SS-188 : Add chemicals in Black Seed

[ANUGAMAGE]

Black seed, also known as Nigella sativa, has been used for centuries for various medical reasons. It's well-known in Islam and Christianity because it's mentioned in their religious books. This plant has been used to treat many illnesses like asthma, fever, and inflammation.

@sakeermr Follow below article and make a chemical list to expand our knowledge graph

Reference:
Ahmad MF, Ahmad FA, Ashraf SA, Saad HH, Wahab S, Khan MI, Ali M, Mohan S, Hakeem KR, Athar MT. An updated knowledge of Black seed (Nigella sativa Linn.): Review of phytochemical constituents and pharmacological properties. J Herb Med. 2021 Feb;25:100404. doi: 10.1016/j.hermed.2020.100404. Epub 2020 Sep 19. PMID: 32983848; PMCID: PMC7501064.