Hyssopus officinalis - that is the scientific name for what is increasingly being referred to as magical herb - Jufa. Incidentally this herb that is native to south of Europe and Middle East, and interestingly has a lot of relevance in Ayurveda.
Jufa Herb bitter in its original form, and is known for its pungency and heat generating quality. As per the Ayurvedic principles, it is used for its therapeutic properties. In recent times it is also being referred to for its curative properties for people who are exposed to toxic air. In India, and all over the world where there are cities with high pollution levels, Jufa is known to be helpful in addressing congested nose, sore throat and cough.
Herbal Pharma company AIMIL Pharmaceuticals launched its JufexForte syrup made using Jufa Herb that can be had with lukewarm water for best results.
In Ayurveda there are more herbs with such properties. Tulsi is one that is also used in Indian households as home remedy. Then there are cloves, cinnamon, Peepli, Gojiya, Baheda,Dried Fig and Unab - some to clean respiratory tract, others to clear mucus, and some more that cure minor irritations. While some of them can be used as home remedies, and many also used in Over The Counter Ayurvedic medicines, prolonged illnesses have to be referred to a doctor for relevant medication.
It can also be used in tea for its calming properties and also to help in breath related ailments and even common cold. There are companies selling Jufa tea flowers online.