most prominent in this space are plant-based proteins, driven by the massive success of predominantly two companies, beyond meat and impossible foods. however, plant- based proteins are nothing new, as tofu and tempeh (both soy-based) have been asian diet staples for over two millennia. what makes this new wave of alternative proteins different is that they are being made to taste like meat, are being marketed to meat eaters (as opposed to vegans), and aim to replace a percentage of real meat purchases. beyond meat and impossible foods use unique recipes for their alternative proteins. while the majority of their ingredients are similar (binding agents, preservatives, etc.), the key differentiator is the protein source - beyond uses pea protein and impossible uses soy protein. this “meatless meat” movement (also known as meat 2.0) is fast gaining traction and niche start-ups are not the only ones joining the cause, with well-established fmcg (fast-moving consumer goods) companies such as nestlé, tyson foods, smithfield, perdue and hormel all introducing meat alternatives. the logic is simple: until beyond and impossible came around, plant-based protein was just for vegetarians, who represented just 3% of the us population. now, alternative meat has seemingly gone mainstream, opening up a growing market that is largely driven by more environmentally conscious consumers. although it is still early days, investment firm ubs projects growth of plant-based protein and meat alternatives to increase from us$4.6 billion in 2018 to us$85 billion in 2030. a palatable alternative? while plant-based protein options are currently getting all of the attention, insect protein is gradually increasing in prominence and is being recognised for its many advantages over traditional proteins. insects tend to be 60% protein, contain vitamin b12 and possess more calcium than milk. they also contain more iron than spinach and offer all the essential amino acids a human body requires. not only are they more nutritious, but farming insects has many advantages over animal protein: higher feed conversion efficiency, fewer greenhouse gases, significantly less water and land are required, and they pose a low risk of transmitting bacteria and viruses (think bird flu, swine flu and mad cow disease). in light of this, netherlands-based protix recently opened the world’s largest insect farm. another company, french start-up ynsect is looking to trump protix by becoming the world’s largest insect producer, targeting 20 000 kg of protein a year, equivalent to 80 000 kg of beef. a new frontier being explored is “clean meat”, also known as in vitro animals or, more commonly, lab- grown meat. as the label suggests, this meat is grown from stem cells extracted from donor livestock and then cultured in a lab. the prospect of cell-based meat has won over many environmentalists owing to its minimal impact on natural resources. however, the process is quite expensive, with 450 grams of beef costing us$2 400 in 2018. looking ahead, improvements in technology coupled with efficiency gains are expected to drive costs lower. some investors are already convinced, with leading start- ups, future meat technologies and finless foods raising funds to take cell-made steak and fish mainstream. print your steak and eat it another innovation less associated with alternative proteins and more focused on the optimisation of food inputs and customisation is 3d printed food. in its simplest form, 3d printing is a manufacturing process where an object (in this case food) is built up layer by layer from a 3d computer design. while originally envisaged for manufacturing, the netherlands organisation for applied scientific research (tno) recently investigated printing technologies applicable to food production. the organisation found great potential for the layering of complete, multi-material food products from a collection of base ingredients. even more exciting is the work being done by israeli start- up redefine meat limited, which is looking to create a 3d printer that can produce a meatless steak that is so fatty and “meaty” that it is indistinguishable from real steak. the allure 3d printing holds above alternatives such as beyond meat and cell-based meat cultivation lies in the process of layering, where factors such as texture and flavour can be controlled and concentrated more specifically around certain parts of the food, somewhat like the layers of muscle and fat in a real steak. harnessing the power of science a more contentious innovation is the bio-fortification of crops, which is the process of enhancing the nutrient density of food crops through conventional plant breeding, improved farming methods and/ or genetically modifying plants. the latter technique attracts much attention as general public sentiment towards genetically modified organisms (gmos) is quite poor. the presence of multinational chemicals and agricultural companies that are involved in gmo production, such as syngenta, bayer, dowdupont and basf, has done little to alleviate concern. regardless of technique, bio-fortification has been successful at addressing mineral malnutrition and food 21