3d image of piperine skeletal formula

piperine black pepper oil isomer chavicine alkaloid bioperine piperoylpiperidine pungency pepper long traditional medicine ion channels nociceptors trpv1 trpa1 nerve cells dietary supplement biological activity bioactive nutrient prescription drug food additive nutraceutica dietary antioxidant anti-cancer anti-aging healthy aging alternative chinese herbal essential oils herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia molecule molecular formula skeletal structural structure 3d