Even More Reasons To Enjoy Coffee!

Is this the most healthful drink available? Well, the scope of that question is broad, but coffee sure is a strong contender:

Molecular power

Coffee’s health benefits come from its wide array of chemical properties, most of which are beneficial, and those which aren’t solely beneficial (like caffeine and diterpenes) have their pros and cons.

We have written before about the health benefits (and risks) of coffee; for most people, the benefits far outweigh the risks, but individual cases may vary:

The Bitter Truth About Coffee (or is it?) ← this is a mythbusting edition

There are also gut health benefits from drinking coffee, and what’s good for our gut is invariably good for our heart and brain:

Coffee & Your Gut ← gut bacteria do not, by the way, have a preference about how you make your coffee or whether it is caffeinated or not

But that’s quite general and mostly large-scale stuff.

Researchers (Dr. Yifei Zhang et al.) have outlined what moves coffee from the category of merely a beverage, into being (in her words) a “targetted nutritional interventional agent”.

The premise that Dr. Zhang and her team posit, is that coffee acts as a coordinated multi-compound system rather than a single-molecule intervention, with (take a deep breath) alkaloids, polyphenols, diterpenes, and Maillard-reaction products interacting across antioxidant, anti-inflammatory, metabolic, and neuroprotective pathways.

That’s a lot!

Before we get into each of them, it’s worth noting that roasting alters the chemical profile by reducing carbohydrates and nitrogenous compounds, increasing lipids, and generating melanoidins that may make up one-quarter of the roasted bean mass. So for now, just bear that in mind, and we’ll touch on it sometimes later when relevant.

In each case, we’ll take the benefits (and in some cases drawbacks) directly from the paper, and then present some links to easier reading on each:

• Alkaloids: caffeine and trigonelline influence neural, metabolic, and inflammatory pathways, with caffeine antagonizing adenosine A1/A2A receptors, inhibiting PDE4/5, stimulating the CNS, and showing protective associations against Parkinson’s disease; trigonelline shows potential benefits for Alzheimer’s disease, Parkinson’s disease, and depression.
  • In other words, it’s a safe stimulant and neuroprotectant. For that about the safety of caffeine as a stimulant, that is not an absolute, but it does hold true in most cases. See for example: Caffeine: Cognitive Enhancer Or Brain-Wrecker?
  • See also: Green Coffee Bean Extract: Coffee Benefits Without The Coffee? ← where we discuss this in more detail, and offer a caffeine-free option (indeed, a coffee free option, in the sense of coffee as a drink).
• Polyphenols: chlorogenic acids provide antioxidant and metabolic regulation, activating Nrf2, lowering oxidative stress, and moderating postprandial glycemia, though roasting—especially dark roasting—reduces CGA content.
  • See also: Enjoy Bitter Foods For Your Heart & Brain
  • For a more comprehensive treatment, you might like to consider: 21 Most Beneficial Polyphenols & What Foods Have Them ← coffee has many!
  • That about “moderating postprandial glycemia” means it lowers blood sugar levels after eating, largely because of Another Benefit To Coffee: Insulin Sensitivity!
• Diterpenes: cafestol and kahweol show mixed effects, including LDL-raising activity that depends on brewing method (filters remove diterpenes), alongside hepatoprotective, anti-inflammatory, and potential anticancer roles.
  • “Hepatoprotective” means it protects your liver
  • We wrote a little more about diterpenes here, focusing on the heart-negative effects, e.g. that LDL-raising activity: Make Your Coffee Heart-Healthier!
  • Here, too: Machine-Dispensed Coffee & Heart Health
• Maillard products: melanoidins offer antioxidant and metal-chelating effects, while roasting also forms acrylamide, a Group 2A carcinogen found at higher levels in dark roasts, though typical coffee intake remains below regulatory concern.
  • You can read more about acrylamide, here: Are You Eating AGEs? ← advanced glycation end-products (AGEs) are far worse than acrylamide, but we discuss both here, and the chemical route to them is the same

You can read the paper in full, here: Transforming coffee from an empirical beverage to a targeted nutritional intervention: health effects of coffee’s core functional components on chronic diseases

And more!

There are other benefits whose molecular mechanisms are not yet fully understood, for example:

Coffee vs Frailty

Enjoy!