephora(Robusta).This coffee is grown in Africa, Southeast Asia, and Brazil. Its beans are round and small. Robusta coffee is stronger than Arabica, containing 50% to 60%more caffeinethan Arabica. It’s mainly used in blends and instant coffees. It accounts for 30% of the world...
What plants have caffeine? Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Question Tutors available By submitting, I am agreeing to theTerms of UseandHonor Code.Already a member?Log in here...
Some describe the taste as ‘umami,’ which tastes similar to seaweed. The plants are shade-grown which contributes to the umami essence and increases the chlorophyll, caffeine and L-theanine. The sweetness of matcha is subtle, yet it lingers in the undertones of the bolder earthy flavors crea...
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Does Rainforest Alliance Coffee Taste Better? Since the coffee beans come from plants grown in healthy soil, this coffee generally tastes fresher than coffee from other plants. You just need to try a cup of Rainforest Alliance Coffee to be able to tell the difference in taste and richness. ...
At Clipper, our fresh and varied range of infusions are all organic and most are caffeine free (we label those that aren’t). Are you ready to give one a go?Herbal & Spiced Infusions Herbs and spices have been used for centuries for their health and wellbeing properties. At Clipper, ou...
The lady who worked there told me that fennel tea is known for relieving painful gas and indigestion. She also told me that it was caffeine free, which was good news to me. I try to avoid caffeine, because it makes me very jittery. ...